{"id":2860,"date":"2021-07-22T15:27:56","date_gmt":"2021-07-22T07:27:56","guid":{"rendered":"https:\/\/uetpcb.com\/?p=2860"},"modified":"2022-01-26T09:20:07","modified_gmt":"2022-01-26T01:20:07","slug":"how-to-solder-circuit-boards-yourself","status":"publish","type":"post","link":"https:\/\/uetpcb.com\/es\/how-to-solder-circuit-boards-yourself\/","title":{"rendered":"C\u00f3mo soldar placas de circuito impreso usted mismo"},"content":{"rendered":"<p>This article focuses on pcb soldering for beginners and explains how to solder various components using several different techniques. Although pcb soldering may seem daunting at first, once you give it a try, you will find that it is easy to do in most applications.<\/p>\n<div class=\"container section-title-container\" ><h2 class=\"section-title section-title-normal\"><b aria-hidden=\"true\"><\/b><span class=\"section-title-main\" >How to solder circuit boards<\/span><b aria-hidden=\"true\"><\/b><\/h2><\/div>\n<div class=\"row align-middle\"  id=\"row-923275011\">\n\n\t<div id=\"col-1523285763\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1959459849\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner image-cover dark\" style=\"padding-top:100%;\">\n\t\t\t<img decoding=\"async\" width=\"970\" height=\"674\" src=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2021\/07\/35ee5a6c-bbbf-4e3d-90d0-3ffb003fa53d.png\" class=\"attachment-original size-original\" alt=\"pcb\" srcset=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2021\/07\/35ee5a6c-bbbf-4e3d-90d0-3ffb003fa53d.png 970w, https:\/\/uetpcb.com\/wp-content\/uploads\/2021\/07\/35ee5a6c-bbbf-4e3d-90d0-3ffb003fa53d-300x208.png 300w, https:\/\/uetpcb.com\/wp-content\/uploads\/2021\/07\/35ee5a6c-bbbf-4e3d-90d0-3ffb003fa53d-768x534.png 768w\" sizes=\"(max-width: 970px) 100vw, 970px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1959459849 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-5040032\" class=\"col medium-8 small-12 large-8\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h3>Manual solderingtools<\/h3>\n<p>Electric iron, ferrochrome frame<br \/>A soldering iron is a handheld tool plugs into a standard 120V AC outlet and heats up with melted solder around an electrical connection. For beginners, it is recommended that you use a pen soldering iron in the 15W to 30W range. Most soldering irons have interchangeable tips that can use for different soldering applications. Be very careful when using any soldering iron, as it can heat up to 896&#8242; F, which is very hot.<\/p>\n<p>A soldering iron holder is very practical and convenient. The holder helps prevent the hot soldering iron tip from coming in contact with flammable materials or causing accidental injury to your hands.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row align-middle\"  id=\"row-639082547\">\n\n\t<div id=\"col-1749106114\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_916072095\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner image-cover dark\" style=\"padding-top:56.25%;\">\n\t\t\t<img decoding=\"async\" width=\"694\" height=\"461\" src=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2021\/07\/9bfcfca6-f6c1-4452-9a87-0ae524df1114.png\" class=\"attachment-large size-large\" alt=\"identificaci\u00f3n de los componentes del circuito impreso\" srcset=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2021\/07\/9bfcfca6-f6c1-4452-9a87-0ae524df1114.png 694w, https:\/\/uetpcb.com\/wp-content\/uploads\/2021\/07\/9bfcfca6-f6c1-4452-9a87-0ae524df1114-300x199.png 300w\" sizes=\"(max-width: 694px) 100vw, 694px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_916072095 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-351119112\" class=\"col medium-8 small-12 large-8\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h3>Conditions of soldering<\/h3>\n<p>Components must be weldable<br \/>The soldering pads of the component shall be kept clean<br \/>Appropriate using the flux<br \/>Appropriate soldering temperature<br \/>Suitable soldering time<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row align-middle\"  id=\"row-825563342\">\n\n\t<div id=\"col-1453508231\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1706503790\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner image-cover dark\" style=\"padding-top:56.25%;\">\n\t\t\t<img decoding=\"async\" width=\"659\" height=\"720\" src=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2021\/06\/pcb-short-circuit.jpg\" class=\"attachment-large size-large\" alt=\"cortocircuito pcb\" srcset=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2021\/06\/pcb-short-circuit.jpg 659w, https:\/\/uetpcb.com\/wp-content\/uploads\/2021\/06\/pcb-short-circuit-275x300.jpg 275w\" sizes=\"(max-width: 659px) 100vw, 659px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1706503790 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1091989270\" class=\"col medium-8 small-12 large-8\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h3>The solder<\/h3>\n<p>Tubular solder wire<br \/>Antioxidant solder<br \/>Silver solder<br \/>Solder paste<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row align-middle\"  id=\"row-635914447\">\n\n\t<div id=\"col-1693985893\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_450772730\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner image-cover dark\" style=\"padding-top:100%;\">\n\t\t\t<img decoding=\"async\" width=\"817\" height=\"527\" src=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2021\/07\/a5423cc1-2608-4eb4-95a4-81af67ec0658.png\" class=\"attachment-large size-large\" alt=\"pcb\" srcset=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2021\/07\/a5423cc1-2608-4eb4-95a4-81af67ec0658.png 817w, https:\/\/uetpcb.com\/wp-content\/uploads\/2021\/07\/a5423cc1-2608-4eb4-95a4-81af67ec0658-300x194.png 300w, https:\/\/uetpcb.com\/wp-content\/uploads\/2021\/07\/a5423cc1-2608-4eb4-95a4-81af67ec0658-768x495.png 768w\" sizes=\"(max-width: 817px) 100vw, 817px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_450772730 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1391376047\" class=\"col medium-8 small-12 large-8\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h3>Selection of flux<\/h3>\n<p>Flux can improve the soldering performance, common fluxes are:<br \/><strong>Solder paste\/oil:<\/strong> Solder circuit boards is corrosive and can not be used to sold electronic components and printed circuit boards. After soldering, the residual solder paste\/oil should be cleaned up.<br \/><strong>Rosin:<\/strong>Rosin should be used as a flux when the pins of the components are tin-plated.<br \/><strong>Rosin solution:<\/strong> If the printed circuit board has been coated with rosin solution already, then there is no need to use flux when soldering.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row align-middle\"  id=\"row-1535899382\">\n\n\t<div id=\"col-1245260646\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_903039283\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner image-cover dark\" style=\"padding-top:100%;\">\n\t\t\t<img decoding=\"async\" width=\"1020\" height=\"558\" src=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2020\/11\/281355345760-1-1030x563.jpg\" class=\"attachment-large size-large\" alt=\"Placa de circuito impreso\" srcset=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2020\/11\/281355345760-1-1030x563.jpg 1030w, https:\/\/uetpcb.com\/wp-content\/uploads\/2020\/11\/281355345760-1-300x164.jpg 300w, https:\/\/uetpcb.com\/wp-content\/uploads\/2020\/11\/281355345760-1-768x420.jpg 768w, https:\/\/uetpcb.com\/wp-content\/uploads\/2020\/11\/281355345760-1.jpg 1045w\" sizes=\"(max-width: 1020px) 100vw, 1020px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_903039283 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-281288913\" class=\"col medium-8 small-12 large-8\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h3>Soldering steps<\/h3>\n<p><strong>Prepare for soldering:<\/strong> In the process of solder circuit boards,the left hand holding the solder wire, the right hand holding the iron, the iron head is required to keep clean, and the surface coated with solder.<br \/><strong>Heating:<\/strong> Heating the whole soldering part is heated, sustain about 1 ~ 2 seconds.<br \/><strong>Feed the soldering wire:<\/strong> When solder circuit boards, the soldering points of the component are heated to a certain temperature, then can feed the solder wire to contact the solder pads.<br \/><strong>Remove the soldering wire:<\/strong> When solder circuit boards, the wire is melted for a certain amount, immediately remove the wire in the direction of 45\u00b0 to the left.<br \/><strong>Remove the soldering iron:<\/strong> After the solder is melted in solder pads and the soldering parts, move the soldering iron to the upper right 45\u00b0 to end the soldering.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"container section-title-container\" ><h2 class=\"section-title section-title-normal\"><b aria-hidden=\"true\"><\/b><span class=\"section-title-main\" >Notes for circuit board soldering<\/span><b aria-hidden=\"true\"><\/b><\/h2><\/div>\n<ol>\n<li class=\"okr-block-clipboard\" data-okr=\"%7B%22okrDelta%22%3A%5B%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%221.%20PCB%20shall%20first%20check%20its%20appearance%20to%20see%20whether%20there%20is%20any%20short%20circuit%20or%20open%20circuit%2C%20and%20then%20compare%20the%20schematic%20with%20the%20silkscreen%20layer%20of%20PCB%20to%20avoid%20any%20discrepancy%20between%20the%20schematic%20and%20PCB.2.%20The%20components%20are%20classified%20according%20to%20their%20size%20for%20the%20convenience%20of%20subsequent%20soldering.3.%20Before%20soldering%2C%20wear%20an%20anti-static%20ring%20and%20other%20anti-static%20measures%20to%20avoid%20electrostatic%20damage%20to%20components.4%2C%20The%20chips%20before%20soldering%20to%20ensure%20that%20the%20orientation%20of%20the%20chip%20is%20placed%20correctly.6.%20Distinguish%20positive%20and%20negative%20electrodes%20for%20LEDs%2C%20tantalum%20capacitors%2C%20and%20electrolytic%20capacitors.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%227%2C%20For%20crystal%20oscillator%2C%20passive%20crystal%20has%20no%20positive%20and%20negative%20requests%2C%20and%20generally%20only%20two%20leads%2C%20active%20crystal%20generally%20has%20four%20leads%2C%20should%20distinguish%20the%20positive%20and%20negative%20when%20soldering.8.%20For%20plug-in%20components%2C%20the%20pins%20of%20the%20components%20can%20be%20trimmed%20before%20soldering.9.%20If%20any%20component%20packaging%20error%2C%20installation%20problem%2C%20incorrect%20pad%20design%2C%20and%20other%20problems%20are%20found%20in%20the%20soldering%20process%2C%20record%20them%20in%20time%20for%20subsequent%20improvement.10%2C%20After%20soldering%20should%20use%20a%20magnifying%20glass%20to%20check%20the%20solder%20joints%2C%20check%20whether%20there%20is%20a%20poor%20soldering%20or%20short%20circuit.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2211.%20After%20the%20completion%20of%20the%20circuit%20board%20soldering%2C%20the%20surface%20of%20the%20circuit%20board%20should%20be%20cleaned.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2212.%20To%20keep%20the%20iron%20head%20clean%2C%20the%20iron%20head%20is%20in%20a%20high-temperature%20state%20for%20a%20long%20time%20when%20soldering.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2213.%20The%20tin-plated%20parts%20of%20the%20components%20shall%20be%20heated%20evenly%20during%20soldering%20to%20avoid%20damage%20or%20hidden%20dangers%20that%20are%20not%20easily%20detected.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2214.%20Do%20not%20move%20the%20components%20when%20soldering.%20It%20is%20necessary%20to%20remove%20the%20tweezers%20after%20the%20solder%20is%20solidified%2C%20otherwise%2C%20it%20is%20easy%20to%20cause%20poor%20soldering.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2215.%20The%20evacuation%20of%20the%20iron%20should%20be%20timely%2C%20and%20the%20angle%20and%20direction%20of%20the%20evacuation%20are%20related%20to%20the%20formation%20of%20the%20solder%20joint.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2216.%20The%20correct%20amount%20of%20solder.%20Generally%2C%20the%20diameter%20of%20the%20solder%20wire%20should%20be%20slightly%20less%20than%20the%20diameter%20of%20the%20solder%20pad.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2217.%20The%20correct%20amount%20of%20flux%20should.%20Excessive%20use%20of%20rosin%20flux%2C%20after%20soldering%2C%20is%20bound%20to%20need%20to%20erase%20the%20excess%20flux%2C%20and%20prolong%20the%20heating%20time%2C%20reduce%20the%20soldering%20efficiency.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%5D%7D%5D%2C%22businessKey%22%3A%22lark-doc%22%7D\"><span style=\"font-size: 14.4px;\">When solder circuit boards, the <\/span>PCB shall first check its appearance to see whether there is any short circuit or open circuit, and then compare the schematic with the silkscreen layer of PCB to avoid any discrepancy between the schematic and PCB.<\/li>\n<li class=\"okr-block-clipboard\" data-okr=\"%7B%22okrDelta%22%3A%5B%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%221.%20PCB%20shall%20first%20check%20its%20appearance%20to%20see%20whether%20there%20is%20any%20short%20circuit%20or%20open%20circuit%2C%20and%20then%20compare%20the%20schematic%20with%20the%20silkscreen%20layer%20of%20PCB%20to%20avoid%20any%20discrepancy%20between%20the%20schematic%20and%20PCB.2.%20The%20components%20are%20classified%20according%20to%20their%20size%20for%20the%20convenience%20of%20subsequent%20soldering.3.%20Before%20soldering%2C%20wear%20an%20anti-static%20ring%20and%20other%20anti-static%20measures%20to%20avoid%20electrostatic%20damage%20to%20components.4%2C%20The%20chips%20before%20soldering%20to%20ensure%20that%20the%20orientation%20of%20the%20chip%20is%20placed%20correctly.6.%20Distinguish%20positive%20and%20negative%20electrodes%20for%20LEDs%2C%20tantalum%20capacitors%2C%20and%20electrolytic%20capacitors.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%227%2C%20For%20crystal%20oscillator%2C%20passive%20crystal%20has%20no%20positive%20and%20negative%20requests%2C%20and%20generally%20only%20two%20leads%2C%20active%20crystal%20generally%20has%20four%20leads%2C%20should%20distinguish%20the%20positive%20and%20negative%20when%20soldering.8.%20For%20plug-in%20components%2C%20the%20pins%20of%20the%20components%20can%20be%20trimmed%20before%20soldering.9.%20If%20any%20component%20packaging%20error%2C%20installation%20problem%2C%20incorrect%20pad%20design%2C%20and%20other%20problems%20are%20found%20in%20the%20soldering%20process%2C%20record%20them%20in%20time%20for%20subsequent%20improvement.10%2C%20After%20soldering%20should%20use%20a%20magnifying%20glass%20to%20check%20the%20solder%20joints%2C%20check%20whether%20there%20is%20a%20poor%20soldering%20or%20short%20circuit.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2211.%20After%20the%20completion%20of%20the%20circuit%20board%20soldering%2C%20the%20surface%20of%20the%20circuit%20board%20should%20be%20cleaned.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2212.%20To%20keep%20the%20iron%20head%20clean%2C%20the%20iron%20head%20is%20in%20a%20high-temperature%20state%20for%20a%20long%20time%20when%20soldering.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2213.%20The%20tin-plated%20parts%20of%20the%20components%20shall%20be%20heated%20evenly%20during%20soldering%20to%20avoid%20damage%20or%20hidden%20dangers%20that%20are%20not%20easily%20detected.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2214.%20Do%20not%20move%20the%20components%20when%20soldering.%20It%20is%20necessary%20to%20remove%20the%20tweezers%20after%20the%20solder%20is%20solidified%2C%20otherwise%2C%20it%20is%20easy%20to%20cause%20poor%20soldering.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2215.%20The%20evacuation%20of%20the%20iron%20should%20be%20timely%2C%20and%20the%20angle%20and%20direction%20of%20the%20evacuation%20are%20related%20to%20the%20formation%20of%20the%20solder%20joint.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2216.%20The%20correct%20amount%20of%20solder.%20Generally%2C%20the%20diameter%20of%20the%20solder%20wire%20should%20be%20slightly%20less%20than%20the%20diameter%20of%20the%20solder%20pad.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2217.%20The%20correct%20amount%20of%20flux%20should.%20Excessive%20use%20of%20rosin%20flux%2C%20after%20soldering%2C%20is%20bound%20to%20need%20to%20erase%20the%20excess%20flux%2C%20and%20prolong%20the%20heating%20time%2C%20reduce%20the%20soldering%20efficiency.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%5D%7D%5D%2C%22businessKey%22%3A%22lark-doc%22%7D\">The components are classified according to their size for the convenience of subsequent soldering.<\/li>\n<li class=\"okr-block-clipboard\" data-okr=\"%7B%22okrDelta%22%3A%5B%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%221.%20PCB%20shall%20first%20check%20its%20appearance%20to%20see%20whether%20there%20is%20any%20short%20circuit%20or%20open%20circuit%2C%20and%20then%20compare%20the%20schematic%20with%20the%20silkscreen%20layer%20of%20PCB%20to%20avoid%20any%20discrepancy%20between%20the%20schematic%20and%20PCB.2.%20The%20components%20are%20classified%20according%20to%20their%20size%20for%20the%20convenience%20of%20subsequent%20soldering.3.%20Before%20soldering%2C%20wear%20an%20anti-static%20ring%20and%20other%20anti-static%20measures%20to%20avoid%20electrostatic%20damage%20to%20components.4%2C%20The%20chips%20before%20soldering%20to%20ensure%20that%20the%20orientation%20of%20the%20chip%20is%20placed%20correctly.6.%20Distinguish%20positive%20and%20negative%20electrodes%20for%20LEDs%2C%20tantalum%20capacitors%2C%20and%20electrolytic%20capacitors.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%227%2C%20For%20crystal%20oscillator%2C%20passive%20crystal%20has%20no%20positive%20and%20negative%20requests%2C%20and%20generally%20only%20two%20leads%2C%20active%20crystal%20generally%20has%20four%20leads%2C%20should%20distinguish%20the%20positive%20and%20negative%20when%20soldering.8.%20For%20plug-in%20components%2C%20the%20pins%20of%20the%20components%20can%20be%20trimmed%20before%20soldering.9.%20If%20any%20component%20packaging%20error%2C%20installation%20problem%2C%20incorrect%20pad%20design%2C%20and%20other%20problems%20are%20found%20in%20the%20soldering%20process%2C%20record%20them%20in%20time%20for%20subsequent%20improvement.10%2C%20After%20soldering%20should%20use%20a%20magnifying%20glass%20to%20check%20the%20solder%20joints%2C%20check%20whether%20there%20is%20a%20poor%20soldering%20or%20short%20circuit.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2211.%20After%20the%20completion%20of%20the%20circuit%20board%20soldering%2C%20the%20surface%20of%20the%20circuit%20board%20should%20be%20cleaned.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2212.%20To%20keep%20the%20iron%20head%20clean%2C%20the%20iron%20head%20is%20in%20a%20high-temperature%20state%20for%20a%20long%20time%20when%20soldering.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2213.%20The%20tin-plated%20parts%20of%20the%20components%20shall%20be%20heated%20evenly%20during%20soldering%20to%20avoid%20damage%20or%20hidden%20dangers%20that%20are%20not%20easily%20detected.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2214.%20Do%20not%20move%20the%20components%20when%20soldering.%20It%20is%20necessary%20to%20remove%20the%20tweezers%20after%20the%20solder%20is%20solidified%2C%20otherwise%2C%20it%20is%20easy%20to%20cause%20poor%20soldering.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2215.%20The%20evacuation%20of%20the%20iron%20should%20be%20timely%2C%20and%20the%20angle%20and%20direction%20of%20the%20evacuation%20are%20related%20to%20the%20formation%20of%20the%20solder%20joint.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2216.%20The%20correct%20amount%20of%20solder.%20Generally%2C%20the%20diameter%20of%20the%20solder%20wire%20should%20be%20slightly%20less%20than%20the%20diameter%20of%20the%20solder%20pad.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%2217.%20The%20correct%20amount%20of%20flux%20should.%20Excessive%20use%20of%20rosin%20flux%2C%20after%20soldering%2C%20is%20bound%20to%20need%20to%20erase%20the%20excess%20flux%2C%20and%20prolong%20the%20heating%20time%2C%20reduce%20the%20soldering%20efficiency.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%5D%7D%5D%2C%22businessKey%22%3A%22lark-doc%22%7D\">Before <span style=\"font-size: 14.4px;\">solder circuit boards<\/span>, wear an anti-static ring and other anti-static measures to avoid electrostatic damage to components.<\/li>\n<li>The chips before <span style=\"font-size: 14.4px;\">solder circuit boards<\/span> to ensure that the orientation of the chip is placed correctly.<\/li>\n<li>Distinguish positive and negative electrodes for LEDs, tantalum capacitors, and electrolytic capacitors.<\/li>\n<li>For crystal oscillator, passive crystal has no positive and negative requests, and generally only two leads, active crystal generally has four leads, should distinguish the positive and negative when <span style=\"font-size: 14.4px;\">solder circuit boards<\/span>.<\/li>\n<li>For plug-in components, the pins of the components can be trimmed before soldering.<\/li>\n<li data-zone-id=\"0\" data-line-index=\"1\">If any component packaging error, installation problem, incorrect pad design, and other problems are found in the <span style=\"font-size: 14.4px;\">solder circuit boards<\/span> process, record them in time for subsequent improvement.<\/li>\n<li data-zone-id=\"0\" data-line-index=\"1\">After <span style=\"font-size: 14.4px;\">solder circuit boards<\/span> should use a magnifying glass to check the solder joints, check whether there is a poor soldering or short circuit.<\/li>\n<li data-zone-id=\"0\" data-line-index=\"1\">After the completion of the circuit board soldering, the surface of the circuit board should be cleaned.<\/li>\n<li>To keep the iron head clean, the iron head is in a high-temperature state for a long time when <span style=\"font-size: 14.4px;\">solder circuit boards<\/span>.<\/li>\n<li>The tin-plated parts of the components shall be heated evenly during <span style=\"font-size: 14.4px;\">solder circuit boards<\/span> to avoid damage or hidden dangers that are not easily detected.<\/li>\n<li>Do not move the components when <span style=\"font-size: 14.4px;\">solder circuit boards<\/span>. It is necessary to remove the tweezers after the solder is solidified, otherwise, it is easy to cause poor soldering.<\/li>\n<li><span style=\"color: #555555; font-size: 14.4px;\">The evacuation of the iron should be timely, and the angle and direction of the evacuation are related to the formation of the solder joint.<\/span><\/li>\n<li data-zone-id=\"0\" data-line-index=\"7\">\n<div>The correct amount of solder. Generally, the diameter of the solder wire should be slightly less than the diameter of the solder pad.<\/div>\n<\/li>\n<li data-zone-id=\"0\" data-line-index=\"8\">\n<div>The correct amount of flux should. Excessive use of rosin flux, after <span style=\"font-size: 14.4px;\">solder circuit boards<\/span>, is bound to need to erase the excess flux, and prolong the heating time, reduce the <span style=\"font-size: 14.4px;\">solder circuit boards<\/span> efficiency.<\/div>\n<\/li>\n<\/ol>\n<div class=\"row align-middle\"  id=\"row-1799625427\">\n\n\t<div id=\"col-350370912\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_975074204\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner image-cover dark\" style=\"padding-top:56.25%;\">\n\t\t\t<img decoding=\"async\" width=\"589\" height=\"403\" src=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2021\/03\/design-pcb.png\" class=\"attachment-large size-large\" alt=\"Productos de PCB\" srcset=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2021\/03\/design-pcb.png 589w, https:\/\/uetpcb.com\/wp-content\/uploads\/2021\/03\/design-pcb-300x205.png 300w\" sizes=\"(max-width: 589px) 100vw, 589px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_975074204 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-2116619114\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_2052945750\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner image-cover dark\" style=\"padding-top:56.25%;\">\n\t\t\t<img decoding=\"async\" width=\"486\" height=\"371\" src=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2020\/11\/202007241818171081.jpg\" class=\"attachment-large size-large\" alt=\"Placa de circuito impreso\" srcset=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2020\/11\/202007241818171081.jpg 486w, https:\/\/uetpcb.com\/wp-content\/uploads\/2020\/11\/202007241818171081-300x229.jpg 300w\" sizes=\"(max-width: 486px) 100vw, 486px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_2052945750 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"container section-title-container\" ><h2 class=\"section-title section-title-normal\"><b aria-hidden=\"true\"><\/b><span class=\"section-title-main\" >Circuit Board Soldering Skills<\/span><b aria-hidden=\"true\"><\/b><\/h2><\/div>\n<h3>First, the correct use of electric soldering iron<\/h3>\n<div data-zone-id=\"0\" data-line-index=\"1\">\n<div>1, Should apply the solder on the electric iron before using it.<\/div>\n<\/div>\n<div data-zone-id=\"0\" data-line-index=\"2\">\n<div>2, The soldering time should not be too long, otherwise, it is easy to damage the components.<\/div>\n<div>3. After the completion of soldering, to use alcohol to clean the residual flux on the circuit board,<\/div>\n<div>4.The electric iron should be placed on the ferrochrome frame.<\/div>\n<\/div>\n<h3>Second, correct soldering sequence<\/h3>\n<div data-zone-id=\"0\" data-line-index=\"5\">\n<div>To facilitate soldering and save time, the soldering sequence of components should be difficult first, low first, and SMD first.<\/div>\n<div>1. Difficult components first, if the difficult components, such as the integrated chip with dense leads, are placed in the last soldering, once the soldering fails, the soldering pad will be damaged. So there should solder the easy parts first.<\/div>\n<\/div>\n<div data-zone-id=\"0\" data-line-index=\"6\">\n<div>2. Low parts first and then tall parts. If the tall components are dense and numerous, soldering the tall components first may hinder the soldering of other components.<\/div>\n<div>3. SMD parts first and then DIP parts. If the DIP components are soldered first, the circuit board will be uneven on the <span style=\"font-size: 14.4px;\">solder circuit boards<\/span> table, resulting in subsequent soldering difficulties.<\/div>\n<\/div>\n<div data-zone-id=\"0\" data-line-index=\"7\">\n<h3>Then, the method of manual soldering<\/h3>\n<\/div>\n<div data-zone-id=\"0\" data-line-index=\"9\">\n<div>When <span style=\"font-size: 14.4px;\">solder circuit boards<\/span>, the temperature of the electric iron should be moderate, generally about 400 degrees. First on the clean solder coated with the flux, again with a clean constant temperature <span style=\"font-size: 14.4px;\">solder circuit boards<\/span> iron to solder on a thin layer of solder (generally have tin-plated already when circuit board production, but sometimes the manual on the solder is very necessary), place your components to the circuit board and alignment, fixed them after applying solder, then pick one side with iron vertical direction is relatively slow slip pin, At the same time, press the side of the component slightly, and then solder the opposite side in the same way. After finishing the soldering, make a final check and repair the bad parts.<\/div>\n<\/div>\n<div data-zone-id=\"0\" data-line-index=\"10\">\n<div>Inspection method: first visual inspection, and then use a sharp thing to check whether each pin loses, and finally can be measured with a multimeter. If the short circuit between the two pins, then can be coated with some flux, while the alcohol is not volatile with a <span style=\"font-size: 14.4px;\">solder circuit boards<\/span> iron once again to fix.<\/div>\n<\/div>\n<div data-zone-id=\"0\" data-line-index=\"11\">\n<div><\/div>\n<\/div>\n<div class=\"container section-title-container\" ><h2 class=\"section-title section-title-normal\"><b aria-hidden=\"true\"><\/b><span class=\"section-title-main\" >What are the different solder circuit boards techniques?<\/span><b aria-hidden=\"true\"><\/b><\/h2><\/div>\n<p>There are various methods of soldering circuit boards. They are mainly divided into two different techniques: hard soldering and soft soldering.<\/p>\n<h3>1. soldering pcb board- Soft soldering<\/h3>\n<p>Soft soldering is used to connect small components to a larger PCB. Of course, soldering pcb board is not simply melting the details but must use an additional step to connect the pieces to the board. In this case, this extra step is a filler metal, usually a tin-lead alloy.<br \/>The use of this alloy is critical in the soldering process because it acts as the glue between the component and the board, holding the two together firmly.<\/p>\n<h3>2. soldering pcb board &#8211; hard soldering<\/h3>\n<p>Hard soldering is a process that uses a solid solder to join two different metal components together. As a soldering pcb board process, hard soldering consists of two smaller sub-processes called silver soldering and brazing.<\/p>\n<div class=\"container section-title-container\" ><h2 class=\"section-title section-title-normal\"><b aria-hidden=\"true\"><\/b><span class=\"section-title-main\" >How to Desoldering<\/span><b aria-hidden=\"true\"><\/b><\/h2><\/div>\n<div>The solder used can be easily removed by desoldering techniques. This can come in handy if you need to remove components or make corrections to electronic circuits.<\/div>\n<div>To desolder a solder joint, you need a solder core, also known as a desoldering braid.<\/div>\n<div><strong>Step 1 &#8211;<\/strong> Place a piece of desoldering braid on top of the solder you want to remove.<\/div>\n<div><strong>Step 2 &#8211;<\/strong> Heat the soldering iron to touch the top of the braid and heat it for a period of time. You can remove the braid to see that the solder has been extracted and removed. Be careful touching the braid as it heats up as it will get hot.<\/div>\n<h3>How to a lot of\u00a0 desolder<\/h3>\n<div>If you have a lot of solder that you want to remove, you may need to use a device called a solder sucker. This is a handheld mechanical vacuum that can suck out hot solder with the push of a button.<\/div>\n<div>To use it, press the plunger down on the end of the solder suction cup. Heat the joint with a soldering iron and then place the tip of the sucker on the hot solder. Press the release button to suck out the liquid solder. To empty the solder sucker, press the plunger.<\/div>","protected":false},"excerpt":{"rendered":"<p>Este art\u00edculo se centra en la soldadura de pcb para principiantes y explica c\u00f3mo soldar diversos componentes utilizando varias t\u00e9cnicas diferentes. Aunque la soldadura de pcb puede parecer desalentadora al principio, una vez que le des una oportunidad, ver\u00e1s que es f\u00e1cil de hacer en la mayor\u00eda de las aplicaciones. Cuando se sueldan placas de circuito impreso, primero se...<\/p>","protected":false},"author":10,"featured_media":2864,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2860","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Solder Circuit Boards - Step by Step Tips for Newbies<\/title>\n<meta name=\"description\" content=\"The soldering iron should be in contact with the leads of the pcb component. 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