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\u96c6\u6210\u7535\u8def\u5bf9\u4f4d\u4e0d\u51c6\uff0c(2) \u4f4d\u7f6e\u9519\u8bef\uff0c(3) \u96c6\u6210\u7535\u8def\u4e0e\u710a\u70b9\u4e4b\u95f4\u7684\u63a5\u89e6\u4e0d\u826f\u3002<\/p>\n<h3>\u56de\u6d41\u5de5\u827a\u6216QFN\u5c01\u88c5\u710a\u63a5<\/h3>\n<p>\u5728\u6b64\u6b65\u9aa4\u4e2d\uff0c\u5927\u591a\u6570\u5de5\u5382\u4f1a\u5c06PCB\u653e\u5165\u70e4\u7bb1\uff0c\u4f7f\u710a\u818f\u7194\u5316\u5e76\u9644\u7740\u5728QFN\u82af\u7247\u4e0a\u3002\u6574\u4e2a\u8fc7\u7a0b\u90fd\u5728\u4f20\u9001\u5e26\u4e0a\u5b8c\u6210\u3002\u5982\u679c\u60a8\u81ea\u5df1\u64cd\u4f5c\uff0c\u53ef\u4ee5\u4f7f\u7528\u6807\u51c6\u7684\u52a0\u70ed\u5668\u3002\u4f46\u8bf7\u786e\u4fdd\u73af\u6c27\u6811\u8102\u57fa\u4f53\u4e0d\u4f1a\u8fc7\u70ed\u3002<\/p>\n<h3>\u6700\u7ec8\u9a8c\u6536<\/h3>\n<p>\u8bf7\u518d\u6b21\u68c0\u67e5 QFN \u5c01\u88c5\u7684\u710a\u63a5\u662f\u5426\u6b63\u786e\u3002\u5fc5\u987b\u5728\u7ec4\u4ef6\u51b7\u5374\u540e\u8fdb\u884c\u6b64\u6b65\u9aa4\u3002\u6b64\u6b65\u9aa4\u53ef\u786e\u4fdd\u6240\u6709\u8fde\u63a5\u7262\u56fa\uff0c\u4e14\u7ec4\u4ef6\u7b26\u5408\u8d28\u91cf\u6807\u51c6\u3002<\/p>\n<h2>QFN \u4e0e QFP \u5c01\u88c5\uff1a\u54ea\u4e00\u79cd\u66f4\u597d\uff1f<\/h2>\n<p>QFP \u4ee3\u8868\u201c\u56db\u8fb9\u6241\u5e73\u5c01\u88c5\u201d\uff08Quad Flat Package\uff09\uff0c\u800c QFN \u4ee3\u8868\u201c\u56db\u8fb9\u6241\u5e73\u65e0\u5f15\u7ebf\u5c01\u88c5\u201d\uff08Quad Flat No-lead Package\uff09\u3002\u5b83\u4eec\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u662f\u5426\u5e26\u6709\u5f15\u7ebf\u3002\u8fd9\u4e24\u79cd\u5c01\u88c5\u5728\u7535\u5b50\u884c\u4e1a\u4e2d\u5747\u88ab\u5e7f\u6cdb\u5e94\u7528\u3002\u5f15\u7ebf\u7684\u5b58\u5728\u65e2\u5e26\u6765\u4f18\u52bf\uff0c\u4e5f\u5b58\u5728\u5c40\u9650\u6027\u3002\u6b63\u56e0\u5982\u6b64\uff0cQFP \u7684\u5c40\u9650\u6027\u53cd\u800c\u6210\u4e3a\u4e86 QFN \u7684\u4f18\u52bf\u3002\u8ba9\u6211\u4eec\u8fdb\u4e00\u6b65\u4e86\u89e3\u3002<\/p>\n<p><img decoding=\"async\" class=\"size-medium wp-image-7873 aligncenter\" src=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2023\/06\/bga_pcb-300x196.webp\" alt=\"bga_pcb QFN \u5c01\u88c5\" width=\"300\" height=\"196\" srcset=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2023\/06\/bga_pcb-300x196.webp 300w, https:\/\/uetpcb.com\/wp-content\/uploads\/2023\/06\/bga_pcb.webp 555w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<h3>\u4f55\u65f6\u5e94\u4f18\u5148\u9009\u7528 QFN \u5c01\u88c5\uff1f<\/h3>\n<p>\u7531\u4e8e QFN \u96c6\u6210\u7535\u8def\u5c01\u88c5\u6ca1\u6709\u5916\u9732\u5f15\u811a\uff0c\u56e0\u6b64\u7ed3\u6784\u7d27\u51d1\u4e14\u5916\u5f62\u4f4e\u77ee\u3002\u8fd9\u79cd\u5c01\u88c5\u4f53\u79ef\u5c0f\uff0c\u901a\u5e38\u9002\u7528\u4e8e\u7d27\u51d1\u578b\u5370\u5237\u7535\u8def\u677f\uff0c\u56e0\u6b64\u5728\u4fbf\u643a\u5f0f\u8bbe\u5907\u7684\u5236\u9020\u4e2d\u5c24\u4e3a\u53d7\u6b22\u8fce\u3002<\/p>\n<p>\u5916\u9732\u7684\u5bfc\u70ed\u57ab\u8fd8\u5177\u6709\u51fa\u8272\u7684\u6563\u70ed\u6027\u80fd\u3002\u65e0\u5f15\u811a\u8bbe\u8ba1\u901a\u5e38\u80fd\u7f29\u77ed\u7535\u8def\u8d70\u7ebf\u957f\u5ea6\uff0c\u4ece\u800c\u63d0\u9ad8\u4fe1\u53f7\u8d28\u91cf\u3002\u6b64\u7c7b\u5c01\u88c5\u4e3b\u8981\u5e94\u7528\u4e8e\u9ad8\u9891\u548c\u654f\u611f\u8bbe\u5907\u4e2d\u3002<\/p>\n<p><img decoding=\"async\" class=\"size-medium wp-image-9095 aligncenter\" src=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2024\/05\/chip_on_pcb-300x261.webp\" alt=\"chip_on_pcb QFP \u5c01\u88c5\" width=\"300\" height=\"261\" srcset=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2024\/05\/chip_on_pcb-300x261.webp 300w, https:\/\/uetpcb.com\/wp-content\/uploads\/2024\/05\/chip_on_pcb.webp 347w\" sizes=\"(max-width: 300px) 100vw, 300px\" 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Flat No-lead 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about ICs before learning about a QFN package is equally important. 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