Metal Core PCBs Guide
Metal core PCBs combine circuit layers, insulation layers and metal substrates. It enables components to dissipate heat quickly. Its excellent heat dissipation and stability make it key to high-performance electronics. Its reliable electrical traits help, too.
Metal Core PCBs Technical Specifications
| Parameter | Specifications |
|---|---|
| Base Material | Aluminum (1xxx/5xxx series), Copper |
| Thermal Conductivity | 1.0-8.5 W/m.K |
| Board Thickness | 0.5mm-3.2mm |
| Copper Thickness | 1oz-10oz (35μm-350μm) |
| Dielectric Thickness | 75μm-150μm |
| Minimum Line Width | 4mil (0.1mm) |
| Minimum Line Spacing | 4mil (0.1mm) |
| Surface Finish | HASL, ENIG, OSP, Immersion Silver |
| Solder Mask | Green, White, Black, Blue |
| Maximum Board Size | 510mm x 610mm |
| Layer Count | Single layer, Double layer |
| Dielectric Strength | >3000V |
| Operating Temperature | -40°C to +150°C |
| CTI Value | >600V |
| UL Rating | UL94 V-0 |
Advantages of Metal Core PCBs
– Thermal conductivity is 10-100 times higher than traditional FR4 boards
– Heat can be directly transferred to the heat sink
– Lower the operating temperature of components
– Uniform heat dissipation and reduced hot spotshalides when burned.
– Low coefficient of thermal expansion (CTE)
– Better flatness
– Reduced warpage
– Suitable for precision applications
– Halogen-free design options
– RoHS compliant
– Recyclable materials
– Energy saving and environmental protection
– Good insulation performance
– Stable dielectric constant
– Reliable signal integrity
– Low signal loss
Applications of Metal Core PCBs
LED Lighting
Metal Core PCBs are used in LED lighting for efficient heat dissipation, ensuring brightness and lifespan.
Automotive Electronics
In automotive electronics, MCPCBs provide durability and thermal management, suitable for vehicle dashboards, etc.
Power Converters
MCPCBs are used in power converters for compact design and efficient thermal management.
Solar Panels
In solar panels, MCPCBs improve performance and heat dissipation efficiency.
Telecommunication Equipment
MCPCBs provide reliability and thermal management in telecommunication equipment, suitable for server rooms.
Industrial Machinery
In industrial machinery, MCPCBs demonstrate strong performance and thermal management capabilities.
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