数量:最少 2 个,建议 3 个,对于超过 250mm 的电路板或带有细间距元件(引脚或焊料间距小于 0.5mm 的非芯片元件)的电路板附加本地标记。
FR-4 stands out as one of the most versatile options. The composition of an FR-4 printed circuit board comprises a woven glass fabric reinforcement impregnated with a flame-retardant epoxy resin binder.
PCB type: Rigid PCB
Layer: Multi-layer
Base material: FR-4
Solder mask: Green
Silk screen: White
Surface treatment: HASL
A truck wire harness is like the nervous system of a truck. It is a group of wires, connectors, and terminals that link 全部 the electrical parts together.