谁能帮忙解答下以下几种 涉及到PCB方面的UL认证的关系和区别?
VZQC2 Subassemblies forHigh-technology Equipment - ComponentZPVI2 Printed Wiring Assemblies-Component
ZPMV2 Wiring, Printed - Component
QMTS8. Polymeric Materials - Filament-wound Tubing, Industrial Laminates, Vulcanized Fiber, and Materials for Use inFabricating Recognized Printed Wiring Boards Certified for Canada - Component
通俗点:
1.UL没有专门的标准针对客户需要认证的某类组件产品,UL用这个来帮助客户通过认证。
2.PCBA 认证
3.线路板
4.CUL基材认证。
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