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一行白鹭上青天 发表于 2021-5-28 17:08" {- u5 N) ^$ S6 [
有的报告里面列了，有的，没有列，不是同一家机构。
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) i! p( c w, l- M* V2 j& q请问列不列入CDF有没有什么依据？水压开关也是开 ...
od 2020里有定义，但更多的是主观因素，所以有的元件理解起来会有会有偏差8 q+ ~0 D2 n; }
4.7.2 The information to be included in the critical components and materials table shall be based on the following ~/ P+ t. J; l/ }' {9 Z
4 M6 D$ l/ w# Fa) The CTL clarification: “A safety critical component can only be determined upon a preliminary examination/evaluation of the electrical diagram/design/construction. When the design of the product is such that a determined component, in case of failure, can compromise the safety aspect, this component is defined as “safety critical”.
# r% O+ S, A7 ob) Components, which have specific requirements in the end product standards.
* p! F/ j2 L6 G7 s7 {9 I4 j0 f$ t5 x- ec) Components, which have requirements in the National Standards included in the evaluation% r9 u# F- Z. A% A* t# ~- i0 Z6 @4 f1 u
d) Materials, which are critical to maintain compliance with the standard (such as corrosion requirements, flammability)9 ~7 E5 T+ n# U9 T- y- {
e) Professional judgment of the CBTL/NCB
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发表于 2021-5-27 11:20
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:lol为啥不列呢？
[s:83][s:83]
发表于 2021-5-30 11:36