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60065
14 Components2 C; N8 P3 Z) P) e3 s
14.1 Resistors
' k: S W+ G8 d3 o, dReplace the second compliance paragraph by the following:
: c. I/ {) U5 I! SBefore test a) or b), the resistance of each sample is measured and the sample is then; ?% b7 l, A1 W. L5 D
subjected to the damp heat test according to IEC 60068-2-78 with the following severity
" o- q2 h9 {5 B: D) |parameters:
3 w) _# t! f2 K0 Z7 U– Temperature: (40 ± 2) °C,, \" P$ G N& N8 k8 x3 Q
– Humidity: (93 ± 3) % RH,0 l+ ^ b9 i A" @3 z$ x- G# ~
– Test duration: 21 days.
0 d$ t% s6 i, j- w6 l) M9 l英语意思知道,请问各位这段话讲到用在哪个上面?谢谢! |
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