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60065
14 Components
' G& j R" d& R& ?( `4 y9 y14.1 Resistors
& k0 o+ B6 }/ J' t9 C r8 CReplace the second compliance paragraph by the following:: N0 e9 R) n' ]* W+ M
Before test a) or b), the resistance of each sample is measured and the sample is then
7 u b- T# T5 A) usubjected to the damp heat test according to IEC 60068-2-78 with the following severity' M% w& q5 @8 F) d9 B
parameters:$ E4 }: n" W2 H' N; g" g
– Temperature: (40 ± 2) °C,5 c" G c9 |! J: o
– Humidity: (93 ± 3) % RH,
# j$ } `$ ?3 i' x4 T2 W– Test duration: 21 days.! B3 W/ N9 s/ b
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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