IEC60068-2-14
温度周期 Temperature cycling

① 无负载于下表所示的环境条件下重复5次。
5 cycles of following sequence without loading

② 试验后标准条件下放置1~2小时后测量。
The chip shall be stabilized at normal condition for I~2 hoursbefore measuring.

IEC60068-2-2

高温存放 Resistanceto dry heat
① 在125±5℃空气中，无负载放置1000±24小时。
125±5℃ in air, for 1000±24 hours without loading.

② 试验后标准条件下放置1~2小时后测量。
The chip shall be stabilized at normal condition for 1~2 hoursbefore measuring

IEC60068-2-1

低温存放 Res1stance to cold
① 在-40±3℃空气中，无负载放置1000±24小时。
-40±3℃ in air, for 1000±24 hours without loading.

② 试验后标准条件下放置1~2小时后测量。
The chip shall be stabilized at normal condition for 1~2 hoursbefore measuring.

IEC60068-2-78

湿热存放 Resistanceto damp heat

① 在40±2℃，相对湿度90~95%空气中，无负载放置1000±24小时。
40±2℃， 90~95%RH in air, for 1000±24 hours without loading.

② 试验后标准条件下放置1~2小时后测量。
The chip shall be stabilized at normal condition for 1~2 hoursbefore measuring.

IEC60539-15.25.4

高温负荷 Res1stance to hightemperatureload

① 在85±2℃空气中，施加允许工作电流1000±48小时。
85±2℃ in air with permissive operating current for 1000±48 hours

② 试验后标准条件下放置1~2小时后测量。
The chip shall be stabilized at normal condition for 1~2 hoursbefore measuring.