Note on ambient temperature

-10 – 40 ??C when mounted via through-hole
-5 – 60 ??C for vertical installation
Above an ambient temperature of 20 ??C, the power must be reduced by 1.75% per ??C.
Above an ambient temperature of 30?C, the power must be reduced by 2% per K.
Above an ambient temperature of 40 ?C, the power must be reduced by 3%/?C.
Influence of heat on wear
Up to 60 ?C with derating of -1.5% per degree Celsius
Up to 80 ??C with derating of -1.5% per degree Celsius
Up to 80 ?C with derating of -1.5% per degree Celsius