ain Current3, VGS @ 4.5V Pulsed Drain Current1 Total Power Dissipation Storage Temperature Range Operating Junction Temperature Range -20 +8 -5 -4 -20 1.38 -55 to 150 -55 to 150 V V A A A W ℃ ℃ Thermal Data Symbol Parameter Rthj-amb Maximum Thermal Resistance, Junction-ambient3 Data and spec.