MITSUBISHI TRANSISTOR MODULES QM300HA-2 4 HIGH POWER SWITCHING USE INSULATED TY PE QM300HA-24 . IC Collector current 300A VCEX Collector-emitter voltage. 1200V hFE DC current gain. 75 Insula ted Type UL Recognized Yellow Card No. E80276 (N) File No. E80271 APPLICATION AC motor controllers, UPS, .