SEM (Shindengen Electric Manufacturing) 2SB1285-4000 Mfr Package Description: MTO-3P, 3 PIN Package Shape: RECTANGULAR Package Style: FLANGE MOUNT Terminal Form: THROUGH-HOLE Terminal Position: SINGLE Number of Terminals: 3 Package Body Material: PLASTIC/EPOXY Configuration: DARLINGTON Number of Elements: 1 Transistor Element Material: SILICON Transistor Polarity: PNP Transistor Type: GENERAL PURPOSE POWER DC Current Gain-Min (hFE): 1500 Collector Current-Max (IC): 15 A Collector-emitter Voltage-Max: 100 V Transition Frequency-Nom (fT): 20 MHz