2sc4055.pdf datasheet:

Product Specification www.jmnic.com Silicon NPN Power Transistors 2SC4055 DESCRIPTION With TO-220C package High voltage,High speed switching High reliability PINNING PIN DESCRIPTION1 Base Collector;connected to 2 mounting base 3 EmitterAbsolute maximum ratings(Ta=25) SYMBOL PARAMETER CONDITIONS VALUE UNITVCBO Collector-base voltage Open emitter 600 V VCEO Collector-emitter voltage Open base 450 V VEBO Emitter-base voltage Open collector 7 V IC Collector current 8 A ICM Collector current-peak 16 A IB Base current 4 AIBM Base current-peak 8 APC Collector dissipation TC=25 60 WTj Junction temperature 150 Tstg Storage temperature -55~150 THERMAL CHARACTERISTICS SYMBOL PARAMETER MAX UNITRth j-C Thermal resistance junction to case 2.08 /W JMnicProduct Specification www.jmnic.com Silicon NPN Power Transisto