2n4904 2n4905 2n4906.pdf datasheet:

Inchange Semiconductor Product Specification Silicon PNP Power Transistors 2N4904 2N4905 2N4906 DESCRIPTION With TO-3 package Complement to type 2N4913/4914/4915 Low collector saturation voltage APPLICATIONS For generalpurpose switching and power amplifier applications. PINNING PIN DESCRIPTION1 Base 2 EmitterFig.1 simplified outline (TO-3) and symbol3 CollectorABSOLUTE MAXIMUM RATINGS(Ta=25) SYMBOL PARAMETER CONDITIONS VALUE UNIT2N4904 -40VCBO Collector-base voltage 2N4905 Open emitter -60 V 2N4906 -80 2N4904 -40VCEO Collector-emitter voltage 2N4905 Open base -60 V 2N4906 -80 VEBO Emitter-base voltage Open collector -5 V IC Collector current -5 A IB Base current -1 APD Total power dissipation TC=25 87.5 WTj Junction temperature 200 Tstg Storage temperature -65~200 THERMAL CHARACTERISTICS SYMBOL PARAME