2n4901 2n4902 2n4903.pdf datasheet:

Inchange Semiconductor Product Specification Silicon PNP Power Transistors 2N4901 2N4902 2N4903 DESCRIPTION With TO-3 package Complement to type 2N5067/5068/5069 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=) SYMBOL PARAMETER CONDITIONS VALUE UNIT2N4901 -40VCBO Collector-base voltage 2N4902 Open emitter -60 V 2N4903 -80 2N4901 -40VCEO Collector-emitter voltage 2N4902 Open base -60 V 2N4903 -80 VEBO Emitter-base voltage Open collector -5 V IC Collector current -5 A ICM Collector current-peak -10 AIB Base current -1 APD Total power dissipation TC=25 87.5 W Tj Junction temperature 200 Tstg Storage temperature -65~200 THERMA