View 2sd1277 2sd1277a datasheet:

Product Specification www.jmnic.com Silicon NPN Power Transistors 2SD1277 2SD1277A DESCRIPTION With TO-220Fa package Complement to type 2SB951 and 2SB951A High forward current transfer ratio hFE High-speed switching APPLICATIONS For medium speed power switching PINNING PIN DESCRIPTION1 Base 2 Collector3 EmitterFig.1 simplified outline (TO-220Fa) and symbol ABSOLUTE MAXIMUM RATINGS AT Tc=25 SYMBOL PARAMETER CONDITIONS VALUE UNIT2SD1277 60VCBO Collector-base voltage Open emitter V 2SD1277A 80 2SD1277 60VCEO Collector-emitter voltage Open base V 2SD1277A 80 VEBO Emitter-base voltage Open collector 7 V IC Collector current (DC) 8 A ICM Collector current-Peak 12 ATC=25 45 PC Collector power dissipation W Ta=25 2 Junction temperature 150 Tj Tstg Storage temperature -55~150 JMnicProduct Specificatio

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