Inchange SemiconductorProduct SpecificationSilicon NPN Power Transistors BUT56 BUT56ADESCRIPTION ・ ・With TO-220C package ・High voltage;high speed ・High power dissipation APPLICATIONS ・Switching mode power supply PINNINGPIN DESCRIPTION 1 Base Collector;connected to 2 mounting base 3 Emitter Absolut maximum ratings (Ta=25 ℃ )SYMBOL PARAMETERCONDITIONS VALUEUNIT BUT56 800 VCBO Collector-base voltage Open emitter V BUT56A 1000 BUT56 400 VCEO Collector-emitter voltage Open base V BUT56A 450 VEBO Emitter-base voltage Open collector 6 V IC Collector current 8 A ICM Collector current-peak 10 A IBM Base current-peak 4 A Ptot Total power dissipation TC=25℃ 100 W Tj Junction temperature 150 ℃ Tstg Storage temperature -65~150 ℃ THERMAL CHARACTERISTICSSYMBOL PARAMETER MAXUNIT Rth j-c Thermal resistance junction to mounting case 1.25 K/W