BD643

SavantIC Semiconductor Product Specification Silicon NPN Dalington Power Transistors DESCRIPTION ·With TO-220C package www.datasheet4u.com ·Complement to type BD644 ·DARLINGTON APPLICATIONS ·For use in output stages in audio equipment ,general amplifier,and analogue switching applications PINNING PIN 1 2 3 Base Collector;connected to mounting base Emitter DESCRIPTION BD643 Absolute maximum ratings(Ta=25 ) SYMBOL VCBO VCEO VEBO IC ICM IB PC Tj Tstg PARAMETER Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current-DC Collector current-Pulse Base current Collector power dissipation Junction temperature Storage temperature TC=25 CONDITIONS Open emitter Open base Open collector VALUE 45 45 5 8 12 150 62.5 150 -55~150 UNIT V V V A A A W THERMAL CHARACTERISTICS SYMBOL Rth j-c PARAMETER Thermal resistance junction to case MAX 1.5 UNIT /W SavantIC Semiconductor Product Specification Silicon NPN Dalington Power Transistors BD643 CHARACTERISTICS www.datasheet4u.com Tj=25 unless otherwise specified PARAMETER Collector-emitter breakdown voltage Collector-base breakdown voltage Emitter-base breakdown voltage Collector-emitter saturation voltage Base-emitter voltage Collector cut-off current Collector cut-off current Emitter cut-off current DC current gain DC current gain DC current gain Diode forward voltage Transition frequency CONDITIONS IC=0.1A, IB=0 IC=5mA, IE=0 IE=2mA, IC=0 IC=3A ,IB=12mA IC=3A , VCE=3V VCB=VCBMax; IE=02 VCE=1/2 VCEMax; IB=0...