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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.