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Philips Semiconductors                                                                                  Product specification

Silicon Diffused Power Transistor                                                                               BUT12AI


GENERAL DESCRIPTION
Improved high-voltage, high-speed glass-passivated npn power transistor in a TO220AB envelope specially suited
for use in overhead/high frequency lighting ballast applications and converters, inverters, switching regulators,
motor control systems, etc.

QUICK REFERENCE DATA
 SYMBOL          PARAMETER                                     CONDITIONS                           TYP.       MAX.     UNIT
 VCESM           Collector-emitter voltage peak value          VBE = 0 V                                 -     1000      V
 VCEO            Collector-emitter voltage (open base)                                                   -      450      V
 IC              Collector current (DC)                                                                  -       8       A
 ICM             Collector current peak value                                                            -      20       A
 Ptot            Total power dissipation                       Ths  25 

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