This part is a kind of semiconductor called BU406.

Function of this product has NPN PLASTIC POWER TRANSISTORS.

Manufacturers : CDIL

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Continental Device India Limited An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company NPN PLASTIC POWER TRANSISTORS BU406 BU407 TO-220 Plastic Package Horizontal Deflection Output Stages of TV and CRT ABSOLUTE MAXIMUM RATINGS (Ta=25ºC) DESCRIPTION SYMBOL Collector Emitter Voltage Collector Base Voltage Collector Emitter Voltage Emitter Base Voltage Collector Current Continuous Collector Current Repetitive Peak Collector Current (10ms) Peak Base Current Power Dissipation upto Tc=25ºC VCEO VCBO VCEV VEBO IC ICM ICM IB PD Derate above 25ºC Power Dissipation upto Ta=25ºC PD Derate above 25ºC Operating and Storage Junction Temperature Tj , Tstg BU406 200 400 400 THERMAL RESISTANCE Junction to Case Junction to Ambient in free air Rth (j-c) Rth (j-a) 6 7 10 15 4 60 480 [ ... ]

BU406 PDF Datasheet Download