This part is a kind of semiconductor called D44H11.

Function of this product has COMPLEMENTARY SILICON POWER TRANSISTORS.

Manufacturers : ON Semiconductor

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D44H Series (NPN), D45H Series (PNP) Complementary Silicon Power Transistors These series of plastic, silicon NPN and PNP power transistors can be used as general purpose power amplification and switching such as output or driver stages in applications such as switching regulators, converters and power amplifiers. Features • Low Collector−Emitter Saturation Voltage • Fast Switching Speeds • Complementary Pairs Simplifies Designs • These Devices are Pb−Free and are RoHS Compliant* MAXIMUM RATINGS Rating Symbol Value Unit Collector−Emitter Voltage D44H8, D45H8 D44H11, D45H11 VCEO Vdc 60 80 Emitter Base Voltage Collector Current − Continuous Collector Current − Peak (Note 1) Total Power Dissipation @ TC = 25°C @ TA = 25°C VEB 5.0 Vdc IC 10 Adc ICM 20 Adc PD W [ ... ]

D44H11 PDF Datasheet Download