This part is a kind of semiconductor called D44H11.

Function of this product has 10 AMPERE COMPLEMENTARY SILICON POWER TRANSISTORS 60/ 80 VOLTS.

Manufacturers : Motorola Inc

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Some of the text within the PDF file :

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by D44H/D Complementary Silicon Power Transistors . . . for general purpose power amplification and switching such as output or driver stages in applications such as switching regulators, converters and power amplifiers. • Low Collector–Emitter Saturation Voltage VCE(sat) = 1.0 V (Max) @ 8.0 A • Fast Switching Speeds • Complementary Pairs Simplifies Designs D44H Series* D45H Series* *Motorola Preferred Device NPN PNP ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎ ÎÎÎÎÎÎÎÎ ÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎ ÎÎÎÎÎ Î [ ... ]

D44H11 PDF Datasheet Download