This part is a kind of semiconductor called BDT64CF.

Function of this product has Silicon PNP Darlington Power Transistor.

Manufacturers : INCHANGE

Image and pinout :

Some of the text within the PDF file :

INCHANGE Semiconductor isc Silicon PNP Darlington Power Transistor isc Product Specification BDT64F/AF/BF/CF DESCRIPTION ·Collector Current -IC= -12A ·High DC Current Gain-hFE= 1000(Min)@ IC= -5A ·Complement to Type BDT65F/AF/BF/CF APPLICATIONS ·Designed for audio output stages and general purpose amplifier applications ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL PARAMETER VALUE UNIT BDT64F -60 VCER Collector-Emitter Voltage BDT64AF BDT64BF -80 -100 V BDT64CF -120 BDT64F -60 VCEO Collector-Emitter Voltage BDT64AF BDT64BF -80 -100 V BDT64CF -120 VEBO Emitter-Base Voltage -5 V IC Collector Current-Continuous -12 A ICM Collector Current-Peak -20 A IBB Base Current-Continuous Collector Power Dissipation PC @ TC=25℃ TJ Junction Temperature Tstg Storage Temper [ ... ]

BDT64CF PDF Datasheet Download