This part is a kind of semiconductor called BDT64C.

Function of this product has Silicon PNP Darlington Power Transistor.

Manufacturers : Inchange Semiconductor

Image and pinout :

Some of the text within the PDF file :

INCHANGE Semiconductor isc Product Specification isc Silicon PNP Darlington Power Transistor DESCRIPTION ·Collector Current -IC= -12A ·High DC Current Gain-hFE= 1000(Min)@ IC= -5A ·Complement to Type BDT65/A/B/C APPLICATIONS ·Designed for audio output stages and general purpose amplifier applications ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL PARAMETER BDT64 Collector-Emitter Voltage BDT64A BDT64B BDT64C BDT64 Collector-Emitter Voltage BDT64A BDT64B BDT64C VEBO IC ICM IB B BDT64/A/B/C VALUE -60 -80 UNIT VCER V -100 -120 -60 -80 V -100 -120 -5 -12 -20 -0.5 125 150 -65~150 V A A A W ℃ ℃ www.DataSheet.net/ VCEO Emitter-Base Voltage Collector Current-Continuous Collector Current-Peak Base Current-Continuous Collector Power Dissipation @ TC=25℃ Junction Temperature Storage Tem [ ... ]

BDT64C PDF Datasheet Download