This part is a kind of semiconductor called 2SA1302.

Function of this product has Silicon PNP Power Transistor.

Manufacturers : Inchange Semiconductor

Image and pinout :

Some of the text within the PDF file :

INCHANGE Semiconductor isc Product Specification isc Silicon PNP Power Transistor 2SA1302 DESCRIPTION ·High Current Capability ·High Power Dissipation ·High Collector-Emitter Breakdown Voltage: V(BR)CEO= -200V(Min) ·Complement to Type 2SC3281 APPLICATIONS ·Power amplifier applications ·Recommend for 100W high fidelity audio frequency amplifier output stage applications ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL PARAMETER VALUE UNIT VCBO Collector-Base Voltage -200 V VCEO Collector-Emitter Voltage -200 V VEBO Emitter-Base Voltage -5 V IC Collector Current-Continuous -15 A IB B Base Current-Continuous Collector Power Dissipation @ TC=25℃ Junction Temperature -1.5 A PC 150 W TJ 150 ℃ Tstg Storage Temperature Range -55~150 ℃ isc Website：www.iscs [ ... ]

2SA1302 PDF Datasheet Download