This part is a kind of semiconductor called 2SA1452.
Function of this product has POWER TRANSISTOR.
Manufacturers : Inchange Semiconductor
Image and pinout :

Some of the text within the PDF file :
www.net INCHANGE Semiconductor isc Product Specification isc Silicon PNP Power Transistor 2SA1452 DESCRIPTION ·Low Collector Saturation Voltage: VCE(sat)= -0.4V(Max)@IC= -6A ·Good Linearity of hFE ·High Switching Speed ·Complement to Type 2SC3710 APPLICATIONS ·Designed for high current switching applications ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL PARAMETER VALUE UNIT VCBO Collector-Base Voltage -80 V VCEO Collector-Emitter Voltage -80 V VEBO Emitter-Base Voltage -6 V IC Collector Current-Continuous -12 A IB B Base Current-Continuous -2 A PC Collector Power Dissipation @ TC=25℃ 30 W TJ Junction Temperature 150 ℃ Tstg Storage Temperature Range -55~150 ℃ isc Website:www.iscsemi.cn INCHANGE Semiconductor isc Product Specific [ ... ]
2SA1452 PDF Datasheet Download
