This part is a kind of semiconductor called 2SA1493.
Function of this product has POWER TRANSISTOR.
Manufacturers : Inchange Semiconductor
Image and pinout :

Some of the text within the PDF file :
Inchange Semiconductor Product Specification Silicon PNP Power Transistors 2SA1493 DESCRIPTION ·With MT-200 package ·Complement to type 2SC3857 APPLICATIONS ·Audio and general purpose PINNING(see Fig.2) PIN 1 2 3 Base Collector;connected to mounting base Emitter Fig.1 simplified outline (MT-200) and symbol DESCRIPTION · Absolute maximum ratings (Ta=25℃) SYMBOL VCBO VCEO VEBO IC IB B PARAMETER Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Base current Collectorl power dissipation Junction temperature Storage temperature TC=25℃ CONDITIONS Open emitter Open base Open collector VALUE -200 -200 -6 -15 -5 150 150 -55~150 UNIT V V V A A W ℃ ℃ PC Tj Tstg Inchange Semiconductor Product Specification Silicon PNP [ ... ]
2SA1493 PDF Datasheet Download
