This part is a kind of semiconductor called 2SA633.
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 Product Specification Silicon PNP Power Transistors 2SA633 DESCRIPTION ·With TO-202 package ·High current capability APPLICATIONS ·Power amplifier applications PINNING(see Fig.2) PIN 1 2 3 Base Collector Emitter Fig.1 simplified outline (TO-202) and symbol DESCRIPTION Absolute maximum ratings (Ta=25℃) SYMBOL VCBO VCEO VEBO IC ICM IB B PARAMETER Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Collector current-peak Base current Collector power dissipation Junction temperature Storage temperature TC=25℃ Open emitter Open base Open collector CONDITIONS VALUE -30 -30 -5 -2 -3 -0.6 10 150 -55~150 UNIT V V V A A A W ℃ ℃ PC Tj Tstg Inchange Semiconductor Product Specification Silicon PNP Po [ ... ]
2SA633 PDF Datasheet Download
