This part is a kind of semiconductor called 2SA633.

Function of this product has Silicon POwer Transistors.

Manufacturers : SavantIC

Image and pinout :

Some of the text within the PDF file :

SavantIC 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 PC Tj Tstg 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 SavantIC Semiconductor Product Specification Silicon PNP Pow [ ... ]

2SA633 PDF Datasheet Download