This part is a kind of semiconductor called 2SA1133.

Function of this product has SILICON POWER TRANSISTOR.

Manufacturers : SavantIC

Image and pinout :

Some of the text within the PDF file :

SavantIC Semiconductor Product Specification Silicon PNP Power Transistors 2SA1133 2SA1133A DESCRIPTION ·With TO-220 package ·High breakdown voltage ·High power dissipation ·Complement to type 2SC2660/2660A APPLICATIONS ·For power amplifier and TV vertical deflection output applications PINNING PIN 1 2 3 DESCRIPTION Emitter Collector;connected to mounting base Base Fig.1 simplified outline (TO-220) and symbol Absolute maximum ratings(Ta=25 ) SYMBOL VCBO PARAMETER Collector-base voltage 2SA1133 VCEO Collector-emitter voltage 2SA1133A VEBO IC ICM PT Tj Tstg Emitter-base voltage Collector current Collector current-peak Total power dissipation Junction temperature Storage temperature TC=25 Open collector Open base -180 -6 -2.0 -3.0 30 150 -55~150 V A A W CONDITION [ ... ]

2SA1133 PDF Datasheet Download