This part is a kind of semiconductor called 2SA1492.

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 2SA1492 DESCRIPTION ·With TO-3PN package ·Complement to type 2SC3856 APPLICATIONS ·Audio and general purpose PINNING PIN 1 2 3 Base Collector;connected to mounting base Emitter Fig.1 simplified outline (TO-3PN) and symbol DESCRIPTION Absolute maximum ratings(Ta= ) SYMBOL VCBO VCEO VEBO IC IB PC Tj Tstg PARAMETER Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Base current Collector power dissipation Junction temperature Storage temperature TC=25 CONDITIONS Open emitter Open base Open collector VALUE -180 -180 -6 -15 -4 130 150 -55~150 UNIT V V V A A W SavantIC Semiconductor Product Specification Silicon PNP Power Transistors C [ ... ]

2SA1492 PDF Datasheet Download