This part is a kind of semiconductor called 2SA1516.

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 2SA1516 DESCRIPTION ·With TO-3P(I) package ·Complement to type 2SC3907 ·High collector voltage APPLICATIONS ·Power amplifier applications ·Recommend for 80W high fidelity audio frequency amplifier output stage PINNING PIN 1 2 3 Emitter Collector;connected to mounting base Base Fig.1 simplified outline (TO-3P(I)) and symbol DESCRIPTION Absolute maximum ratings (Ta=25 ) 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 Open emitter Open base Open collector CONDITIONS VALUE -180 -180 -5 -12 -1.2 130 150 -55~150 UNIT [ ... ]

2SA1516 PDF Datasheet Download