This part is a kind of semiconductor called 2SA1567.
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 2SA1567 DESCRIPTION ·With TO-220F package ·Complement to type 2SC4064 ·Low collector-emitter saturation voltage APPLICATIONS ·For DC motor driver ,chopper regulator and general purpose applications PINNING PIN 1 2 3 Base Collector Emitter Fig.1 simplified outline (TO-220F) 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 CONDITIONS Open emitter Open base Open collector VALUE -50 -50 -6 -12 -3 35 150 -55~150 UNIT V V V A A W SavantIC Semiconductor www.DataShee [ ... ]
2SA1567 PDF Datasheet Download
