This part is a kind of semiconductor called 2SA1658.

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 2SA1658 DESCRIPTION ·With TO-220F package ·Complement to type 2SC4369 ·Good linearity of hFE APPLICATIONS ·For 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 dissipation Junction temperature Storage temperature TC=25 CONDITIONS Open emitter Open base Open collector VALUE -30 -30 -5 -3 -0.3 15 150 -55~150 UNIT V V V A A W SavantIC Semiconductor Product Specification Silicon PNP Power Transistors [ ... ]

2SA1658 PDF Datasheet Download