This part is a kind of semiconductor called 2SA1859A.

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 2SA1859 2SA1859A DESCRIPTION ·With TO-220F package ·Complement to type 2SC4883/4883A APPLICATIONS ·For audio output driver and TV velocity-modulation applications PINNING PIN 1 2 3 Base Collector Emitter Fig.1 simplified outline (TO-220F) and symbol DESCRIPTION Absolute maximum ratings (Ta=25 ) SYMBOL PARAMETER 2SA1859 VCBO Collector-base voltage 2SA1859A 2SA1859 VCEO Collector-emitter voltage 2SA1859A VEBO IC IB PC Tj Tstg Emitter-base voltage Collector current Base current Collector dissipation Junction temperature Storage temperature TC=25 Open collector Open base -180 -6 -2 -1 20 150 -55~150 V A A W Open emitter -180 -150 V CONDITIONS VALUE -150 V UNIT SavantIC Semiconductor www.Data [ ... ]

2SA1859A PDF Datasheet Download