This part is a kind of semiconductor called 2SA771.

Function of this product has POWER TRANSISTOR.

Manufacturers : Inchange Semiconductor

Image and pinout :

Some of the text within the PDF file :

www.net Inchange Semiconductor Product Specification Silicon PNP Power Transistors 2SA770 2SA771 DESCRIPTION ·With TO-220 package ·Complement to type 2SC1985/1986 ·Low collector saturation voltage APPLICATIONS ·For general and industrial purpose applications PINNING PIN 1 2 3 DESCRIPTION Emitter Collector;connected to mounting base Base Fig.1 simplified outline (TO-220) and symbol Absolute maximum ratings(Ta=25℃) SYMBOL PARAMETER 2SA770 VCBO Collector-base voltage 2SA771 2SA770 VCEO Collector-emitter voltage 2SA771 VEBO IC IB B CONDITIONS VALUE -60 UNIT Open emitter -80 -60 Open base -80 Open collector -6 -6 -3 TC=25℃ 40 150 -55~150 V V Emitter-base voltage Collector current Base current Collector power dissipation Junction temperature Storage temperature [ ... ]

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