This part is a kind of semiconductor called A1667.

Function of this product has 2SA1667.

Manufacturers : SavantIC

Image and pinout :

Some of the text within the PDF file :

SavantIC Semiconductor wSwiwl.iDcatoaSnheePt4NU.cPomPower Transistors DESCRIPTION ·With TO-220F package ·Complement to type 2SC4381/4382 APPLICATIONS ·For TV vertical output ,audio output driver and general purpose applications PINNING PIN 1 2 3 DESCRIPTION Base Collector Emitter Product Specification 2SA1667 2SA1668 Fig.1 simplified outline (TO-220F) and symbol Absolute maximum ratings (Ta=25 ) SYMBOL PARAMETER CONDITIONS VCBO Collector-base voltage 2SA1667 2SA1668 Open emitter VCEO Collector-emitter voltage 2SA1667 2SA1668 Open base VEBO IC IB PC Tj Tstg Emitter-base voltage Collector current Base current Collector dissipation Junction temperature Storage temperature Open collector TC=25 VALUE -150 -200 -150 -200 -6 -2 -1 25 150 -55~150 UNIT V V V A A W SavantIC [ ... ]

A1667 PDF Datasheet Download