This part is a kind of semiconductor called B1470.

Function of this product has 2SB1470.

Manufacturers : SavantIC

Image and pinout :

Some of the text within the PDF file :

SavantIC Semiconductor Silicon PNP Power Transistors DESCRIPTION ·With TO-3PL package ·Complement to type 2SD2222 ·High DC current gain ·Low collector saturation voltage ·DARLINGTON APPLICATIONS ·For power amplification PINNING PIN 1 2 3 DESCRIPTION Base Collector;connected to mounting base Emitter Product Specification 2SB1470 Fig.1 simplified outline (TO-3PL) and symbol Absolute maximum ratings(Ta=25 ) SYMBOL PARAMETER VCBO Collector-base voltage VCEO Collector-emitter voltage VEBO Emitter-base voltage IC Collector current ICM Collector current-peak PC Collector power dissipation Tj Junction temperature Tstg Storage temperature CONDITIONS Open emitter Open base Open collector TC=25 Ta=25 VALUE -160 -160 -5 -8 -15 120 3.5 150 -55~150 UNIT V V [ ... ]

B1470 PDF Datasheet Download