This part is a kind of semiconductor called A1878.

Function of this product has 2SA1878.

Manufacturers : SavantIC

Image and pinout :

Some of the text within the PDF file :

SavantIC Semiconductor Silicon PNP Power Transistors DESCRIPTION ·With ITO-220 package ·Switching power transistor ·Low collector saturation voltage PINNING PIN 1 2 3 DESCRIPTION Base Collector Emitter Product Specification 2SA1878 Fig.1 simplified outline (ITO-220) and symbol Absolute maximum ratings(Ta=25 ) SYMBOL PARAMETER VCBO VCEO VEBO IC Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current ICM Collector current-Peak IB Base current IBM Base current-Peak PT Total power dissipation Tj Junction temperature Tstg Storage temperature CONDITIONS Open emitter Open base Open collector TC=25 VALUE -80 -80 -7 -5 -10 -1.5 -2.0 25 150 -55~150 UNIT V V V A A A A W SavantIC Semiconductor Silicon PNP Power Transistors www.Data [ ... ]

A1878 PDF Datasheet Download