This part is a kind of semiconductor called 2SC5143.

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 NPN Power Transistors DESCRIPTION ·With TO-3P(H)IS package ·High speed ·High voltage ·Low saturation voltage ·Bult-in damper diode APPLICATIONS ·Horizontal deflection output for high resolution display,colorTV ·High speed switching applications PINNING PIN 1 2 3 Base Collector Emitter DESCRIPTION 2SC5143 Fig.1 simplified outline (TO-3P(H)IS) and symbol Absolute maximum ratings(Ta=25 ) SYMBOL VCBO VCEO VEBO IC ICM IB PT Tj Tstg PARAMETER Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Collector current-Peak Base current Total power dissipation Junction temperature Storage temperature TC=25 CONDITIONS Open emitter Open base Open collector VALUE 1700 700 5 10 20 5 50 1 [ ... ]

2SC5143 PDF Datasheet Download