This part is a kind of semiconductor called 2SC5242.

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 2SC5242 DESCRIPTION ·With TO-3P(I) package ·Complement to type 2SA1962 ·High collector voltage: VCEO=230V(Min) APPLICATIONS ·Power amplifier applications ·Recommend for 80W high fidelity audio frequency amplifier output stage PINNING PIN 1 2 3 Base Collector;connected to mounting base Emitter Fig.1 simplified outline (TO-3P(I)) and symbol DESCRIPTION Absolute maximum ratings(Tc=25 ) SYMBOL VCBO VCEO VEBO IC IB PC Tj Tstg PARAMETER Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Base current Collector power dissipation Junction temperature Storage temperature TC=25 Open emitter Open base Open collector CONDITIONS VALUE 230 230 5 15 1.5 130 150 -5 [ ... ]

2SC5242 PDF Datasheet Download