This part is a kind of semiconductor called 2SC4793.

Function of this product has NPN SILICON TRANSISTOR.

Manufacturers : UTC

Image and pinout :

Some of the text within the PDF file :

UNISONIC TECHNOLOGIES CO., LTD 2SC4793 NPN SILICON TRANSISTOR FEATURES *High transition frequency *Power amplifier applications *Driver stage amplifier applications 1 NPN SILICON TRANSISTOR TO-220F *Pb-free plating product number:2SC4793L ORDERING INFORMATION Order Number Normal Lead Free Plating 2SC4793-TF3-T 2SC4793L-TF3-T Package TO-220F Pin Assignment 1 2 3 B C E Packing Tube 2C4793L-TF3-T (1)Packing Type (2)Package Type (3)Lead Plating (1) T: Tube (2) TF3: TO-220F (3) L: Lead Free Plating, Blank: Pb/Sn www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd 1 of 4 QW-R219-009,A 2SC4793 ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current Base Current SYMBOL VCBO [ ... ]

2SC4793 PDF Datasheet Download