This part is a kind of semiconductor called 2SC4793.

Function of this product has Silicon NPN Epitaxial Type TRANSISTOR.

Manufacturers : Toshiba Semiconductor

Image and pinout :

Some of the text within the PDF file :

TOSHIBA Transistor Silicon NPN Epitaxial Type 2SC4793 Power Amplifier Applications Driver Stage Amplifier Applications 2SC4793 Unit: mm • High transition frequency: fT = 100 MHz (typ.) • Complementary to 2SA1837 Absolute Maximum Ratings (Tc = 25°C) Characteristics Symbol Rating Unit Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Base current Collector power dissipation Ta = 25°C Tc = 25°C VCBO VCEO VEBO IC IB PC 230 V 230 V 5V 1A 0.1 A 2.0 W 20 JEDEC ― Junction temperature Storage temperature range Tj 150 °C Tstg −55 to 150 °C JEITA TOSHIBA ― 2-10R1A Note: Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in Weight: 1.7 g (typ.) tempera [ ... ]

2SC4793 PDF Datasheet Download