This part is a kind of semiconductor called C4934.

Function of this product has 2SC4934.

Manufacturers : HITACHI

Image and pinout :

Some of the text within the PDF file :

2SC4934 Silicon NPN Epitaxial Application High voltage amplifier TO–126FM Ordering Information hFE 1 2 3 2SC4934D 2SC4934E 250 to 500 400 to 800 1. Emitter 2. Collector 3. Base Absolute Maximum Ratings (Ta = 25°C) Item Collector to base voltage Collector to emitter voltage Emitter to base voltage Collector current Collector power dissipation Collector power dissipation Junction temperature Storage temperature Note: 1. Value at TC = 25°C. Symbol VCBO VCEO VEBO IC PC PC*1 Tj Tstg Rating 120 120 5 0.2 1.5 8 150 –55 to +150 Unit V V V A W W °C °C [ ... ]

C4934 PDF Datasheet Download