This part is a kind of semiconductor called C4927.

Function of this product has 2SC4927.

Manufacturers : Hitachi

Image and pinout :

Some of the text within the PDF file :

2SC4927 Silicon NPN Triple Diffused Application TV/character display horizontal deflection output Features • High breakdown voltage VCES = 1500 V • Built-in damper diode type • Isolated package TO-3PFM Outline TO-3PFM 2 1. Base 2. Collector 3. Emitter 1 ID 1 2 3 3 2SC4927 Absolute Maximum Ratings (Ta = 25°C) Item Collector to emitter voltage Emitter to base voltage Collector current Collector peak current Collector surge current Collector power dissipation Junction temperature Storage temperature C to E diode forward current Note: 1. Value at TC = 25°C. Symbol VCES VEBO IC IC(peak) IC(surge) PC* Tj Tstg ID 1 Ratings 1500 6 8 9 18 50 150 –55 to +150 8 Unit V V A A A W °C °C A Electrical Characteristics (Ta = 25°C) Item Emi [ ... ]

C4927 PDF Datasheet Download