This part is a kind of semiconductor called 2SC3307.

Function of this product has Silicon NPN Triple Diffused Type TRANSISTOR.

Manufacturers : Toshiba Semiconductor

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Some of the text within the PDF file :

TOSHIBA Transistor Silicon NPN Triple Diffused Type 2SC3307 2SC3307 High-Speed and High-Voltage Switching Applications Switching Regulator Applications High-Speed DC-DC Converter Applications Industrial Applications Unit: mm • Excellent switching times: tr = 1.0 μs (max), tf = 1.0 μs (max) (IC = 5 A) • High collector breakdown voltage: VCEO = 800 V Absolute Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current DC Pulse Base current Collector power dissipation (Tc = 25°C) Junction temperature Storage temperature range VCBO VCEO VEBO IC ICP IB PC Tj Tstg 900 800 7 10 15 3 150 150 −55 to 150 V V V A A W °C °C JEDEC ― JEITA ― TOSHIBA 2-21F1A Weight: 9.75 [ ... ]

2SC3307 PDF Datasheet Download