This part is a kind of semiconductor called C4299.

Function of this product has 2SC4299.

Manufacturers : Sanken electric

Image and pinout :

Some of the text within the PDF file :

2SC4299 Silicon NPN Triple Diffused Planar Transistor (High Voltage Switchihg Transistor) sAbsolute maximum ratings Symbol VCBO VCEO VEBO IC IB PC Tj Tstg 2SC4299 900 800 7 3(Pulse6) 1.5 70(Tc=25°C) 150 –55 to +150 (Ta=25°C) Unit V V V A A W °C °C Application : Switching Regulator and General Purpose (Ta=25°C) 2SC4299 100max 100max 800min 10 to 30 0.5max 1.2max 6typ 50typ V V 16.2 sElectrical Characteristics Symbol ICBO IEBO V(BR)CEO hFE VCE(sat) VBE(sat) fT COB Conditions VCB=800V VEB=7V IC=10mA VCE=4V, IC=1A IC=1A, IB=0.2A IC=1A, IB=0.2A VCE=12V, IE=–0.3A VCB=10V, f=1MHz External Dimensions FM100(TO3PF) 0.8±0.2 15.6±0.2 5.5±0.2 3.45 ±0.2 5.5 ø3.3±0.2 1.6 Unit µA 23.0±0.3 V 9.5±0.2 µA a b MHz pF 1.75 2.15 1.05 5.45±0.1 1.5 4.4 +0.2 -0.1 [ ... ]

C4299 PDF Datasheet Download