This part is a kind of semiconductor called C3795.

Function of this product has 2SC3795.

Manufacturers : Panasonic Semiconductor

Image and pinout :

Some of the text within the PDF file :

Power Transistors 2SC3795, 2SC3795A Silicon NPN triple diffusion planar type For high breakdown voltage high-speed switching s Features q q q q Parameter Collector to base voltage Collector to 2SC3795 2SC3795A 2SC3795 Symbol VCBO VCES VCEO VEBO ICP IC IB Ratings 800 900 800 900 500 8 10 5 3 40 2 150 –55 to +150 Unit V 16.7±0.3 s Absolute Maximum Ratings (TC=25˚C) 7.5±0.2 φ3.1±0.1 4.2±0.2 High-speed switching High collector to base voltage VCBO Low collector to emitter saturation voltage VCE(sat) Full-pack package which can be installed to the heat sink with one screw Unit: mm 0.7±0.1 10.0±0.2 5.5±0.2 2.7±0.2 4.2±0.2 4.0 1.4±0.1 1.3±0.2 Solder Dip emitter voltage 2SC3795A Collector to emitter voltage Emitter to base voltage Peak collecto [ ... ]

C3795 PDF Datasheet Download