This part is a kind of semiconductor called C3507.
Function of this product has 2SC3507.
Manufacturers : Panasonic
Image and pinout :
Some of the text within the PDF file :
Power Transistors 2SC3507 Silicon NPN triple diffusion planar type For high breakdown voltage high-speed switching 15.0±0.3 (0.7) Unit: mm 5.0±0.2 (3.2) 11.0±0.2 ■ Features • High-speed switching • High collector-base voltage (Emitter open) VCBO • Satisfactory linearity of forward current transfer ratio hFE • Full-pack package which can be installed to the heat sink with one screw www.DataSheet4U.com ■ Absolute 21.0±0.5 φ 3.2±0.1 15.0±0.2 (3.5) Solder Dip 2.0±0.2 1.1±0.1 2.0±0.1 0.6±0.2 Maximum Ratings TC = 25°C Symbol VCBO VCES VCEO VEBO IC IB ICP PC Tj Tstg Ta = 25°C Rating 1 000 1 000 800 7 5 3 10 80 3.0 150 −55 to +150 °C °C Unit V V V V A A A W Parameter Collector-base voltage (Emitter open) Collector-emitter voltage (E-B short) Collector-emitter v [ ... ]