This part is a kind of semiconductor called C5905.

Function of this product has 2SC5905.

Manufacturers : Panasonic Semiconductor

Image and pinout :

Some of the text within the PDF file :

Power Transistors 2SC5905 Silicon NPN triple diffusion mesa type Horizontal deflection output for TV, CRT monitor 15.5±0.5 (10.0) Unit: mm φ 3.2±0.1 5˚ (4.5) 3.0±0.3 5˚ ■ Features • High breakdown voltage: VCBO ≥ 1 700 V • High-speed switching: tf < 200 ns • Wide safe operation area 26.5±0.5 (23.4) (2.0) 5˚ (4.0) 2.0±0.2 1.1±0.1 0.7±0.1 5.45±0.3 10.9±0.5 5.5±0.3 5˚ 5˚ ■ Absolute Maximum Ratings TC = 25°C Parameter Symbol VCBO VCES VCEO VEBO IB IC ICP PC Tj Tstg Ta = 25°C Junction temperature Storage temperature Rating 1 700 1 700 600 7 8 20 30 70 Unit V Collector-base voltage (Emitter open) Collector-emitter voltage (E-B short) Collector-emitter voltage (Base open) Emitter-base voltage (Collector open) Base cu [ ... ]

C5905 PDF Datasheet Download