This part is a kind of semiconductor called C1473A.

Function of this product has 2SC1473.

Manufacturers : Panasonic Semiconductor

Image and pinout :

Some of the text within the PDF file :

Transistor 2SC1473, 2SC1473A Silicon NPN triple diffusion planer type For general amplification 2SC1473 complementary to 2SA1018 2SC1473A complementary to 2SA1767 Unit: mm 5.0±0.2 4.0±0.2 s Features q q s Absolute Maximum Ratings Parameter Collector to base voltage Collector to 2SC1473 2SC1473A 2SC1473 VCEO VEBO ICP IC PC Tj Tstg Symbol VCBO (Ta=25˚C) Ratings 250 300 200 300 7 100 70 750 150 –55 ~ +150 Unit V 0.45 –0.1 1.27 +0.2 13.5±0.5 High collector to emitter voltage VCEO. High transition frequency fT. 5.1±0.2 0.45 –0.1 1.27 +0.2 emitter voltage 2SC1473A Emitter to base voltage Peak collector current Collector current Collector power dissipation Junction temperature Storage temperature V V mA mA mW ˚C ˚C 2.3±0.2 1 2 3 2.54±0.15 1:Emitt [ ... ]

C1473A PDF Datasheet Download