This part is a kind of semiconductor called C3263.

Function of this product has 2SC3263.

Manufacturers : Sanken electric

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Some of the text within the PDF file :

LAPT 2SC3263 Application : Audio and General Purpose (Ta=25°C) 2SC3263 100max 100max 230min 50min∗ 2.0max 60typ 250typ V pF 20.0min 4.0max Silicon NPN Epitaxial Planar Transistor (Complement to type 2SA1294) sAbsolute maximum ratings (Ta=25°C) Symbol VCBO VCEO VEBO IC IB PC Tj Tstg 2SC3263 230 230 5 15 4 130(Tc=25°C) 150 –55 to +150 Unit V V V A A W °C °C sElectrical Characteristics Symbol ICBO IEBO V(BR)CEO hFE VCE(sat) fT COB Conditions VCB=230V VEB=5V IC=25mA VCE=4V, IC=5A IC=5A, IB=0.5A VCE=12V, IE=–2A VCB=10V, f=1MHz External Dimensions MT-100(TO3P) 5.0±0.2 15.6±0.4 9.6 2.0 1.8 4.8±0.2 2.0±0.1 Unit µA µA 19.9±0.3 4.0 V a b ø3.2±0.1 MHz 2 3 1.05 +0.2 -0.1 0.65 +0.2 -0.1 1.4 ∗hFE Rank O(50 to 100), Y(70 to 140) sTypical Switching Characteristics (Comm [ ... ]

C3263 PDF Datasheet Download