This part is a kind of semiconductor called 2SD2493.

Function of this product has Silicon NPN Triple Diffused Planar Transistor(Audio/ Series Regulator and General Purpose).

Manufacturers : Sanken electric

Image and pinout :

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Equivalent circuit C Darlington sAbsolute maximum ratings (Ta=25°C) Symbol VCBO VCEO VEBO IC IB PC Tj Tstg 2SD2493 110 110 5 6 1 60(Tc=25°C) 150 –55 to +150 Unit V V V A A W °C °C 2SD2493 sElectrical Characteristics Symbol ICBO IEBO V(BR)CEO hFE VCE(sat) VBE(sat) fT COB Conditions VCB=110V VEB=5V IC=30mA VCE=4V, IC=5A IC=5A, IB=5mA IC=5A, IB=5mA VCE=12V, IE=–2A VCB=10V, f=1MHz 2SD2493 100max 100max 110min 5000min∗ 2.5max 3.0max 60typ 55typ V V MHz pF 20.0min 4.0max 3 1.05 +0.2 -0.1 5.45±0.1 B C E 5.45±0.1 B (7 0 Ω ) E Silicon NPN Triple Diffused Planar Transistor (Complement to type 2SB1624) Application : Audio, Series Regulator and General Purpose (Ta=25°C) Unit 5.0±0.2 External Dimensions MT-100(TO3P) 15.6±0.4 9.6 2.0 1.8 4.8±0.2 2.0±0.1 µA µA 19.9±0.3 V [ ... ]

2SD2493 PDF Datasheet Download