This part is a kind of semiconductor called D2141.

Function of this product has 2SD2141.

Manufacturers : Allegro Micro Systems

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Equivalent circuit C Built-in Avalanche Diode for Surge Absorbing Darlington 2SD2141 sElectrical Characteristics Symbol ICBO IEBO V(BR)CEO hFE VCE(sat) fT COB Conditions VCB=330V VEB=6V IC=25mA VCE=2V, IC=3A IC=4A, IB=20mA VCE=12V, IE=–0.5A VCB=10V, f=1MHz 2SD2141 10max 20max 330 to 430 1500min 1.5max 20typ 95typ V MHz pF 13.0min B (1.5k Ω)(100 Ω) E Silicon NPN Triple Diffused Planar Transistor sAbsolute maximum ratings (Ta=25°C) Symbol VCBO VCEO VEBO IC IB PC Tj Tstg 2SD2141 380±50 380±50 6 6(Pulse10) 1 35(Tc=25°C) 150 –55 to +150 Unit V V V A A W °C °C Application : Ignitor, Driver for Solenoid and Motor, and General Purpose (Ta=25°C) Unit External Dimensions FM20(TO220F) 4.0±0.2 10.1±0.2 4.2±0.2 2.8 c0.5 µA V 16.9±0.3 8.4±0.2 mA 1.35±0.15 1.35±0.15 0.85 [ ... ]

D2141 PDF Datasheet Download