This part is a kind of semiconductor called C3074.
Function of this product has 2SC3074.
Manufacturers : Toshiba Semiconductor
Image and pinout :
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TOSHIBA Transistor Silicon NPN Epitaxial Type (PCT process) 2SC3074 2SC3074 High Current Switching Applications Unit: mm • Low collector saturation voltage: VCE (sat) = 0.4 V (max) (IC = 3 A) • High speed switching time: tstg = 1.0 μs (typ.) • Complementary to 2SA1244 Absolute Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit Collector-base voltage VCBO 60 V Collector-emitter voltage VCEO 50 V Emitter-base voltage VEBO 5 V Collector current IC 5 A Base current IB 1 A Collector power dissipation Ta = 25°C Tc = 25°C PC 1.0 W 20 Junction temperature Storage temperature range Tj 150 °C Tstg −55 to 150 °C JEDEC JEITA ― ― Note: Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the signi [ ... ]