This post explains for the semiconductor K2401.
The Part Number is K2401.
The function of this semiconductor is 2SK2401.
Manufacturers : Toshiba Semiconductor
Preview images :
2SK2401 TOSHIBA Field Effect Transistor Silicon N Channel MOS Type (π−MOSV) 2SK2401 Chopper Regulator, DC−DC Converter and Motor Drive Applications z Low drain−source ON resistance : RDS (ON) = 0.13 Ω (typ.) z High forward transfer admittance : |Yfs| = 17 S (typ.) z Low leakage current : IDSS = 100 μA (max) (VDS = 200 V) z Enhancement mode : Vth = 1.5~3.5 V (VDS = 10 V, ID = 1 mA) Unit: mm Absolute Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit Drain−source voltage Drain−gate voltage (RGS = 20 kΩ) Gate−source voltage Drain current DC (Note 1) Pulse (Note 1) Drain power dissipation (Tc = 25°C) Single pulse avalanche energy (Note 2) Avalanche current Repetitive avalanche energy (Note 3) Channel temperature Storage temperature range VDSS VDGR VGSS ID IDP PD EAS IAR EAR Tch Tstg 200 200 ±20 15 45 75 166 15 7.5 150 −55~150 V V V A A W mJ A mJ °C °C Note: Using continuously under heavy loads (e.g. the application of high temp […]