This post explains for the mosfet 2SK3797.
The Part Number is K3797.
The function of this semiconductor is 600V, N-Channel MOSFET.
The package is TO-220 Type.
Manufacturer: Toshiba Semiconductor
Preview images :
Description
K3797 is 600V, Silicon N-Channel MOS Type Transistor.
Features:
• Low drain-source ON resistance: RDS (ON) = 0.32Ω (typ.)
• High forward transfer admittance: |Yfs| = 7.5 S (typ.)
• Low leakage current: IDSS = 100 μA (VDS = 600 V)
• Enhancement model: Vth = 2.0~4.0 V (VDS = 10 V, ID = 1 mA)
Absolute Maximum Ratings (Ta = 25°C)
1. Drain to source voltage: VDSS = 600 V
2. Gate to source voltage: VGSS = ± 30 V
3. Drain current: ID = 13 A
4. Allowable Power Dissipation: Pd = 50 W
5. Channel temperature: Tch = 150 °C
6. Storage temperature: Tstg = -55 to +150 °C
Applications:
1. Switching Regulator