This post explains for the MOSFET.
The Part Number is K1191, 2SK1191.
The function of this semiconductor is 60V, 30A, MOSFET.
The package is TO-220 Type
Manufacturer: Sanken electric
Preview images :
Description
K1191 is 60V, 30A, N-Channel MOSFET.
Absolute Maximum Ratings (Ta = 25°C)
1. Drain to source voltage: VDSS = 60 V
2. Gate to source voltage: VGSS = ± 20 V
3. Drain current: ID = 30 A
4. Total Power Dissipation: Pd = 40 W
5. Channel temperature: Tch = 150 °C
6. Storage temperature: Tstg = -55 to +150 °C
Applications:
K1191 PDF Datasheet
