This post explains for the MOSFET.
The Part Number is K3532-01MR, 2SK3532-01MR.
The function of this semiconductor is N-CHANNEL SILICON POWER MOSFET.
Manufacturer: Fuji Electric
Package: TO-220F type
Preview images :
Description
The K3532-01MR is N-CHANNEL SILICON POWER MOSFET.
Absolute Maximum Ratings (Ta = 25°C)
1. Drain to source Voltage: VDSS = 900 V
2. Gate to source Voltage: VGSS = ± 30 V
3. Drain current: ID = 6 A
4. Drain Power Dissipation: Pd = 70 w
5. Channel temperature: Tch = 150 °C
6. Storage temperature: Tstg = -55 to +150 °C
Features
1. High speed switching
2. Low on-resistance
3. No secondary breadown
4. Low driving power
5. Avalanche-proof
Applications
1. Switching regulators
2. UPS (Uninterruptible Power Supply)
3. DC-DC converters
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Pinout: 1. Gate 2. Drain 3. Source