Description
IRF840N IOR N-Channel Power MOSFET – 500V TO-220
The IRF840N IOR N-Channel Power MOSFET is a high-voltage switching transistor designed for reliable operation in demanding power electronics applications. With a 500V drain-source voltage rating, this MOSFET is suitable for medium- to high-voltage circuits requiring stable switching performance. Manufactured under the IOR (International Rectifier) brand, the IRF840N offers dependable quality and consistent electrical characteristics. Supplied in a rugged TO-220 package, it allows efficient heatsink mounting for improved thermal performance. It is widely used in SMPS primary stages, inverters, UPS systems, electronic ballasts, and industrial power supplies.
| Specification | Details |
|---|---|
| Part Number | IRF840N |
| Brand | IOR (International Rectifier) |
| Device Type | N-Channel Power MOSFET |
| Drain-Source Voltage (Vds) | 500V |
| Drain Current (Id) | High Voltage Class |
| Package Type | TO-220 |
Applications
- SMPS and switching power supplies
- Inverters and UPS systems
- High-voltage DC switching
- Electronic ballasts
- Industrial power electronics
- Power factor correction circuits
How to Use
- Mount on a suitable heatsink using thermal compound.
- Use proper gate drive voltage for efficient switching.
- Ensure correct drain, source, and gate wiring.
- Add snubber circuits for voltage spike protection if required.
- Operate within rated voltage and thermal limits.
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