IRF840N IOR N-Channel Power MOSFET – 500V TO-220

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.

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

1. Mount on a suitable heatsink using thermal compound.
2. Use proper gate drive voltage for efficient switching.
3. Ensure correct drain, source, and gate wiring.
4. Add snubber circuits for voltage spike protection if required.
5. Operate within rated voltage and thermal limits.