IRFP240 is an N channel mosfet used for power applications such as inverter circuit, Class d amplifier, Other power audio sources and Switching circuit. The IRFP240 MOSFETs offer fast switching and low on-resistance. In this article I’m sharing the details about the Pinout, Equivalent and characteristics of IRFP240 Mosfet.
IRFP240 Pinout
This N channel mosfet comes in TO-247 package with three pin legs. A large surface of the heat sink area is available for good heat dissipation during high current handling.
1 – Gate
2 – Drain – Also connected to the metal tab
3 – Source
Features and Characteristics
| Parameter | Value |
| Type | N Channel MOSFET |
| Maximum Drain-Source Voltage (VDS) | 200 V |
| Maximum Continuous Drain Current (ID) | 20 A |
| Maximum Pulsed Drain Current (IDM) | 80 A |
| Gate Threshold Voltage | 2.0 – 4.0 V |
| RDS(on) @ VGS=10V | 0.18 Ω |
| Total Gate Charge (Qg) | 70 nC |
| Power Dissipation (PD) | 150 W |
| Operating Temperature | -55°C to +150°C |
| Package | TO-247 |
Switching Performance of IRFP240 Mosfet
- Its Turn On Delay Time is 14 ns. Which is very fast compared with other mosfets.
- Rise Time is 51 ns.
- Turn Off Delay Time is 45 ns.
- Fall Time is 36 ns.
Advantages
- Fast switching capabilities.
- Low on resistance.
- High power dissipation capacity.
- Avalanche energy rated.
- Suitable for parallel operation.
Applications
- Power amplifiers.
- Power supplies and converters.
- Motor control.
- Audio amplifiers.
- UPS and inverters.
IRFP240 Equivalents
If the IRFP240 is not available in your local market or difficult to get, at this time you can consider the replacement with the following MOSFETs as substitutes.
| Equivalent MOSFET | Notes |
| IRFP250 | Higher current (30 A), 200V rating |
| IRFP260 | 50 A, 200V, lower RDS |
| IRF640 | Lower power, TO-220 package. |
| STW20NM50 | 500V VDS, 20A |
| IXFH21N50 | 21 A, 500V |
Conclusion
The IRFP240 is a power N channel MOSFET used for medium to high-power applications. It provides efficient switching and current handling is the key feature. The mosfet available in TO-247 package.
