The IRF4905PBF is a P-channel power MOSFET designed by Infineon Technologies (formerly International Rectifier). It is commonly used in power management applications. Below are its key features:
- Type:
- Voltage Rating:
- Drain-to-Source Voltage (V<sub>DS</sub>): -55V.
- Current Handling:
- Continuous Drain Current (I<sub>D</sub>): -74A at 25°C.
- R<sub>DS(on)</sub>:
- Low on-resistance of 20mΩ (max) at a gate drive voltage of -10V, ensuring efficient switching with minimal power loss.
- Gate Threshold Voltage:
- V<sub>GS(th)</sub> (Gate-to-Source Threshold Voltage): Typically -2.0V to -4.0V.
- Package:
- Available in a TO-220 package, which is known for its good thermal performance and ease of mounting.
- Applications:
- Ideal for DC-DC converters, power management circuits, automotive systems, and high-efficiency power switching.
- Temperature Range:
- Operates within a junction temperature range of -55°C to +175°C, suitable for demanding and high-temperature environments.
The IRF4905PBF is known for its high current capacity, low on-resistance, and reliable performance in power management and switching applications, especially where a P-channel MOSFET is required.