Description
Description
The IR4905 is a high-current P-channel power MOSFET designed for low-voltage, high-side switching applications. It supports a drain-source voltage of 55V and a continuous drain current of up to 74A, making it suitable for power distribution, battery management, and motor control systems. With a low on-resistance of approximately 0.02, it minimizes conduction losses and improves efficiency in DC power circuits. Its fast switching performance and rugged avalanche capability make it ideal for high-current power control applications.
Features
- P-channel power MOSFET structure
- High-side switching capability
- Drain-source voltage up to 55V
- Continuous drain current up to 74A
- Low RDS(on) of approximately 0.02
- Fast switching characteristics
- Reduced conduction losses
- Suitable for battery-powered systems
- Avalanche rated for rugged operation
- TO-220 package for effective heatsinking
- Ideal for motor and load switching
- Efficient power management performance
- Reliable for automotive and industrial applications
- Easy PCB mounting with through-hole package
Specifications
- Model: IR4905
- Device Type: Power MOSFET
- Channel Type: P-Channel
- Drain-Source Voltage (VDS): -55V
- Continuous Drain Current (ID): -74A
- Gate-Source Voltage (VGS): 20V
- Drain-Source On-Resistance (RDS(on)): Approximately 0.02
- Total Gate Charge (Qg): Approximately 170nC
- Power Dissipation: Approximately 200W
- Package Type: TO-220
- Mounting Type: Through-Hole
- Avalanche Rated: Yes
- Operating Temperature Range: -55C to +175C
- Application Type: High-Side Power Switching
Links
- 3D Model
- Datasheet
Tutorials
- [SGeC] IRF4905 High Power & Current P-Channel MOSFET 55V-74A-200W
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