IRF740 400V 10A

The IRF740 is a high-voltage, high-current N-channel power MOSFET designed for switching and amplification applications. It is widely used in power supplies, motor controls, and other high-voltage circuits due to its efficient performance and reliable operation.

Key Features:

• N-channel enhancement mode MOSFET
• High voltage rating: 400V
• High current rating: 10A
• Low on-resistance for efficient switching
• Fast switching speed
• Rugged construction for high reliability
• Suitable for high-frequency applications

Technical Specifications:

• Type: N-channel MOSFET
• Drain-Source Voltage (Vds): 400V
• Continuous Drain Current (Id): 10A
• Pulsed Drain Current (Id, Pulse): 40A
• Gate-Source Voltage (Vgs): ±20V
• Rds(on): 1.0Ω (maximum) at Vgs = 10V
• Total Gate Charge (Qg): 67nC (typical)
• Gate-Source Threshold Voltage (Vgs(th)): 2.0V – 4.0V
• Power Dissipation (Pd): 125W
• Operating Temperature Range: -55°C to +150°C
• Package Type: TO-220

Applications:

• Switched-mode power supplies (SMPS)
• Motor control circuits
• Inverters and converters
• High-voltage DC-DC converters
• Load switches
• Lighting ballasts
• Audio amplifiers

Usage:

1. Connect the drain terminal to the high-voltage load.
2. Connect the source terminal to the ground or low-side of the circuit.
3. Apply a suitable gate voltage (Vgs) to control the switching operation.
4. Use a gate resistor if needed to control the switching speed and reduce noise.
5. Ensure proper heat sinking to manage power dissipation and avoid overheating.

Caution:

• Handle the MOSFET carefully to avoid damage from electrostatic discharge (ESD).
• Verify the voltage and current ratings before use to ensure compatibility with your circuit.
• Ensure adequate cooling and heat dissipation to prevent thermal overload.

Datasheet:
For detailed technical specifications, refer to the IRF740 Datasheet.