IRF740 400V 10A

IRF740 400V 10A

550.00

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.

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