IRF9540
SKU: R3-F-12-9
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Description:
The IRF9540 is a P-Channel power MOSFET designed for high-side switching and power management applications. It is widely used in battery-powered systems, power supplies, and load switching circuits due to its ability to handle high voltage and current with reliable performance.

Specifications:

  • Type: P-Channel MOSFET
  • Drain-Source Voltage (Vds): -100V
  • Continuous Drain Current (Id): -19A to -23A
  • Pulsed Drain Current: Up to -70A
  • Gate Threshold Voltage: -2V to -4V
  • Rds(on): ~0.117Ω – 0.2Ω @ Vgs = -10V
  • Gate-Source Voltage: ±20V
  • Power Dissipation: ~140W
  • Package: TO-220

Features:

  • High voltage capability (up to -100V)
  • Suitable for high-side switching applications
  • Moderate on-resistance for efficient operation
  • Fast switching performance
  • Rugged and reliable design

Applications:

  • High-side load switching
  • Battery protection and management circuits
  • Power supply circuits
  • Motor control systems
  • Inverter and DC switching applications

Pin Configuration:

  • Gate (G) → Control input
  • Drain (D) → Load
  • Source (S) → Supply

Important Note:

  • Requires proper gate drive (negative Vgs) for full switching
  • Not suitable for direct low-voltage logic control without driver
  • Used typically with N-channel MOSFETs in push-pull or H-bridge circuits

Package Includes:

  • 1 × IRF9540 MOSFET

Disclaimer:
No warranty. No guarantee. No return. No replacement.

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