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IRFI540NPBF
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IRFI540NPBF Description
IRFI540NPBF Description
The IRFI540NPBF from Infineon Technologies is an N-channel HEXFET® power MOSFET designed for high-efficiency switching applications. With a 100V drain-to-source voltage (Vdss) and 20A continuous drain current (Id), it delivers robust performance in demanding circuits. Its low on-resistance (Rds(on)) of 52mΩ at 10V Vgs ensures minimal conduction losses, while the 94nC gate charge (Qg) and 1400pF input capacitance (Ciss) enable fast switching speeds. Packaged in a TO-220AB FP through-hole format, it is suitable for high-power designs requiring reliable thermal management.
IRFI540NPBF Features
- High Voltage & Current Handling: 100V Vdss and 20A Id (Tc) for power-intensive applications.
- Low Rds(on): 52mΩ @ 10V Vgs reduces power dissipation and improves efficiency.
- Fast Switching: Optimized gate charge (94nC) and capacitance (1400pF) for high-frequency operation.
- Robust Construction: TO-220AB FP package with 54W max power dissipation (Tc) for thermal reliability.
- Wide Vgs Range: ±20V gate drive compatibility for flexible design integration.
- Compliance: ROHS3, REACH Unaffected, and MSL 1 (Unlimited) for environmental and handling safety.
IRFI540NPBF Applications
- Power Supplies: High-efficiency DC-DC converters and SMPS designs.
- Motor Control: H-bridge drivers and PWM-controlled motor systems.
- Automotive Systems: Load switching and ignition circuits.
- Industrial Equipment: Inverters, UPS, and high-current switching modules.
- Audio Amplifiers: Class-D amplifier output stages for low distortion.
Conclusion of IRFI540NPBF
The IRFI540NPBF stands out for its low Rds(on), high current capability, and fast switching performance, making it ideal for power electronics requiring efficiency and reliability. Its TO-220AB FP package ensures easy mounting and heat dissipation, while Infineon’s HEXFET® technology guarantees durability. Whether in industrial, automotive, or consumer applications, this MOSFET combines performance with compliance, offering a superior alternative to comparable models in its class.



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