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IRFI9540GPBF

Auth: Date:2026/3/25 Source:WECHIP Visit:6 Related Key Words: P‑Channel Low On-Resistance high voltage TO‑220 package

I.Overview of IRFI9540GPBF

The IRFI9540GPBF is a P‑Channel power MOSFET manufactured by Vishay Siliconix. Designed for high‑voltage switching applications, this device offers a drain‑to‑source voltage of 100V and a continuous drain current of 11A. Housed in a fully isolated TO‑220‑3 package, it simplifies thermal management and provides electrical isolation, making it ideal for power supplies, motor drives, and switching applications requiring reliable performance.

 

II.IRFI9540GPBF Parameter

Category:Discrete Semiconductor Products;Transistors;FETs, MOSFETs;Single FETs, MOSFETs

Mfr:Vishay Siliconix

Packaging:Tube

Part Status:Active

FET Type:P-Channel

Technology:MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):100 V

Current - Continuous Drain (Id) @ 25°C:11A (Tc)

Drive Voltage (Max Rds On, Min Rds On):10V

Rds On (Max) @ Id, Vgs:200mOhm @ 6.6A, 10V

Vgs(th) (Max) @ Id:4V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:61 nC @ 10 V

Vgs (Max):±20V

Input Capacitance (Ciss) (Max) @ Vds:1400 pF @ 25 V

Power Dissipation (Max):48W (Tc)

Operating Temperature:-55°C ~ 175°C (TJ)

Mounting Type:Through Hole

Supplier Device Package:TO-220-3

Package / Case:TO-220-3 Full Pack, Isolated Tab

Base Product Number:IRFI9540

 

III.IRFI9540GPBF Main Characteristics

P-Channel Operation: Simplifies high‑side switching configurations without the need for level‑shifting circuits.

100V Drain-to-Source Voltage: Suitable for 48V and 60V systems, as well as offline power supplies.

11A Continuous Drain Current: Capable of handling moderate to high power loads.

Isolated Package: The TO‑220 Full Pack design features an isolated tab, eliminating the need for additional insulation hardware.

Low On-Resistance: 200mΩ maximum at 10V reduces conduction losses.

Wide Operating Temperature: -55°C to 175°C range supports harsh environments.

Through-Hole Mounting: Simplifies prototyping and provides robust mechanical attachment.

 

IV.IRFI9540GPBF Application 

Power Supplies: Switching power supplies, DC‑DC converters, and offline converters.

Motor Control: High‑side switching for brushed DC motors and solenoids.

Battery Protection: Battery management systems requiring high‑side switching.

Inverters: Inverter stages in uninterruptible power supplies (UPS) and motor drives.

Industrial Equipment: Power management in automation, welding, and test equipment.

 

V.Conclusion

The IRFI9540GPBF from Vishay Siliconix is a robust P‑Channel MOSFET that combines high voltage capability, moderate current handling, and a convenient isolated TO‑220 package. Its P‑Channel configuration simplifies high‑side drive circuits, while the fully isolated tab enhances system safety and thermal management. This device is an excellent choice for power conversion, motor control, and switching applications requiring dependable performance.


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