IRFR420APBF

Single FETs, MOSFETs Overview

The IRFR420APBF is a Vishay Siliconix N-Channel Power MOSFET in a DPAK (TO-252) package. It features a 500 V drain-source voltage and a maximum on-state resistance of 3.0 Ω at VGS = 10 V. The device supports a continuous drain current of 3.3 A at 25 °C case temperature, with a peak pulsed current capability of 10 A. Total gate charge is maximized at 17 nC. Thermal performance includes a junction-to-case resistance of 1.5 °C/W and a maximum power dissipation of 83 W at 25 °C.

Single FETs, MOSFETs Feature Summary

• Low gate charge facilitates simple drive requirements
• Improved ruggedness against avalanche events and dynamic dV/dt stress
• Fully characterized capacitance and avalanche voltage parameters

Single FETs, MOSFETs Applications

• Switch mode power supplies
• Uninterruptible power supplies
• High speed power switching

Single FETs, MOSFETs Procurement Notes

Verify the specific ordering suffix to confirm lead-free status and packaging format. Confirm that the component matches the required DPAK footprint and pinout for your PCB layout. Ensure thermal management aligns with the specified junction-to-case resistance ratings during operation.

Single FETs, MOSFETs Selection Notes

Select this component when high voltage blocking capability is required alongside moderate current handling in a surface-mount form factor. Evaluate the 3.0 Ω on-resistance against your conduction loss limits. Consider the 17 nC gate charge for driver selection and switching frequency constraints.

Single FETs, MOSFETs Part Context

This part belongs to the IRFR420A family, which includes variants like SiHFR420A and IRFU420A. These devices share identical electrical characteristics but differ in physical package types such as IPAK or tape-and-reel configurations. The family targets general-purpose high-voltage switching applications.

Single FETs, MOSFETs Replacement Considerations

Direct substitutes include IRFR420ATRPbF and SiHFR420A-GE3. Verify package compatibility and ensure replacement parts meet the same 500 V and 3.0 Ω specifications.