IRFI4321PBF

$1.82

Description：MOSFET N-CH 150V 34A TO220AB FP
Series：HEXFET®
Mfr：Infineon Technologies
Package：Tube

SKU:a8de65af2946 Category: Single FETs, MOSFETs Brand: Infineon Technologies

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Product introduction

IRFI4321PBF is listed in the Single FETs, MOSFETs range at ChipApex. The manufacturer field lists Infineon Technologies. Its product description is MOSFET N-CH 150V 34A TO220AB FP. Review the specifications below when checking this part for your BOM.

Single FETs, MOSFETs specifications for IRFI4321PBF

Description：MOSFET N-CH 150V 34A TO220AB FP
Series：HEXFET®
Mfr：Infineon Technologies
Package：Tube
FET Type：N-Channel
Technology：MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)：150 V
Current - Continuous Drain (Id) @ 25°C：34A (Tc)
Drive Voltage (Max Rds On, Min Rds On)：10V
Rds On (Max) @ Id, Vgs：16mOhm @ 20A, 10V
Vgs(th) (Max) @ Id：5V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：110 nC @ 10 V
Vgs (Max)：±30V
Input Capacitance (Ciss) (Max) @ Vds：4440 pF @ 50 V
FET Feature：-
Power Dissipation (Max)：46W (Tc)
Operating Temperature：-55°C ~ 150°C (TJ)
Grade：-
Qualification：-
Mounting Type：Through Hole
Supplier Device Package：TO-220AB Full-Pak
Package / Case：TO-220-3 Full Pack

Single FETs, MOSFETs datasheet and documents for IRFI4321PBF

IRFI4321PBF

Single FETs, MOSFETs Overview

The IRFI4321PbF is a single N-channel HEXFET power MOSFET housed in a TO-220 Full-Pak package. It features a maximum drain-source voltage of 150 V and a continuous drain current of 34 A at 25°C case temperature. The device exhibits a maximum on-resistance of 16 mΩ at VGS = 10V, with a typical value of 12.2 mΩ. Total gate charge is typically 73 nC at VGS = 10V. Thermal resistance from junction to case is rated at 2.73 K/W, supporting a maximum operating junction temperature of 150°C.

Single FETs, MOSFETs Feature Summary

Low RDS(on) reduces conduction losses
Low gate charge improves switching performance
Improved diode recovery enhances switching and EMI performance
30V gate voltage rating improves robustness

Single FETs, MOSFETs Applications

Motion control applications
High efficiency synchronous rectification in SMPS
Uninterruptible power supply
Hard switched and high frequency circuits

Single FETs, MOSFETs Procurement Notes

Verify the component matches the exact part number IRFI4321PbF. Confirm the package type is TO-220 Full-Pak. Ensure the manufacturer is Infineon Technologies. Check for RoHS compliance status as indicated in the datasheet. Validate that the product is intended for industrial qualification levels rather than automotive standards.

Single FETs, MOSFETs Selection Notes

Select this component when a 150V N-channel MOSFET with low on-resistance is required. Consider the 34A current rating and thermal characteristics for your specific load. Evaluate the gate charge requirements against your driver capabilities. Ensure the application operates within the specified junction temperature limits.

Single FETs, MOSFETs Part Context

This part belongs to the HEXFET family of power MOSFETs from Infineon Technologies. It utilizes standard silicon technology optimized for general-purpose power switching applications. The TO-220 Full-Pak package provides a balance of electrical performance and mechanical mounting options for through-hole assembly.

Single FETs, MOSFETs Replacement Considerations

Consult official replacement lists or cross-reference tools provided by Infineon Technologies for verified substitute part numbers. Do not assume compatibility based solely on similar specifications.