IRFB4321PBF MOSFET Datasheet & Specifications

N-Channel TO-220AB High-Current Infineon
Vds Max
150V
Id Max
85A
Rds(on)
15mΩ@10V
Vgs(th)
5V

Quick Reference

The IRFB4321PBF is an N-Channel MOSFET in a TO-220AB package, manufactured by Infineon. It supports a drain-source breakdown voltage of 150V and a continuous drain current of 85A. It is widely used in switching and power applications.

Technical Specifications

ParameterValueDescription
ManufacturerInfineonOriginal Manufacturer
PackageTO-220ABPhysical mounting
Transistor TypeMOSFETMetal-Oxide-Semiconductor FET
CategorySingleConfiguration
Drain-Source Voltage (Vds)150VMax breakdown voltage
Continuous Drain Current (Id)85AMax current handling
Power Dissipation (Pd)350WMax thermal limit
On-Resistance (Rds(on))15mΩ@10VResistance when turned fully on
Gate Threshold (Vgs(th))5VVoltage required to turn on
Gate Charge (Qg)71nC@10VSwitching energy
Input Capacitance (Ciss)4.46nFInternal gate capacitance
Output Capacitance (Coss)390pFInternal output capacitance
Operating Temp-55℃~+175℃Safe junction temperature range

Equivalent MOSFETs & Alternatives

PartTypePackageVdsIdRds(on)Vgs(th)Manufacturer / Datasheet
No exact equivalents found in database.