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Infineon Technologies IRFZ44VSTRR — Discrete Semiconductors
Infineon Technologies

IRFZ44VSTRR N-Channel MOSFET, 60V, 55A, D2PAK, Obsolete

MPNIRFZ44VSTRR
Obsolete

Infineon IRFZ44VSTRR HEXFET® N-Channel MOSFET, 60V Vdss, 55A continuous drain, 16.5 mOhm RDS(on) at 10V, D2PAK (TO-263) surface-mount package, -55°C to 175°C junction temperature.

IRFZ44VSTRR datasheet
StockContact for availability
MOQ1 pcs
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Specifications

IRFZ44VSTRR Technical Specifications
ParameterValue
SeriesHEXFET®
FET typeN-Channel
Mounting typeSurface Mount
Drain to source voltage60 V
Drive voltage (Max rds on, min rds on)10V
Current - continuous drain (Id) @ 25°C55A (Tc)
Power dissipation115W (Tc)
Operating temperature-55°C~175°C(TJ)
PackageTape & Reel (TR)
Vgs±20V
TechnologyMOSFET (Metal Oxide)
CaseTO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Vgs(th) (Max) @ id4V @ 250µA
Rds on (Max) @ id, vgs16.5mOhm @ 31A, 10V
Gate charge (Qg) (Max) @ vgs67 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds1812 pF @ 25 V

Product details

Obsolete status — sourcing through independent distribution

The IRFZ44VSTRR is officially marked as obsolete by Infineon. Sourcing is limited to the surplus and broker channel, where independent distributors stock remaining inventory.

The 60 V drain-to-source voltage rating places this MOSFET in the 48 V bus and 12 V/24 V automotive power domain, with margin for load-dump transients in 12 V systems. Gate charge is 67 nC at 10 V, which determines the drive power required from the gate driver and influences switching speed. Input capacitance is 1812 pF at 25 V drain-source, a moderate value that allows reasonable switching frequencies without excessive driver current.

Temperature range and package — deployment environment

Frequently asked questions

What is the replacement for IRFZ44VSTRR?

For a drop-in replacement, evaluate Infineon's current N-channel MOSFETs in the D2PAK package with similar 60 V, 55 A, and 16.5 mOhm ratings — such as the IRFZ44NPBF or IRFZ44ZPBF series variants, but verify pin compatibility and parametric overlap from the respective datasheets before substituting.