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Infineon Technologies IRFZ Series

10 variants · Infineon Technologies

About the Infineon Technologies Infineon Technologies IRFZ Series series

The Infineon Technologies Infineon Technologies IRFZ Series series groups 10 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common case of TO-220-3, drive voltage (Max rds on, min rds on) of 10V and FET feature of -. Variants differ by current - continuous drain (Id) @ 25°C, drain to source voltage and gate charge (Qg) (Max) @ vgs, so you can match the exact current - continuous drain (Id) @ 25°C your application requires using the selection guide below. The range mixes active and legacy part numbers, so you can source both current Infineon Technologies IRFZ Series variants and discontinued ones from a single page.

Select a variant by

Current - continuous drain (Id) @ 25°C
29A (Tc) · 48A (Tc) · 49A (Tc) · 51A (Tc) · 55A (Tc) · 57A (Tc)
Drain to source voltage
55 V · 60 V
Gate charge (Qg) (Max) @ vgs
34 nC @ 10 V · 43 nC @ 10 V · 60 nC @ 10 V · 63 nC @ 10 V · 65 nC @ 10 V · 67 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds
700 pF @ 25 V · 1360 pF @ 25 V · 1420 pF @ 25 V · 1470 pF @ 25 V · 1690 pF @ 25 V · 1812 pF @ 25 V
Power dissipation
68W (Tc) · 80W (Tc) · 92W (Tc) · 94W (Tc) · 110W (Tc) · 115W (Tc)
Rds on (Max) @ id, vgs
12mOhm @ 34A, 10V · 13.9mOhm @ 31A, 10V · 16.5mOhm @ 31A, 10V · 17.5mOhm @ 25A, 10V · 23mOhm @ 29A, 10V · 40mOhm @ 16A, 10V

Variant comparison

ParameterIRFZ34NPBFIRFZ44EPBFIRFZ44NPBFIRFZ44VPBFIRFZ44VZPBFIRFZ44ZPBF
Current - continuous drain (Id) @ 25°C29A (Tc)48A (Tc)49A (Tc)55A (Tc)57A (Tc)51A (Tc)
Drain to source voltage55 V60 V55 V60 V60 V55 V
Gate charge (Qg) (Max) @ vgs34 nC @ 10 V60 nC @ 10 V63 nC @ 10 V67 nC @ 10 V65 nC @ 10 V43 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds700 pF @ 25 V1360 pF @ 25 V1470 pF @ 25 V1812 pF @ 25 V1690 pF @ 25 V1420 pF @ 25 V
Power dissipation68W (Tc)110W (Tc)94W (Tc)115W (Tc)92W (Tc)80W (Tc)
Rds on (Max) @ id, vgs40mOhm @ 16A, 10V23mOhm @ 29A, 10V17.5mOhm @ 25A, 10V16.5mOhm @ 31A, 10V12mOhm @ 34A, 10V13.9mOhm @ 31A, 10V

Shared specifications

Case
TO-220-3
Drive voltage (Max rds on, min rds on)
10V
FET feature
-
FET type
N-Channel
Mounting type
Through Hole
Operating temperature
-55°C ~ 175°C (TJ)
Package
Tube
Technology
MOSFET (Metal Oxide)
Vgs
±20V
Vgs(th) (Max) @ id
4V @ 250µA

Request a quote on any Infineon Technologies IRFZ Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the Infineon Technologies Infineon Technologies IRFZ Series variants differ?
Infineon Technologies IRFZ Series part numbers differ by current - continuous drain (Id) @ 25°C, drain to source voltage, gate charge (Qg) (Max) @ vgs and input capacitance (Ciss) (Max) @ vds. Use the selection guide above to pick by current - continuous drain (Id) @ 25°C.
How many Infineon Technologies Infineon Technologies IRFZ Series part numbers are listed?
10 Infineon Technologies Infineon Technologies IRFZ Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Infineon Technologies Infineon Technologies IRFZ Series?
Request a quote (RFQ) for any Infineon Technologies IRFZ Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants