How many Infineon Technologies Infineon Technologies IRFZ Series part numbers are listed?

3 Infineon Technologies Infineon Technologies IRFZ Series part numbers are listed, each with specifications and a datasheet where available.

Infineon Technologies IRFZ Series

3 variants · Infineon Technologies

About the Infineon Technologies Infineon Technologies IRFZ Series series

The Infineon Technologies Infineon Technologies IRFZ Series series groups 3 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-263-3, D²Pak (2 Leads + Tab), TO-263AB, drain to source voltage of 55 V and drive voltage (Max rds on, min rds on) of 10V. Variants differ by current - continuous drain (Id) @ 25°C, gate charge (Qg) (Max) @ vgs and input capacitance (Ciss) (Max) @ vds, so you can match the exact current - continuous drain (Id) @ 25°C your application requires using the selection guide below.

Select a variant by

Current - continuous drain (Id) @ 25°C: 29A (Tc) · 49A (Tc)
Gate charge (Qg) (Max) @ vgs: 34 nC @ 10 V · 63 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds: 700 pF @ 25 V · 1470 pF @ 25 V
Power dissipation: 3.8W (Ta), 68W (Tc) · 3.8W (Ta), 94W (Tc)
Rds on (Max) @ id, vgs: 17.5mOhm @ 25A, 10V · 40mOhm @ 16A, 10V

Variant comparison

Parameter	IRFZ34NSTRLPBF	IRFZ44NSTRLPBF
Current - continuous drain (Id) @ 25°C	29A (Tc)	49A (Tc)
Gate charge (Qg) (Max) @ vgs	34 nC @ 10 V	63 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds	700 pF @ 25 V	1470 pF @ 25 V
Power dissipation	3.8W (Ta), 68W (Tc)	3.8W (Ta), 94W (Tc)
Rds on (Max) @ id, vgs	40mOhm @ 16A, 10V	17.5mOhm @ 25A, 10V

Shared specifications

Case: TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Drain to source voltage: 55 V
Drive voltage (Max rds on, min rds on): 10V
FET feature: -
FET type: N-Channel
Mounting type: Surface Mount
Operating temperature: -55°C ~ 175°C (TJ)
Package: Tape & Reel (TR) Cut Tape (CT)
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, gate charge (Qg) (Max) @ vgs, input capacitance (Ciss) (Max) @ vds and power dissipation. 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?: 3 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.