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Infineon Technologies IRF3205Z — Discrete Semiconductors

IRF3205Z N-Channel MOSFET, 55V 75A TO-220AB, Obsolete

MPNIRF3205Z
Obsolete

Infineon IRF3205Z, HEXFET® N-Channel MOSFET, 55 V Vdss, 75 A Id, 6.5 mOhm Rds(on) @ 66 A, 10 V, TO-220-3, -55°C to 175°C.

$4.3600Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

IRF3205Z specifications
ParameterValue
SeriesHEXFET®
FET typeN-Channel
MountingThrough Hole
Drain to source voltage55 V
Drive voltage (Max rds on, min rds on)10V
Current - continuous drain (Id) @ 25°C75A (Tc)
Power dissipation170W (Tc)
Operating temperature-55°C~175°C(TJ)
PackageTube
Vgs±20V
TechnologyMOSFET (Metal Oxide)
CaseTO-220-3
Vgs(th) (Max) @ id4V @ 250µA
Rds on (Max) @ id, vgs6.5mOhm @ 66A, 10V
Gate charge (Qg) (Max) @ vgs110 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds3450 pF @ 25 V

Product details

The IRF3205Z: Input capacitance is 3450 pF at 25 V Vds, and total gate charge is 110 nC at 10 V, which sets the driver sizing for switching frequencies above a few tens of kHz.

For BOM lines that still need this exact part — typically repair, retrofit, or legacy production runs — sourcing moves to independent distribution and surplus inventory.

TO-220AB footprint — board-level fit

The through-hole TO-220-3 package (supplier device package TO-220AB) is a standard three-lead power package. Any pin-compatible replacement must match the same lead form and pitch. The mounting hole and tab geometry are consistent across the TO-220 family, so a drop-in substitute from another manufacturer is possible if the parametric envelope aligns.

Frequently asked questions

What is the equivalent of IRF3205Z?

Buyers need a direct drop-in replacement when the original is obsolete.

Where to buy IRF3205Z?

Sourcing a discontinued part requires finding distributors with remaining stock.

Is IRF3205Z obsolete?

Confirms lifecycle status to decide whether to search for replacements or buy from surplus.

What is the datasheet for IRF3205Z?

Engineers need full specs for design validation and fit assessment.

What is the replacement for IRF3205Z?

Explicit need for a recommended substitute when the part is no longer produced.

IRF3205Z vs IRF3205?

Helps buyers differentiate the 'Z' variant and decide if it can be used interchangeably.