IRFZ25 MOSFET — Specifications & Equivalents

About the IRFZ25

The IRFZ25 is an N-channel MOSFET with a drain–source voltage (V_DS) rating of 60 V, a continuous drain current (I_D) of 16 A and an on-resistance (R_DS(on)) of 0.12 Ω. It can dissipate up to 60 W and is rated to a junction temperature of 150 °C. It is supplied in the TO220 package.

At a glance

• Type: N-channel MOSFET
• Max drain–source voltage (V_DS): 60 V
• Max continuous drain current (I_D): 16 A
• On-resistance (R_DS(on)): 0.12 Ω
• Power dissipation (P_D): 60 W
• Max junction temperature (T_J): 150 °C
• Package: TO220
• Manufacturer: Commonly produced by International Rectifier (now Infineon)

Typical applications

With its 60 V drain–source rating the IRFZ25 sits in the mid-range class of switching MOSFETs, typically found in 24 V and 48 V industrial and battery systems, motor drives and H-bridges and load and hot-swap switching.

Choosing a replacement for the IRFZ25

A drop-in substitute for the IRFZ25 must be the same N-channel type and offer a drain–source rating of at least 60 V, a continuous drain current rating of at least 16 A and an on-resistance no higher than 0.12 Ω if efficiency and heat matter.

Mechanically, check the replacement against the TO220 footprint and confirm the pin order — parts sharing a package outline do not always share a pinout.

Where the application switches inductive loads or runs near the voltage limit, keep extra headroom rather than choosing a part that only just meets the original numbers.

Frequently asked questions

What is the IRFZ25?

The IRFZ25 is an N-channel MOSFET (metal-oxide-semiconductor field-effect transistor). It is rated for 60 V drain-source and 16 A continuous drain current.

What is the maximum voltage of the IRFZ25?

The IRFZ25 has a maximum drain-source voltage (Vds) of 60 V. Treat this as an absolute maximum and design with margin, especially when switching inductive loads.

How much current can the IRFZ25 handle?

It is rated for 16 A of continuous drain current, with power dissipation limited to 60 W. Real-world capability depends on your heatsinking and ambient temperature.

What is the on-resistance of the IRFZ25?

On-resistance (Rds(on)) is 0.12 Ω. Multiply by the square of your load current to estimate conduction loss.

What package does the IRFZ25 come in?

It is listed in TO220. Verify the pinout of the specific variant, as one outline can carry different pin assignments.

What can I use to replace the IRFZ25?

No verified equivalents are listed yet. Choose a part of the same polarity that meets or exceeds every rating above and shares a compatible package and pinout.