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FCP125N65S3 The FCP125N65S3 is a 650V, 24A N-Channel power MOSFET from onsemi in a TO-220-3 through-hole package. It features a typical on-resistance of 105mΩ and ultra-low gate charge for efficient switching.
Mfr Part #:

FCP125N65S3

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The FCP125N65S3 is a 650V, 24A N-Channel power MOSFET from onsemi in a TO-220-3 through-hole package. It features a typical on-resistance of 105mΩ and ultra-low gate charge for efficient switching.
✓ Total Stock: 200 pcs
$ Price Range: $2.38 - $5.94

FCP125N65S3 Available from 1 distributor

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FCP125N65S3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Drain to Source Voltage (Vdss)
Drive Voltage (Max Rds On, Min Rds On)
FET Type
Gate Charge (Qg) (Max) @ Vgs
Input Capacitance (Ciss) (Max) @ Vds
Mounting Type
Operating Temperature
Power Dissipation (Max)
Rds On (Max) @ Id, Vgs
Supplier Device Package
Technology
Vgs (Max)
Vgs(th) (Max) @ Id
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FCP125N65S3 Description

Short technical summary and product information.

The FCP125N65S3 is an N-Channel power MOSFET from onsemi's SUPERFET III family, utilizing charge balance technology for low on-resistance and reduced gate charge. It is rated for a drain-to-source voltage of 650V and a continuous drain current of 24A at 25°C case temperature, with a maximum on-resistance of 125mΩ at 10V gate drive.

 

This device offers a typical gate charge of 46nC and low effective output capacitance of 439pF, enabling efficient high-frequency switching. It is 100% avalanche tested and can withstand extreme dv/dt rates, making it suitable for demanding power conversion applications.

 

Packaged in a TO-220-3 through-hole case, the FCP125N65S3 is designed for easy mounting and thermal management. It operates over a junction temperature range of -55°C to 150°C and dissipates up to 181W at 25°C case temperature.

 

Typical applications include telecom and server power supplies, industrial power supplies, and UPS/solar systems. The device is Pb-Free and RoHS compliant.

FCP125N65S3 Quick Information

Product Type: Power MOSFET
Series: Easy Drive
Canonical Name: N-Channel Power MOSFET, 650V, 24A, TO-220-3
Subcategory: Single N-Channel Power MOSFET

FCP125N65S3 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

FCP125N65S3 Estimated Pricing

Qty Low High
1+ $5.94 $5.94
10+ $3.97 $3.97
50+ $3.13 $3.13
100+ $2.86 $2.86
500+ $2.38 $2.38

Estimated market price range - modelled values for guidance only, not live distributor offers.

FCP125N65S3 Features

  • 650V drain-to-source voltage rating.
  • 24A continuous drain current capability.
  • Low 105mΩ typical on-resistance.
  • Ultra-low 46nC gate charge.
  • 100% avalanche tested for reliability.

FCP125N65S3 Applications

  • Used in telecom power supply units.
  • Ideal for server power supply designs.
  • Suitable for industrial power supplies.
  • Applied in UPS and solar inverters.

FCP125N65S3 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the drain-to-source voltage rating of the FCP125N65S3?

The drain-to-source voltage (Vdss) is 650V, with a minimum breakdown voltage of 700V at Tj=150°C.

What is the maximum continuous drain current?

The continuous drain current is 24A at TC=25°C, and 15A at TC=100°C.

What is the on-resistance of this MOSFET?

The typical on-resistance is 105mΩ, with a maximum of 125mΩ at Vgs=10V and Id=12A.

What is the operating temperature range?

The junction operating temperature range is -55°C to 150°C.

What package is the FCP125N65S3 available in?

It is available in a TO-220-3 through-hole package.

Is the FCP125N65S3 RoHS compliant?

Yes, the device is Pb-Free and RoHS compliant.

What is the gate charge of this MOSFET?

The typical gate charge is 46nC at Vgs=10V.

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