FCB125N65S3 N-Channel power MOSFET from On Semiconductor with 650V drain-source breakdown voltage and 24A continuous drain current. Features 125mΩ maximum on-resistance at 10V gate drive.
Mfr Part #:

FCB125N65S3

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
N-Channel power MOSFET from On Semiconductor with 650V drain-source breakdown voltage and 24A continuous drain current. Features 125mΩ maximum on-resistance at 10V gate drive.
✓ Total Stock: 1,600 pcs
$ Price Range: $2.86 - $6.70

FCB125N65S3 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
1,600 pcs
1600 pcs On Request 1 On Request On Request On Request On Request On Request

FCB125N65S3 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
Tape & Reel
Technology
Vgs (Max)
Vgs(th) (Max) @ Id

FCB125N65S3 Description

Short technical summary and product information.

The FCB125N65S3 is an N-Channel power MOSFET from On Semiconductor, part of the SUPERFET III Easy Drive family. It utilizes charge balance super-junction technology to achieve low on-resistance and low gate charge, minimizing conduction losses and enabling efficient switching.

 

Key electrical specifications include a 650V drain-source breakdown voltage, 24A continuous drain current at 25°C, and a maximum on-resistance of 125mΩ at 10V gate drive. The device offers a typical gate charge of 46nC and input capacitance of 1940pF, supporting fast switching in power conversion circuits.

 

The MOSFET is housed in a surface-mount D²PAK-3 (TO-263-3) package and is rated for operation from -55°C to 150°C junction temperature. It is 100% avalanche tested and suitable for telecom, server, industrial power supplies, UPS, and solar applications.

FCB125N65S3 Quick Information

Product Type: Power MOSFET
Series: Easy Drive
Canonical Name: FCB125N65S3 N-Channel Power MOSFET
Subcategory: N-Channel Power MOSFET

FCB125N65S3 Compliance

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

FCB125N65S3 Estimated Pricing

Qty Low High
1+ $6.70 $6.70
10+ $4.50 $4.50
100+ $3.25 $3.25
500+ $2.97 $2.97
800+ $2.86 $2.86

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

FCB125N65S3 Features

  • 650V drain-source breakdown voltage rating.
  • 24A continuous drain current at 25°C.
  • 125mΩ maximum on-resistance at 10V gate drive.
  • Ultra low gate charge of 46nC typical.
  • 100% avalanche tested for ruggedness.

FCB125N65S3 Applications

  • Telecom and server power supply designs.
  • Industrial power supply applications.
  • UPS and solar inverter circuits.
  • High-efficiency switching power converters.

FCB125N65S3 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the drain-source voltage rating of the FCB125N65S3?

The maximum drain-source voltage (Vdss) is 650 V.

What is the maximum continuous drain current?

The maximum continuous drain current is 24 A at a case temperature of 25°C, and 15 A at 100°C.

What is the on-resistance of this MOSFET?

The maximum on-resistance is 125 mΩ at a drain current of 12 A and gate-source voltage of 10 V. Typical on-resistance is 105 mΩ.

What package is the FCB125N65S3 available in?

It is available in a surface-mount TO-263-3, D²Pak (2 Leads + Tab), TO-263AB package, also referred to as D²PAK-3.

What is the operating temperature range?

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

Is the FCB125N65S3 RoHS compliant?

Yes, the datasheet states the device is Pb-Free and RoHS Compliant.

What is the typical gate charge of this MOSFET?

The typical gate charge is 46 nC at a gate-source voltage of 10 V.

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