FDB9409-F085 This is a N-Channel MOSFET with 40V drain-source voltage rating and 80A continuous drain current. It is designed for surface mount in a D2PAK (TO-263) package.
Mfr Part #:

FDB9409-F085

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
This is a N-Channel MOSFET with 40V drain-source voltage rating and 80A continuous drain current. It is designed for surface mount in a D2PAK (TO-263) package.
✓ Total Stock: 800 pcs

FDB9409-F085 Available from 1 distributor

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FDB9409-F085 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Drain to Source Voltage (Vdss)
Drive Voltage (Max Rds On, Min Rds On)
FET Type
Gate Charge (Qg) (Max) @ Vgs
Industrial Grade
Input Capacitance (Ciss) (Max) @ Vds
Lead Style
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Power Dissipation (Max)
Rds On (Max) @ Id, Vgs
Supplier Device Package
Tape & Reel
Technology
Vgs (Max)
Vgs(th) (Max) @ Id

FDB9409-F085 Description

Short technical summary and product information.

The FDB9409-F085 is a N-Channel power MOSFET manufactured by On Semiconductor. It features a drain-source voltage (Vdss) of 40V and a continuous drain current of 80A at 25°C case temperature. The device utilizes MOSFET (Metal Oxide) technology and offers a low on-resistance of 3.5 mOhm maximum at 80A and 10V gate drive.

 

Electrical characteristics include a maximum gate charge of 56 nC at 10V and an input capacitance of 2980 pF at 25V drain-source voltage. The gate threshold voltage is 4V maximum at 250µA drain current. The device supports a maximum gate-source voltage of ±20V and is driven at 10V for optimal Rds(on).

 

The MOSFET is rated for power dissipation up to 94W and operates over a junction temperature range of -55°C to 175°C. It is supplied in a surface-mount D2PAK (TO-263) package, which is also known as TO-263-3 or D²Pak.

 

This component is suitable for applications requiring high efficiency switching and power management. Its low on-resistance and high current capability make it ideal for use in power supplies, motor drives, and other power conversion circuits.

FDB9409-F085 Quick Information

Product Type: N-Channel Power MOSFET
Canonical Name: FDB9409-F085 – N-Channel Power MOSFET 40V, 80A
Subcategory: Transistors - FETs, MOSFETs - Single

FDB9409-F085 Compliance

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

FDB9409-F085 Features

  • N-Channel MOSFET with 40V drain-source voltage.
  • Continuous drain current rating of 80A.
  • Low on-resistance of 3.5 mOhm typical.
  • Surface mount D2PAK (TO-263) package.
  • Wide operating temperature range -55°C to 175°C.

FDB9409-F085 Applications

  • Used in power supply converters.
  • Suitable for motor drive circuits.
  • Ideal for high-efficiency DC-DC converters.
  • Applied in automotive and industrial power systems.

FDB9409-F085 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range?

-55°C to 175°C (junction temperature)

What package is the FDB9409-F085 available in?

Surface mount D2PAK (TO-263-3, D²Pak)

Is the FDB9409-F085 RoHS compliant?

RoHS3 compliant, but unverified.

What is the maximum drain-source voltage?

40V

What is the continuous drain current rating?

80A at 25°C case temperature

What is the on-resistance of this MOSFET?

3.5 mOhm maximum at 80A and 10V gate drive

What is the gate charge?

56 nC maximum at 10V gate-source voltage

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