HUF75321D3S N-Channel Power MOSFET rated for 55V drain-source voltage and 20A continuous drain current. Features low on-resistance of 36mΩ at 10V gate drive, in a surface-mount TO-252AA package.
Mfr Part #:

HUF75321D3S

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
N-Channel Power MOSFET rated for 55V drain-source voltage and 20A continuous drain current. Features low on-resistance of 36mΩ at 10V gate drive, in a surface-mount TO-252AA package.
✓ Total Stock: 4,260 pcs
$ Price Range: $0.63

HUF75321D3S Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,130 pcs
2130 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
2,130 pcs
2130 pcs On Request 1 On Request On Request On Request On Request On Request

HUF75321D3S 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

HUF75321D3S Description

Short technical summary and product information.

The HUF75321D3S is an N-Channel power MOSFET manufactured using the UltraFET process from Fairchild Semiconductor (now part of On Semiconductor). It is designed for efficient power switching applications.

 

This MOSFET features a maximum drain-source voltage of 55V, continuous drain current of 20A at case temperature 25°C, and a maximum on-resistance of 36mΩ at Vgs=10V and Id=20A. The gate threshold voltage is 4V at 250µA. Input capacitance is 680pF at 25V, and maximum gate charge is 44nC at 20V. Power dissipation is 93W at Tc=25°C, with a junction temperature range of -55°C to 175°C.

 

Typical applications include switching regulators, DC-DC converters, motor drivers, relay drivers, and low-voltage bus switches. The device is also well-suited for power management in portable and battery-operated products.

 

The device is supplied in a surface-mount TO-252AA (DPak) package, with three leads (2 leads plus tab). It is RoHS compliant (unverified) and has an MSL level of 1 (unlimited).

HUF75321D3S Quick Information

Product Type: MOSFET
Series: UltraFET
Canonical Name: HUF75321D3S N-Channel Power MOSFET
Subcategory: Single MOSFETs

HUF75321D3S Compliance

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

HUF75321D3S Estimated Pricing

Qty Low High
478+ $0.63 $0.63

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

HUF75321D3S Features

  • UltraFET process for low on-resistance.
  • 55V drain-source voltage rating.
  • 20A continuous drain current rating.
  • Low on-resistance of 36 milliohms.
  • Surface-mount TO-252AA package.

HUF75321D3S Applications

  • Used in switching regulator circuits.
  • Ideal for DC-DC converter designs.
  • Motor and relay driver applications.
  • Power management in portable devices.

HUF75321D3S FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the HUF75321D3S?

-55°C to 175°C junction temperature.

What package is the HUF75321D3S available in?

Surface-mount TO-252AA (DPak) package.

Is the HUF75321D3S RoHS compliant?

It is listed as RoHS3 compliant, but this is unverified.

What is the gate threshold voltage?

4V maximum at 250µA drain current.

What is the drain-source on-resistance?

36mΩ maximum at Vgs=10V and Id=20A.

What is the maximum continuous drain current?

20A at case temperature 25°C.

What is the maximum drain-source voltage?

55V.

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