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HUFA75321D3ST This is a 55V, 20A N-Channel UltraFET Power MOSFET from On Semiconductor. It features a low on-resistance of 36mOhm and is surface mount in a TO-252AA package.
Mfr Part #:

HUFA75321D3ST

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
This is a 55V, 20A N-Channel UltraFET Power MOSFET from On Semiconductor. It features a low on-resistance of 36mOhm and is surface mount in a TO-252AA package.
✓ Total Stock: 1,390 pcs
$ Price Range: $0.41 - $2.00

HUFA75321D3ST Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
1,390 pcs
On Request
1390 pcs On Request 1 On Request On Request 10+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

HUFA75321D3ST 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
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
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HUFA75321D3ST Description

Short technical summary and product information.

The HUFA75321D3ST is an N-Channel Power MOSFET manufactured using the UltraFET process from On Semiconductor (formerly Fairchild Semiconductor). It is designed for applications requiring high power efficiency, such as switching regulators, motor drivers, and power management. The device offers a drain-source voltage of 55V and a continuous drain current of 20A. Its maximum on-resistance is 36mOhm at a gate voltage of 10V and a current of 20A. The gate charge is 44nC at 20V, and input capacitance is 680pF at 25V. The MOSFET is capable of operating over a junction temperature range of -55°C to 175°C, with a maximum power dissipation of 93W. It is surface mountable in a TO-252AA (DPak) package, which is suitable for automated assembly. The component is RoHS compliant and has a moisture sensitivity level of 1. This part is ideal for low-voltage bus switches, relay drivers, and battery-operated portable products.

HUFA75321D3ST Quick Information

Product Type: MOSFET
Series: UltraFET
Canonical Name: N-Channel UltraFET Power MOSFET, 55V, 20A, 36mOhm, TO-252AA
Subcategory: N-Channel MOSFET

HUFA75321D3ST Compliance

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

HUFA75321D3ST Estimated Pricing

Qty Low High
1+ $2.00 $2.00
10+ $1.23 $1.23
100+ $0.81 $0.81
500+ $0.64 $0.64
1,000+ $0.56 $0.56
2,500+ $0.48 $0.48
5,000+ $0.44 $0.44
10,000+ $0.42 $0.42
25,000+ $0.41 $0.41

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

HUFA75321D3ST Features

  • UltraFET process for low on-resistance.
  • Rated for 55V drain-source voltage.
  • Supports 20A continuous drain current.
  • Surface mount TO-252AA package.
  • RoHS compliant and MSL 1 rated.

HUFA75321D3ST Applications

  • Ideal for switching regulator circuits.
  • Used in motor driver applications.
  • Suitable for power management in portable devices.
  • Can be used in relay driver circuits.
  • Applicable for low-voltage bus switches.

HUFA75321D3ST FAQs

7 frequently asked questions generated from this part’s specifications.
What is the drain-source voltage of the HUFA75321D3ST?

55V.

What is the continuous drain current rating?

20A.

What is the on-resistance (Rds(on))?

36mOhm maximum at 20A and 10V gate voltage.

What is the operating temperature range?

-55°C to 175°C (junction).

What package does the HUFA75321D3ST come in?

TO-252AA (DPak) surface mount package.

Is the HUFA75321D3ST RoHS compliant?

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

What is the gate threshold voltage?

4V maximum at 250µA drain current.

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