IRF730 IRF730 is a 400V, 5.5A N-Channel power MOSFET from Vishay in a TO-220AB package. It features low on-resistance of 1 Ohm and fast switching.
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IRF730

Available from 1 distributors
Mfr Name: Vishay
Vishay
IRF730 is a 400V, 5.5A N-Channel power MOSFET from Vishay in a TO-220AB package. It features low on-resistance of 1 Ohm and fast switching.
✓ Total Stock: 34 pcs

IRF730 Available from 1 distributor

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IRF730 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

IRF730 Description

Short technical summary and product information.

The IRF730 is a third-generation N-Channel power MOSFET from Vishay Siliconix, designed for high-voltage switching applications. It offers a maximum drain-source voltage of 400V and a continuous drain current of 5.5A at 25°C (3.5A at 100°C). The device features a low on-resistance of 1 Ohm (max) at Vgs=10V and Id=3.3A, ensuring efficient power handling.

 

Key electrical characteristics include a maximum gate charge of 38 nC at Vgs=10V, input capacitance of 700 pF at Vds=25V, and a gate threshold voltage of 4V (max) at Id=250µA. The MOSFET is avalanche rated with a single pulse avalanche energy of 290 mJ and repetitive avalanche current of 5.5A, providing ruggedness in inductive switching environments.

 

The IRF730 is housed in a through-hole TO-220-3 (TO-220AB) package, suitable for commercial and industrial applications with power dissipation up to 74W at 25°C case temperature. It operates over a junction temperature range of -55°C to 150°C. The device is RoHS3 compliant and has an MSL rating of 1 (unlimited).

IRF730 Quick Information

Product Type: Power MOSFET
Canonical Name: IRF730 N-Channel Power MOSFET
Subcategory: N-Channel Power MOSFET

IRF730 Compliance

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

IRF730 Features

  • N-Channel MOSFET with 400V drain-source voltage.
  • Continuous drain current rated at 5.5A.
  • Low on-resistance of 1 Ohm at 10V gate drive.
  • Repetitive avalanche rated for ruggedness.
  • Through-hole TO-220AB package.

IRF730 Applications

  • Suitable for high-voltage switching power supplies.
  • Used in motor control circuits.
  • Ideal for DC-DC converters.
  • Applicable in lighting ballasts.

IRF730 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the IRF730?

-55°C to 150°C (junction temperature).

Is the IRF730 RoHS compliant?

Yes, it is listed as RoHS3 Compliant.

What package is the IRF730 available in?

TO-220-3 (TO-220AB).

What is the maximum drain-source voltage?

400V.

What is the continuous drain current at 25°C?

5.5A.

What is the typical gate charge?

38 nC maximum at Vgs=10V.

What is the on-resistance?

1 Ohm maximum at Id=3.3A, Vgs=10V.

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