FDA20N50-F109 N-Channel MOSFET rated for 500V drain-source voltage and 22A continuous drain current. Features a maximum on-resistance of 230mOhm at 10V gate drive.
Mfr Part #:

FDA20N50-F109

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
N-Channel MOSFET rated for 500V drain-source voltage and 22A continuous drain current. Features a maximum on-resistance of 230mOhm at 10V gate drive.
✓ Total Stock: 426 pcs

FDA20N50-F109 Available from 1 distributor

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FDA20N50-F109 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

FDA20N50-F109 Description

Short technical summary and product information.

The FDA20N50-F109 is an N-Channel power MOSFET from onsemi designed for high-voltage switching applications. It is rated for a drain-to-source voltage of 500V and a continuous drain current of 22A at case temperature. The device features a maximum on-resistance of 230mOhm when driven with a 10V gate signal.

 

This MOSFET offers a maximum gate charge of 59.5 nC and an input capacitance of 3120 pF, making it suitable for moderate-speed switching circuits. The maximum power dissipation is 280W at case temperature, and it can operate over a junction temperature range of -55°C to 150°C.

 

The part is housed in a through-hole TO-3PN package (also known as TO-3P-3 or SC-65-3), which provides robust thermal performance for high-power designs. The gate-source voltage rating is ±30V, and the maximum gate threshold voltage is 5V at 250µA drain current.

FDA20N50-F109 Quick Information

Product Type: MOSFET
Canonical Name: FDA20N50-F109 N-Channel MOSFET
Subcategory: Single N-Channel

FDA20N50-F109 Compliance

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

FDA20N50-F109 Features

  • N-Channel MOSFET with 500V drain-source voltage.
  • 22A continuous drain current at case temperature.
  • 230mOhm maximum on-resistance at 10V gate drive.
  • Through-hole TO-3PN package for high-power designs.
  • Operates from -55°C to 150°C junction temperature.

FDA20N50-F109 Applications

  • Used in high-voltage power supply circuits.
  • Suitable for motor control and inverter designs.
  • Ideal for switching regulator and converter stages.

FDA20N50-F109 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the drain-to-source voltage rating of the FDA20N50-F109?

The drain-to-source voltage (Vdss) is 500V.

What is the maximum continuous drain current?

The maximum continuous drain current is 22A at case temperature (Tc).

What is the on-resistance of this MOSFET?

The maximum on-resistance (Rds on) is 230mOhm at a drain current of 11A and gate-source voltage of 10V.

What package type does the FDA20N50-F109 use?

It uses a through-hole TO-3PN package (also known as TO-3P-3 or SC-65-3).

What is the operating temperature range?

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

Is the FDA20N50-F109 RoHS compliant?

The part is listed as RoHS3 Compliant, though this is unverified from the datasheet.

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