IRFB20N50KPBF N-Channel MOSFET, 500V drain-source voltage, 20A continuous drain current, TO-220AB through-hole package.
Mfr Part #:

IRFB20N50KPBF

Available from 1 distributors
Mfr Name: Vishay
Vishay
N-Channel MOSFET, 500V drain-source voltage, 20A continuous drain current, TO-220AB through-hole package.
✓ Total Stock: 2,356 pcs
$ Price Range: $2.91 - $6.02

IRFB20N50KPBF Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,356 pcs
2356 pcs On Request 1 On Request On Request On Request On Request On Request

IRFB20N50KPBF 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
Lead Style
Mounting Type
Operating Temperature
Power Dissipation (Max)
Rds On (Max) @ Id, Vgs
Supplier Device Package
Tape & Reel
Technology
Vgs (Max)
Vgs(th) (Max) @ Id

IRFB20N50KPBF Description

Short technical summary and product information.

The IRFB20N50KPBF is an N-Channel power MOSFET from Vishay Dale, designed for high-voltage switching applications. It features a drain-source voltage rating of 500V and a continuous drain current of 20A at 25°C, with a maximum on-resistance of 250mOhm at 12A and 10V gate drive. The device offers a low gate charge of 110nC and an input capacitance of 2870pF, enabling efficient high-frequency operation.

 

This MOSFET is housed in a TO-220AB through-hole package, suitable for easy mounting on PCBs. It can dissipate up to 280W of power at 25°C case temperature and operates over a junction temperature range of -55°C to 150°C. The part is RoHS3 compliant and has an MSL rating of 1 (unlimited).

 

Typical applications include switch mode power supplies (SMPS), uninterruptible power supplies (UPS), and high-speed power switching circuits. The device is also characterized for avalanche energy and dynamic dV/dt ruggedness, making it suitable for hard-switched and high-frequency topologies.

IRFB20N50KPBF Quick Information

Product Type: MOSFET (Metal Oxide)
Series: IRFB20N50K
Canonical Name: IRFB20N50KPBF N-Channel MOSFET
Subcategory: N-Channel Power MOSFET

IRFB20N50KPBF Compliance

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

IRFB20N50KPBF Estimated Pricing

Qty Low High
1+ $6.02 $6.02
50+ $3.18 $3.18
100+ $2.91 $2.91

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

IRFB20N50KPBF Features

  • N-Channel MOSFET with 500V drain-source voltage.
  • Continuous drain current rated at 20A.
  • Low on-resistance of 250mOhm typical.
  • TO-220AB through-hole package.
  • Operating temperature range -55°C to 150°C.

IRFB20N50KPBF Applications

  • Used in switch mode power supplies (SMPS).
  • Suitable for uninterruptible power supplies.
  • Ideal for high speed power switching circuits.
  • Applicable in hard switched and high frequency circuits.

IRFB20N50KPBF FAQs

7 frequently asked questions generated from this part’s specifications.
What is the drain-source voltage rating of the IRFB20N50KPBF?

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

What is the continuous drain current rating?

The continuous drain current is 20A at 25°C case temperature and 12A at 100°C.

What is the on-resistance of this MOSFET?

The maximum on-resistance is 250mOhm at 12A drain current and 10V gate-source voltage.

What is the operating temperature range?

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

What package does the IRFB20N50KPBF come in?

It comes in a TO-220-3 package (TO-220AB) with through-hole mounting.

Is the IRFB20N50KPBF RoHS compliant?

Yes, it is listed as RoHS3 compliant, though this is unverified.

What is the gate charge of this MOSFET?

The maximum total gate charge is 110nC at 10V gate-source voltage.

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