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IRF840 The Motorola IRF840 is an N-Channel MOSFET with a 500V drain-to-source voltage and 8A continuous drain current. It features a low on-resistance of 850mOhm at 4.8A and 10V.
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IRF840

Available from 1 distributors
Mfr Name: Motorola Semicondutor
Motorola Semicondutor
The Motorola IRF840 is an N-Channel MOSFET with a 500V drain-to-source voltage and 8A continuous drain current. It features a low on-resistance of 850mOhm at 4.8A and 10V.
✓ Total Stock: 38 pcs
$ Price Range: $1.93

IRF840 Available from 1 distributor

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IRF840 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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IRF840 Description

Short technical summary and product information.

The Motorola IRF840 is a power MOSFET designed for various electronic applications. It is an N-Channel device with a maximum drain-to-source voltage (Vdss) of 500V and a continuous drain current (Id) of 8A at 25°C.

 

Key electrical characteristics include a maximum gate threshold voltage (Vgs(th)) of 4V at 250µA and a maximum on-resistance (Rds(on)) of 850mOhm when driven at 4.8A and 10V. The device can handle a maximum power dissipation of 125W (Tc).

 

This MOSFET operates within a temperature range of -55°C to 150°C. It is packaged in a TO-220AB case and utilizes a through-hole mounting type, making it suitable for through-hole PCB assemblies.

 

Additional specifications include an input capacitance (Ciss) of 1300pF at 25V and a gate charge (Qg) of 63nC at 10V. The technology used is Metal Oxide Semiconductor Field-Effect Transistor (MOSFET).

IRF840 Quick Information

Product Type: MOSFET
Canonical Name: IRF840 N-Channel MOSFET
Subcategory: Single

IRF840 Compliance

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

IRF840 Estimated Pricing

Qty Low High
1+ $1.93 $1.93

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

IRF840 Features

  • N-Channel MOSFET technology.
  • 500V drain-to-source voltage.
  • 8A continuous drain current.
  • Low on-resistance of 850mOhm.
  • TO-220AB through-hole package.

IRF840 Applications

  • Used in high-voltage power switching circuits
  • Suitable for motor control applications
  • Ideal for power supply regulation
  • Employed in high-voltage switching power supplies

IRF840 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum drain-to-source voltage for the IRF840?

The maximum drain-to-source voltage (Vdss) for the IRF840 is 500V.

What is the continuous drain current of the IRF840 at 25°C?

The continuous drain current (Id) at 25°C for the IRF840 is 8A.

What is the maximum on-resistance for the IRF840?

The maximum on-resistance (Rds(on)) for the IRF840 is 850mOhm at 4.8A and 10V.

What is the operating temperature range for the IRF840?

The operating temperature range for the IRF840 is -55°C to 150°C.

What package type is the IRF840 supplied in?

The IRF840 is supplied in a TO-220AB package.

How is the IRF840 mounted?

The IRF840 is mounted using the through-hole method.

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