IRF843 The Samsung Electronics IRF843 is an N-Channel enhancement mode power MOSFET. It offers a 450V Drain-Source Voltage and 7A Continuous Drain Current.
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IRF843

Available from 1 distributors
Mfr Name: Samsung Electronics
Samsung Electronics
The Samsung Electronics IRF843 is an N-Channel enhancement mode power MOSFET. It offers a 450V Drain-Source Voltage and 7A Continuous Drain Current.
✓ Total Stock: 938 pcs
$ Price Range: $0.45

IRF843 Available from 1 distributor

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IRF843 Specifications Quick View

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IRF843 Description

Short technical summary and product information.

The IRF843 from Samsung Electronics is an N-Channel enhancement mode silicon gate power MOSFET. Designed for high-speed switching applications, it is suitable for use in switching regulators, converters, and motor drivers.

 

Key electrical characteristics include a maximum Drain-Source Voltage of 450V and a Continuous Drain Current of 7A at 25°C, reducing to 4.4A at 100°C. The device features a typical On-Resistance of 0.85Ω and a maximum power dissipation of 125W. It is rated for a single pulse avalanche energy of 510mJ.

 

This MOSFET operates within a temperature range of -55°C to 150°C. It is packaged in a standard TO-220AB through-hole configuration, designed for easy mounting on printed circuit boards. The device is sensitive to electrostatic discharge and requires proper handling procedures.

 

Applications include relay drivers, drivers for high power bipolar switching transistors, and direct operation from integrated circuits.

IRF843 Quick Information

Product Type: N-Channel Power MOSFET
Canonical Name: IRF843 N-Channel Power MOSFET
Subcategory: N-Channel

IRF843 Compliance

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

IRF843 Estimated Pricing

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1+ $0.45 $0.45

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

IRF843 Features

  • N-Channel enhancement mode power MOSFET.
  • 450V maximum Drain-Source Voltage.
  • 7A continuous drain current.
  • 0.85Ω typical On-Resistance.
  • TO-220AB package for through-hole mounting.

IRF843 Applications

  • Switching regulators and converters.
  • Motor driver applications.
  • High power bipolar transistor drivers.
  • Direct operation from ICs.

IRF843 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the maximum Drain-Source Voltage for the IRF843?

The maximum Drain-Source Voltage for the IRF843 is 450V.

What is the continuous drain current of the IRF843 at 25°C?

The continuous drain current of the IRF843 at 25°C is 7A.

What is the typical On-Resistance of the IRF843?

The typical On-Resistance of the IRF843 is 0.85Ω.

What is the operating temperature range for the IRF843?

The operating temperature range for the IRF843 is -55°C to 150°C.

What package type is the IRF843 supplied in?

The IRF843 is supplied in a TO-220AB package.

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