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IRF840B

Manufacturer: Fairchild (now onsemi)
IRF840B datasheet preview

Datasheet Details

Part number IRF840B
Datasheet IRF840B_FairchildSemiconductor.pdf
File Size 919.65 KB
Manufacturer Fairchild (now onsemi)
Description 500V N-Channel MOSFET
IRF840B page 2 IRF840B page 3

IRF840B Overview

These N-Channel enhancement mode power field effect transistors are produced using Fairchild’s proprietary, planar, DMOS technology. This advanced technology has been especially tailored to minimize on-state resistance, provide superior switching performance, and withstand high energy pulse in the avalanche and mutation mode. These devices are well suited for high efficiency switch mode power supplies, power factor...

IRF840B Key Features

  • 8.0A, 500V, RDS(on) = 0.8Ω @VGS = 10 V
  • Low gate charge ( typical 41 nC)
  • Low Crss ( typical 35 pF)
  • Fast switching
  • 100% avalanche tested
  • Improved dv/dt capability

IRF840B from other manufacturers

See all manufacturers

Brand Logo Part Number Description Other Manufacturers
Vishay Logo IRF840B D Series Power MOSFET Vishay
STMicroelectronics Logo IRF840 N-Channel Power MOSFET STMicroelectronics
Intersil Corporation Logo IRF840 8A/ 500V/ 0.850 Ohm/ N-Channel Power MOSFET Intersil Corporation
International Rectifier Logo IRF840 N-Channel Power MOSFET International Rectifier
ART CHIP Logo IRF840 N-Channel Power MOSFET ART CHIP
Fairchild (now onsemi) logo - Manufacturer

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IRF840B Distributor

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