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IRF840 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

IRF840 product

IRF840

MOSFETs - Single

MOSFETN-Channel500VTO-220

The IRF840 is a 500V N-Channel MOSFET designed for high-efficiency power applications, featuring a 9A continuous drain current and 0.68Ω on-resistance in a TO-220 package.

Best for

  • Switch mode power supplies
  • Power factor correction

Avoid if

  • Applications requiring extremely low RDS(on) or surface-mount packaging

Check before use

  • Thermal design and gate drive voltage

Key specifications

Vdss
500V
Id
9A
Rds(on)
0.68Ω

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power Supplies

Datasheet

65883b456f252e7080ea2b7764dc65bd_irf840_SiHF840_RevD_5-2-16.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for IRF840: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The IRF840 is a 500V N-Channel power MOSFET optimized for fast switching and high ruggedness in power supply applications.