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MF-R040 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

MF-R040 product

MF-R040

PTC Resettable Fuses

PTCResettable FuseBournsCircuit Protection

The Bourns MF-R040 is a radial-leaded PTC resettable fuse rated for 60V, with a 0.40A hold current and 0.80A trip current, suitable for overcurrent protection in low-voltage circuits.

Best for

  • Computers
  • General electronics
  • Automotive applications

Avoid if

  • Applications requiring high-speed switching or non-resettable protection

Check before use

  • Thermal derating based on ambient temperature

Key specifications

Hold Current
0.40 A
Trip Current
0.80 A
Max Voltage
60 V

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
1
ECCN
EAR99
HTSUS
8533408050.0

Application

General ElectronicsComputers

Datasheet

Bourns-company-36.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for MF-R040: 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
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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 MF-R040 is a radial-leaded PTC (Positive Temperature Coefficient) resettable fuse from Bourns, designed to protect low-voltage power supplies and loads.