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MF-R400 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

MF-R400 product

MF-R400

PTC Resettable Fuses

PTCResettable FuseBournsOvercurrent Protection

The Bourns MF-R400 is a 4A radial-leaded PTC resettable fuse designed for overcurrent protection in low-voltage circuits.

Best for

  • Overcurrent protection
  • Low voltage power supplies

Avoid if

  • High-temperature environments exceeding 85 °C

Check before use

  • Thermal derating requirements

Key specifications

Hold Current
4.0 A
Trip Current
8.0 A
Max Voltage
30 V
Max Fault Current
40 A

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
1
ECCN
EAR99
HTSUS
8533290000.0

Application

General ElectronicsAutomotivePower Supplies

Datasheet

Bourns-company-36.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for MF-R400: 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-R400 is a radial-leaded PTC (Positive Temperature Coefficient) resettable fuse from Bourns, part of the MF-R series.