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0451004.MRL AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

0451004.MRL product

0451004.MRL

Fuses

FuseSurface Mount4A125VLittelfuse

The 0451004.MRL is a 4A, 125V very fast-acting NANO2® surface mount fuse from Littelfuse, ideal for secondary side over-current protection in compact electronic circuits.

Best for

  • Notebook PCs
  • LCD monitors
  • Power supplies
  • Industrial equipment

Avoid if

  • High-voltage primary side protection
  • Applications requiring slow-blow characteristics

Check before use

  • Peak inrush current
  • Operating temperature environment

Key specifications

Current Rating
4 A
Voltage Rating
125 V
Response
Very Fast-Acting

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level 1
ECCN
-
HTSUS
-

Application

Consumer ElectronicsPower Supplies

Datasheet

0451004.MRL-Littelfuse-datasheet-10404964.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 0451004.MRL: 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

It is a 4A, 125V very fast-acting surface mount fuse from the Littelfuse 451 series, designed for space-constrained PCB applications.