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0453003.MR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

0453003.MR product

0453003.MR

Fuses

Surface MountVery Fast-ActingNANO2

The 0453003.MR is a 3A, 125V very fast-acting NANO2 surface mount fuse from Littelfuse, ideal for secondary side over-current protection in compact electronics.

Best for

  • Notebook PCs
  • LCD monitors
  • Power supplies
  • Telecom systems

Avoid if

  • Applications requiring slow-blow characteristics or voltages exceeding 125V.

Check before use

  • Verify the I2t melting value against your circuit's transient current spikes.

Key specifications

Rated Current
3 A
Rated Voltage
125 V
Response
Very Fast-Acting

Compliance & Environment

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

Application

Consumer ElectronicsPower Supplies

Datasheet

0453003.MR-Littelfuse-datasheet-137924873.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 0453003.MR: 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

It is a 3A, 125V very fast-acting surface mount fuse from the Littelfuse NANO2 453 series, designed for secondary side circuit protection.