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0440004.WR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

0440004.WR product

0440004.WR

Fuses

Ceramic FuseSMD12064A

The Littelfuse 0440004.WR is a 4A, 32V 1206-sized surface mount ceramic fuse designed for high-inrush current applications.

Best for

  • High-inrush circuits
  • Compact electronics
  • High-temperature environments

Avoid if

  • Applications exceeding 32V
  • Circuits requiring ultra-fast acting protection

Check before use

  • Thermal derating curve
  • Inrush current profile

Key specifications

Current Rating
4 A
Voltage Rating
32 V
Package
1206

Compliance & Environment

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

Application

Consumer ElectronicsComputing

Datasheet

0440004.WR-Littelfuse-datasheet-32023436.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 0440004.WR: 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

6
PartDetailsMatch
0440008.WRManufacturer

Review required

Review required

Design and risk insights

Questions & answers

It is a 4A, 32V surface mount ceramic fuse from the Littelfuse 440 series, optimized for high-inrush current protection in compact 1206 packages.