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0438004.WR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

0438004.WR product

0438004.WR

Fuses

Ceramic FuseFast-Acting0603Littelfuse

The 0438004.WR is a 4A, 32VDC fast-acting ceramic surface-mount fuse in an 0603 package, optimized for high-temperature environments up to 150°C.

Best for

  • Handheld electronics
  • Battery packs
  • High-temperature circuits

Avoid if

  • Applications requiring voltage ratings above 32VDC

Check before use

  • Continuous current load (recommended <80% of rating)

Key specifications

Current Rating
4A
Voltage Rating
32VDC
Package
0603
Max Temp
150°C

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
1
ECCN
-
HTSUS
-

Application

Consumer ElectronicsBattery Management

Datasheet

0438004.WR-Littelfuse-datasheet-41193622.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 0438004.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
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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 fast-acting ceramic fuse from the Littelfuse 438 series, rated for 4A and 32VDC, designed for space-constrained surface-mount applications.