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0437003.WR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

0437003.WR product

0437003.WR

Fuses

Fast-ActingCeramic1206Surface Mount

The 0437003.WR is a 3A, 32V fast-acting 1206 ceramic surface mount fuse from Littelfuse, optimized for high-temperature environments up to 150°C.

Best for

  • High-temperature electronics
  • LCD displays
  • Servers

Avoid if

  • Applications exceeding 32V AC/35V DC
  • Circuits requiring slow-blow characteristics

Check before use

  • Inrush current profiles
  • Reflow soldering temperature profiles

Key specifications

Current Rating
3 A
Voltage Rating
32 V
Package
1206

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
1
ECCN
-
HTSUS
-

Application

Consumer ElectronicsIndustrial Controls

Datasheet

139003.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 0437003.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 1206-sized fast-acting ceramic fuse rated for 3A and 32V, designed for high-reliability surface mount applications.