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0437004.WR1 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

0437004.WR1 product

0437004.WR1

Integrated Circuits (ICs)

Fast-Acting1206Ceramic Fuse

The 0437004.WR1 is a 4A, 63V fast-acting 1206 surface mount fuse from Littelfuse, optimized for high-temperature applications up to 150°C.

Best for

  • High-temperature electronics
  • LCD displays
  • Data modems

Avoid if

  • Applications requiring slow-blow characteristics
  • Circuits exceeding 63V

Check before use

  • Continuous current derating requirements

Key specifications

Current Rating
4 A
Voltage Rating
63 V
Operating Temp
-55°C to +150°C

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
1
ECCN
-
HTSUS
-

Application

Consumer ElectronicsIndustrial Controls

Datasheet

6009997525b5f97b8f738d2f2702c639_2208171700_Littelfuse-0437004-WR1_C3345204.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 0437004.WR1: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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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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Where to Buy

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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 4A and 63V, designed for high-reliability circuit protection.