component

0437.500WR

Public Made by Adom

by adom

Littelfuse Disposable Fuses, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 11d ago
viewers 0437-500wr: viewers · Ray 11d ago
0437-500wr-etched.glb 0437-500wr: factory component page (tier=lcsc) · Ray 11d ago
0437-500wr-etched.step 0437-500wr: factory component page (tier=lcsc) · Ray 11d ago
0437-500wr-hero.glb 0437-500wr: hero GLB from the etched model (keeps the MPN mark) · Ray 11d ago
0437-500wr-hero.overlay.json Publish 0.1.0 · Ray 11d ago
0437-500wr.glb Publish 0.1.0 · Ray 11d ago
0437-500wr.kicad_mod Publish 0.1.0 · Ray 11d ago
0437-500wr.kicad_sym Publish 0.1.0 · Ray 11d ago
0437-500wr.lbr Publish 0.1.0 · Ray 11d ago
0437-500wr.step Publish 0.1.0 · Ray 11d ago
package.json Publish 0.1.0 · Ray 11d ago
page.json Set visibility: public · Ray 11d ago
README.md Publish 0.1.0 · Ray 11d ago

0437.500WR

Littelfuse · Disposable Fuses · 1206

0437.500WR from Littelfuse, in a 1206. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1 passive One of two interchangeable Ag/Ni/Sn end terminations of the 0.500 A fast-acting fuse, rated 63 V AC/DC with 50 A @ 63 V AC/DC interrupting rating.
2 2 passive Second interchangeable end termination of the fuse, nominal resistance 0.908 ohm and 0.52 V nominal drop at rated current; device is non-polarized.

Key specifications

Parameter Value
Manufacturer Littelfuse
Package 1206
Category Circuit Protection
Pins 2

CAD (KiCad official)

  • Symbol: 0437.500WR
  • Footprint: Fuse:Fuse_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: 0437-500wr-etched.step / 0437-500wr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 0437-500wr.step / 0437-500wr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Littelfuse datasheet (3 pp, sha256 a7789cf92a0beba5, retrieved 2026-10-09, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF