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R12.100.4.5

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Reomax 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
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docs Publish 0.1.0 · Ray 20d ago
viewers r12-100-4-5: viewers · Ray 20d ago
package.json Publish 0.1.0 · Ray 20d ago
page.json Set visibility: public · Ray 20d ago
r12-100-4-5-etched.glb Publish 0.1.0 · Ray 20d ago
r12-100-4-5-etched.step r12-100-4-5: factory component page (tier=lcsc) · Ray 20d ago
r12-100-4-5-hero.glb r12-100-4-5: hero GLB from the etched model (keeps the MPN mark) · Ray 20d ago
r12-100-4-5-hero.overlay.json Publish 0.1.0 · Ray 20d ago
r12-100-4-5.glb Publish 0.1.0 · Ray 20d ago
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r12-100-4-5.kicad_sym Publish 0.1.0 · Ray 20d ago
r12-100-4-5.lbr Publish 0.1.0 · Ray 20d ago
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README.md Publish 0.1.0 · Ray 20d ago

R12.100.4.5

Reomax · Disposable Fuses · 1206

R12.100.4.5 from Reomax, 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 silver over-plated tin terminations of the 3.20 x 1.60 mm 1206 fuse body; the 4.5A element (marked R12.100.4.5) is rated 125Vdc max per the 'rated voltage' table, so check the table for this rating.
2 2 passive The other interchangeable silver over-plated tin termination of the 1206 fuse; the element opens on overcurrent, and the fuse is non-polarized.

Key specifications

Parameter Value
Manufacturer Reomax
Package 1206
Category Circuit Protection
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Operating temperature -55 125 °C Consult temperature rerating curve chart 2
Insulation resistance (after opening) 10000 ohm After opening; greater than 10,000 ohms 2
Opening time at 100% of rated current 4 hours 100% of amp rating 1
Opening time at 300% of rated current 0.1 3 s 1A~5A rated current; 300% of amp rating 1
Opening time at 250% of rated current 5 s 1A~5A rated current; 250% of amp rating 1
Opening time at 1000% of rated current 0.2 20 ms 250mA~30A rated current; 1000% of amp rating 1
Rated current 4.5 A 1

CAD (KiCad official)

  • Symbol: R12.100.4.5
  • Footprint: Fuse:Fuse_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: r12-100-4-5-etched.step / r12-100-4-5-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); r12-100-4-5.step / r12-100-4-5.glb are the bare package body.

Provenance

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

  • Datasheet: Reomax datasheet (4 pp, sha256 a1d9b0fb531823b9, retrieved 2026-10-19, 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