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MF-MSMF050-2

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BOURNS Resettable Fuses, 1812. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Made with kicad-footprint-generator 10.0 · KiCad file format 20260206
Name Last commit message Last updated
docs mf-msmf050-2: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 24d ago
viewers mf-msmf050-2: viewers · Ray 1mo ago
mf-msmf050-2-etched.fit.json mf-msmf050-2: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
mf-msmf050-2-etched.glb mf-msmf050-2: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 24d ago
mf-msmf050-2-etched.step mf-msmf050-2: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 24d ago
mf-msmf050-2-hero.glb mf-msmf050-2: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 24d ago
mf-msmf050-2-hero.overlay.json mf-msmf050-2: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 24d ago
mf-msmf050-2.glb plain STEP: one free product with face colours (generated model was nested; tscircuit read it white) · Ray 24d ago
mf-msmf050-2.kicad_mod Publish 0.2.0 · Ray 1mo ago
mf-msmf050-2.kicad_sym mf-msmf050-2: KiCad Device:Fuse symbol instead of a box (two-terminal passive) · Ray 12d ago
mf-msmf050-2.lbr mf-msmf050-2: KiCad Device:Fuse symbol instead of a box (two-terminal passive) · Ray 12d ago
mf-msmf050-2.step plain STEP: one free product with face colours (generated model was nested; tscircuit read it white) · Ray 24d ago
package.json mf-msmf050-2: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 24d ago
page.json mf-msmf050-2: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 24d ago
README.md Publish 0.2.0 · Ray 1mo ago

MF-MSMF050-2

BOURNS · Resettable Fuses · 1812

MF-MSMF050-2 from BOURNS, in a 1812. 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 Terminal 1 of the non-polarized PTC resettable fuse (Ihold 0.50 A, Itrip 1.00 A at 23 °C, Vmax 15.0 V, Imax 100 A); interchangeable with terminal 2.
2 2 passive Terminal 2 of the non-polarized PTC resettable fuse (Ihold 0.50 A, Itrip 1.00 A at 23 °C, Vmax 15.0 V, Imax 100 A); interchangeable with terminal 1.

Key specifications

Parameter Value
Manufacturer BOURNS
Package 1812
Category Circuit Protection
Pins 2

CAD (KiCad official)

  • Symbol: MF-MSMF050-2
  • Footprint: Fuse:Fuse_1812_4532Metric
  • 3D model: 1812, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.9 mm nominal 1806 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)

Provenance

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

  • Datasheet: BOURNS datasheet (5 pp, sha256 1cfc3ae1da3d5aed, retrieved 2026-10-08, 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