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MF-FSMF050X-2

Public Made by Adom

by adom

BOURNS Resettable Fuses, 0603. 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-fsmf050x-2: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
viewers mf-fsmf050x-2: symbol repaired (fuse) · Ray 5d ago
mf-fsmf050x-2-etched.fit.json mf-fsmf050x-2: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
mf-fsmf050x-2-etched.glb mf-fsmf050x-2: rebuilt as a full factory component page (was a placeholder) · Ray 1mo ago
mf-fsmf050x-2-etched.step mf-fsmf050x-2: rebuilt as a full factory component page (was a placeholder) · Ray 1mo ago
mf-fsmf050x-2-hero.glb mf-fsmf050x-2: hero GLB from the etched model (keeps the MPN mark) · Ray 1mo ago
mf-fsmf050x-2-hero.overlay.json Publish 0.2.0 · Ray 1mo ago
mf-fsmf050x-2.glb Publish 0.2.0 · Ray 1mo ago
mf-fsmf050x-2.kicad_mod Publish 0.2.0 · Ray 1mo ago
mf-fsmf050x-2.kicad_sym mf-fsmf050x-2: symbol repaired (fuse) · Ray 5d ago
mf-fsmf050x-2.lbr mf-fsmf050x-2: symbol repaired (fuse) · Ray 5d ago
mf-fsmf050x-2.step Publish 0.2.0 · Ray 1mo ago
package.json Publish 0.2.0 · Ray 1mo ago
page.json Set visibility: public · Ray 1mo ago
README.md Publish 0.2.0 · Ray 1mo ago

MF-FSMF050X-2

BOURNS · Resettable Fuses · 0603

MF-FSMF050X-2 from BOURNS, in a 0603. 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 First terminal of the nonpolar PTC resettable fuse (nickel/gold plated end termination), rated Ihold 0.50 A, Itrip 1.00 A, Vmax 6 V, Imax 40 A at 23 °C.
2 2 passive Second terminal of the nonpolar PTC resettable fuse (nickel/gold plated end termination), rated Ihold 0.50 A, Itrip 1.00 A, Vmax 6 V, Imax 40 A at 23 °C.

Key specifications

Parameter Value
Manufacturer BOURNS
Package 0603
Category Circuit Protection
Pins 2

CAD (KiCad official)

  • Symbol: MF-FSMF050X-2
  • Footprint: Fuse:Fuse_0603_1608Metric
  • 3D model: 0603 (KiCad packages3D, STEP)
  • 3D model files: mf-fsmf050x-2-etched.step / mf-fsmf050x-2-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mf-fsmf050x-2.step / mf-fsmf050x-2.glb are the bare package body.

Provenance

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

  • Datasheet: BOURNS datasheet (4 pp, sha256 eafab771a0e0a9ee, 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