component
MF-FSMF050X-2
Public Made by Adomby adom
BOURNS Resettable Fuses, 0603. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+38@@ -0,0 +1,38 @@+# MF-FSMF050X-2++**BOURNS** · Resettable Fuses · 0603++MF-FSMF050X-2 from BOURNS, in a 0603. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | A | passive | Fuse terminal 1 - one of two symmetric, non-polarized nickel/gold-plated SMD pads; carries up to Ihold = 0.50 A (23 °C) continuous, Imax = 40 A fault, Vmax = 6 V, Rmin = 0.100 Ω, R1max = 0.800 Ω. |+| 2 | B | passive | Fuse terminal 2 - second of two symmetric, non-polarized nickel/gold-plated SMD pads; electrically equivalent to pin 1; carries up to Ihold = 0.50 A (23 °C) continuous, Imax = 40 A fault, Vmax = 6 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | BOURNS |+| Package | 0603 |+| Category | Circuit Protection |+| Pins | 2 |++## CAD (KiCad official)++- Symbol: `MF-FSMF050X-2`+- Footprint: `Resistor_SMD:R_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](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893912475426816) (4 pp, sha256 `eafab771a0e0a9ee`, retrieved 2026-09-23, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-sonnet-4-6` (text+vision), consensus `claude-opus-4-7` (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](docs/mf-fsmf050x-2-datasheet.pdf)
page.jsonadded+108@@ -0,0 +1,108 @@+{+ "slug": "mf-fsmf050x-2",+ "version": "0.1.0",+ "type": "component",+ "description": "BOURNS Resettable Fuses, 0603. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "circuit protection",+ "mf-fsmf050x-2",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "mf-fsmf050x-2.kicad_sym",+ "mf-fsmf050x-2.kicad_mod",+ "mf-fsmf050x-2.glb",+ "mf-fsmf050x-2.step",+ "mf-fsmf050x-2.lbr",+ "docs/hero.png",+ "docs/mf-fsmf050x-2-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "MF-FSMF050X-2",+ "manufacturer": "BOURNS",+ "package": "0603",+ "pin_count": 2,+ "category": "Circuit Protection",+ "subcategory": "Resettable Fuses",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893912475426816",+ "parts": {+ "symbol": "mf-fsmf050x-2.kicad_sym",+ "footprint": "mf-fsmf050x-2.kicad_mod",+ "model_3d": "mf-fsmf050x-2-etched.glb",+ "model_3d_plain": "mf-fsmf050x-2.glb",+ "model_3d_step": "mf-fsmf050x-2-etched.step",+ "model_3d_step_plain": "mf-fsmf050x-2.step",+ "lbr": "mf-fsmf050x-2.lbr"+ },+ "distributor_links": {+ "lcsc": "C210357"+ },+ "pins": [+ {+ "number": "1",+ "name": "A",+ "type": "passive",+ "description": "Fuse terminal 1 - one of two symmetric, non-polarized nickel/gold-plated SMD pads; carries up to Ihold = 0.50 A (23 °C) continuous, Imax = 40 A fault, Vmax = 6 V, Rmin = 0.100 Ω, R1max = 0.800 Ω."+ },+ {+ "number": "2",+ "name": "B",+ "type": "passive",+ "description": "Fuse terminal 2 - second of two symmetric, non-polarized nickel/gold-plated SMD pads; electrically equivalent to pin 1; carries up to Ihold = 0.50 A (23 °C) continuous, Imax = 40 A fault, Vmax = 6 V."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-sonnet-4-6",+ "primary_mode": "text+vision",+ "consensus_model": "claude-opus-4-7",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: The datasheet package drawing (page 2) shows a 2-terminal 0603 SMD outline but contains no printed p",+ "vision extraction: provenance cannot be text-verified; needs consensus"+ ],+ "pages_sent": 4,+ "cost_usd": 0.1738,+ "at": "2026-09-23T15:11:21"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893912475426816",+ "pages": 4,+ "sha256": "eafab771a0e0a9ee",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 2,+ "described": 2,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}