component
MF-MSMF075
Public Made by Adomby adom
BOURNS Resettable Fuses, 1812. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+38@@ -0,0 +1,38 @@+# MF-MSMF075++**BOURNS** · Resettable Fuses · 1812++MF-MSMF075 from BOURNS, in a 1812. 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 | P1 | passive | First end termination of the PTC resettable fuse; non-polarised, electroless Ni / immersion Au finish; carries up to Imax = 100 A fault current, Vmax = 13.2 V, Ihold = 0.75 A at 23 °C, Rmin = 0.11 Ω, R1max = 0.45 Ω. |+| 2 | P2 | passive | Second end termination of the PTC resettable fuse; non-polarised, electroless Ni / immersion Au finish; electrically identical to pin 1, trips at Itrip = 1.50 A at 23 °C within 8.0 s max, tripped power dissipation 0.8 W. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | BOURNS |+| Package | 1812 |+| Category | Circuit Protection |+| Pins | 2 |++## CAD (KiCad official)++- Symbol: `MF-MSMF075`+- Footprint: `Resistor_SMD:R_1812_4532Metric`+- 3D model: 1812 (KiCad packages3D, STEP)+- 3D model files: `mf-msmf075-etched.step` / `mf-msmf075-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mf-msmf075.step` / `mf-msmf075.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/8588884591285309440) (5 pp, sha256 `e0cfbb785a81edd0`, 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-msmf075-datasheet.pdf)
page.jsonadded+108@@ -0,0 +1,108 @@+{+ "slug": "mf-msmf075",+ "version": "0.1.0",+ "type": "component",+ "description": "BOURNS Resettable Fuses, 1812. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "circuit protection",+ "mf-msmf075",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "mf-msmf075.kicad_sym",+ "mf-msmf075.kicad_mod",+ "mf-msmf075.glb",+ "mf-msmf075.step",+ "mf-msmf075.lbr",+ "docs/hero.png",+ "docs/mf-msmf075-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "MF-MSMF075",+ "manufacturer": "BOURNS",+ "package": "1812",+ "pin_count": 2,+ "category": "Circuit Protection",+ "subcategory": "Resettable Fuses",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884591285309440",+ "parts": {+ "symbol": "mf-msmf075.kicad_sym",+ "footprint": "mf-msmf075.kicad_mod",+ "model_3d": "mf-msmf075-etched.glb",+ "model_3d_plain": "mf-msmf075.glb",+ "model_3d_step": "mf-msmf075-etched.step",+ "model_3d_step_plain": "mf-msmf075.step",+ "lbr": "mf-msmf075.lbr"+ },+ "distributor_links": {+ "lcsc": "C208467"+ },+ "pins": [+ {+ "number": "1",+ "name": "P1",+ "type": "passive",+ "description": "First end termination of the PTC resettable fuse; non-polarised, electroless Ni / immersion Au finish; carries up to Imax = 100 A fault current, Vmax = 13.2 V, Ihold = 0.75 A at 23 °C, Rmin = 0.11 Ω, R1max = 0.45 Ω."+ },+ {+ "number": "2",+ "name": "P2",+ "type": "passive",+ "description": "Second end termination of the PTC resettable fuse; non-polarised, electroless Ni / immersion Au finish; electrically identical to pin 1, trips at Itrip = 1.50 A at 23 °C within 8.0 s max, tripped power dissipation 0.8 W."+ }+ ],+ "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 Style 1 outline drawing (page 3) does not explicitly print pin numbers '1' and '2' on ",+ "vision extraction: provenance cannot be text-verified; needs consensus"+ ],+ "pages_sent": 5,+ "cost_usd": 0.2556,+ "at": "2026-09-23T16:56:19"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884591285309440",+ "pages": 5,+ "sha256": "e0cfbb785a81edd0",+ "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]"+ }+}