main
Ray Set visibility: public 4e21a82 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "jk-msmd010sf",
  "title": "JK-mSMD010SF",
  "brief": "Shenzhen Jinkaisheng Elec Resettable Fuses, 1812. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "circuit protection",
    "jk-msmd010sf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "JK-mSMD010SF",
    "manufacturer": "Shenzhen Jinkaisheng Elec",
    "package": "1812",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Resettable Fuses",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588903781479800833",
    "parts": {
      "symbol": "jk-msmd010sf.kicad_sym",
      "footprint": "jk-msmd010sf.kicad_mod",
      "model_3d": "jk-msmd010sf-hero.glb",
      "model_3d_plain": "jk-msmd010sf-etched.glb",
      "model_3d_step": "jk-msmd010sf-etched.step",
      "model_3d_step_plain": "jk-msmd010sf.step",
      "lbr": "jk-msmd010sf.lbr"
    },
    "distributor_links": {
      "lcsc": "C369554"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T08:08:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "First terminal pad (tin-plated Nickel-Copper) of the non-polarized PTC device, 0.10 A hold, 0.30 A trip, 30 V dc max, 100 A max fault current."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second terminal pad (tin-plated Nickel-Copper) of the non-polarized PTC device, 0.10 A hold, 0.30 A trip, 30 V dc max, 100 A max fault current."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet shows two identical end terminations (pads) on the 1812 body and gives no pin numbers ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 6,
        "cost_usd": 0.1401,
        "at": "2026-10-19T08:05:32"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588903781479800833",
        "pages": 6,
        "sha256": "1b2453224b329474",
        "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"
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    "models_3d": [
      {
        "file": "jk-msmd010sf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.52,
          3.22,
          0.9
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4dfed6e4c37f2cd92c2feabf8b4fa117bb52578f62697a28fb100a963df8317c",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "jk-msmd010sf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd8f9e12e3e69b57787ff270b9cd832dcd3e166a5103c40d3d104168478df8cc",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shenzhen Jinkaisheng Elec",
      "Package": "1812",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "Terminal pad materials:Tin-plated Nickel-Copper",
        "page": 4,
        "doc": "ds.pdf",
        "material": "Copper",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "1b2453224b329474f3e75be855bab2d4a266fd75f86637814e2c55cfcd476f78"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1b2453224b329474f3e75be855bab2d4a266fd75f86637814e2c55cfcd476f78",
      "rows": [
        {
          "name": "Maximum operating voltage (Vmax)",
          "symbol": "Vmax",
          "kind": "electrical",
          "unit": "V dc",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "Without damage at rated current (Imax)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum fault current (Imax)",
          "symbol": "Imax",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Without damage at rated voltage (Vmax)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Hold current (Ihold)",
          "symbol": "Ihold",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "25°C still air; device will not trip",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Trip current (Itrip)",
          "symbol": "Itrip",
          "kind": "electrical",
          "unit": "A",
          "min": 0.3,
          "typ": null,
          "max": null,
          "conditions": "25°C still air; device will always trip",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Minimum resistance prior to tripping (Ri min)",
          "symbol": "Ri",
          "kind": "electrical",
          "unit": "Ω",
          "min": 0.75,
          "typ": null,
          "max": null,
          "conditions": "25°C, prior to tripping",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum resistance post reflow (R1max)",
          "symbol": "R1",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "Measured one hour post reflow",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Ambient operating temperature",
          "symbol": "Ta",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Ambient operating conditions",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum surface temperature in tripped state",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "Device in the tripped state",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Passive aging resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "+85°C, 1000 hrs; printed as ±5% typical",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Humidity aging resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "+85°C, 85% R.H., 168 hours; printed as ±5% typical",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal shock resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -33,
          "typ": null,
          "max": 33,
          "conditions": "+85°C to -40°C, 20 times; printed as ±33% typical",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Time to trip",
          "symbol": "",
          "kind": "timing",
          "unit": "s",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation in tripped state (Pd)",
          "symbol": "Pd",
          "kind": "electrical",
          "unit": "W",
          "min": null,
          "typ": 0.8,
          "max": null,
          "conditions": "Tripped state, 25°C still air, at rated voltage",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Recommended hold current at ambient -40°C",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": 0.16,
          "max": null,
          "conditions": "Ambient -40°C (thermal derating chart, SMD1812-010SF)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Recommended hold current at ambient -20°C",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": 0.14,
          "max": null,
          "conditions": "Ambient -20°C (thermal derating chart, SMD1812-010SF)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Recommended hold current at ambient 0°C",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": 0.12,
          "max": null,
          "conditions": "Ambient 0°C (thermal derating chart, SMD1812-010SF)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Recommended hold current at ambient 25°C",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "Ambient 25°C (thermal derating chart, SMD1812-010SF)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Recommended hold current at ambient 40°C",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": 0.08,
          "max": null,
          "conditions": "Ambient 40°C (thermal derating chart, SMD1812-010SF)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Recommended hold current at ambient 50°C",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": 0.07,
          "max": null,
          "conditions": "Ambient 50°C (thermal derating chart, SMD1812-010SF)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Recommended hold current at ambient 60°C",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": 0.06,
          "max": null,
          "conditions": "Ambient 60°C (thermal derating chart, SMD1812-010SF)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Recommended hold current at ambient 70°C",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": 0.05,
          "max": null,
          "conditions": "Ambient 70°C (thermal derating chart, SMD1812-010SF)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Recommended hold current at ambient 85°C",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": 0.03,
          "max": null,
          "conditions": "Ambient 85°C (thermal derating chart, SMD1812-010SF)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 35,
          "conditions": "Storage condition",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage relative humidity",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "%RH",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "Storage condition",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak reflow temperature (Tp)",
          "symbol": "Tp",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Pb-free assembly reflow profile peak",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
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    "info"
  ],
  "discovery_triggers": [
    "jk-msmd010sf"
  ],
  "discovery_pitch": "JK-mSMD010SF (Shenzhen Jinkaisheng Elec) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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    "path": "docs/hero.png"
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  "visibility": {
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}