main
Ray Set visibility: public 1ea6b1f 21d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "jk-msmd300l-6",
  "title": "JK-mSMD300L-6",
  "brief": "Jinrui Electronic Materials Co Resettable Fuses, 1812. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "circuit protection",
    "jk-msmd300l-6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "JK-mSMD300L-6",
    "manufacturer": "Jinrui Electronic Materials Co",
    "package": "1812",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Resettable Fuses",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590454705760464896",
    "parts": {
      "symbol": "jk-msmd300l-6.kicad_sym",
      "footprint": "jk-msmd300l-6.kicad_mod",
      "model_3d": "jk-msmd300l-6-hero.glb",
      "model_3d_plain": "jk-msmd300l-6-etched.glb",
      "model_3d_step": "jk-msmd300l-6-etched.step",
      "model_3d_step_plain": "jk-msmd300l-6.step",
      "lbr": "jk-msmd300l-6.lbr"
    },
    "distributor_links": {
      "lcsc": "C5224414"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T05:04:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Terminal 1 of an unpolarised fuse; either orientation."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Terminal 2 of an unpolarised fuse; either orientation."
      }
    ],
    "provenance": {
      "extractor": "extract_pins",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins",
        "primary_model": "two-terminal convention",
        "primary_mode": "convention",
        "consensus_model": null,
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0725,
        "at": "2026-10-19T05:03:07"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590454705760464896",
        "pages": 8,
        "sha256": "e67a941ead1377dd",
        "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"
    },
    "models_3d": [
      {
        "file": "jk-msmd300l-6.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": "4667f9686e2592417c3fcda23dc7564f1185f48daa4705c0bcdcadd34c32e21c",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "jk-msmd300l-6-etched.step",
        "role": "eda",
        "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": "df74959dbea3a67df06591c2144afad71f45d9c68ac4b59471829ca889b02838",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Jinrui Electronic Materials Co",
      "Package": "1812",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "Terminal Materials Tin-Plated Nickle-copper",
        "page": 4,
        "doc": "ds.pdf",
        "material": "copper",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "e67a941ead1377ddc6a47874a69eaeadb328f03f771cdc2fce23859434b58a66"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e67a941ead1377ddc6a47874a69eaeadb328f03f771cdc2fce23859434b58a66",
      "rows": [
        {
          "name": "Initial resistance minimum (RiMIN)",
          "symbol": "RiMIN",
          "kind": "electrical",
          "unit": "Ω",
          "min": 0.003,
          "typ": null,
          "max": null,
          "conditions": "In still air at 25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum device resistance (measured one hour post reflow)",
          "symbol": "R1MAX",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 0.022,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum continuous voltage device can withstand without damage (rated voltage)",
          "symbol": "VMAX",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum fault current device can withstand without damage (at rated voltage)",
          "symbol": "IMAX",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Hold current (maximum current at which device will not interrupt, 25℃ still air)",
          "symbol": "IH",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "30min, at IH, 25℃ (holding current test: no trip)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Trip current (minimum current at which device switches to high resistance, 25℃ still air)",
          "symbol": "IT",
          "kind": "electrical",
          "unit": "A",
          "min": 6,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum time to trip at assigned current (15.0 A column)",
          "symbol": "",
          "kind": "timing",
          "unit": "sec",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Specified current 15.0 A, VMAX, 25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Typical power dissipation in 25℃ still air",
          "symbol": "PD",
          "kind": "electrical",
          "unit": "W",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Passive aging resistance change (typical)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "85℃, 1000 hours",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Humidity aging resistance change (typical)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "85℃/85%RH, 100 hours",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal shock resistance change (typical)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": null,
          "typ": -30,
          "max": null,
          "conditions": "MIL-STD-202 Method 107G, +85℃/-40℃, 20 times",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Average ramp up rate (TsMAX to Tp), Pb-free reflow",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃/second",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Pb-free assembly reflow profile",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Peak/classification temperature (TP), Pb-free reflow",
          "symbol": "TP",
          "kind": "thermal",
          "unit": "℃",
          "min": null,
          "typ": 260,
          "max": null,
          "conditions": "Pb-free assembly reflow profile",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Time within 5℃ of actual peak temperature (TP), Pb-free reflow",
          "symbol": "",
          "kind": "timing",
          "unit": "seconds",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "Pb-free assembly reflow profile",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Time 25℃ to peak temperature, Pb-free reflow",
          "symbol": "",
          "kind": "timing",
          "unit": "minutes",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "Pb-free assembly reflow profile",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Ramp down rate, Pb-free reflow",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃/second",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Pb-free assembly reflow profile",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "jk-msmd300l-6"
  ],
  "discovery_pitch": "JK-mSMD300L-6 (Jinrui Electronic Materials Co) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "jk-msmd300l-6.kicad_sym",
    "jk-msmd300l-6.kicad_mod",
    "jk-msmd300l-6.glb",
    "jk-msmd300l-6.step",
    "jk-msmd300l-6.lbr",
    "docs/hero.png",
    "docs/jk-msmd300l-6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "jk-msmd300l-6-hero.glb",
    "jk-msmd300l-6-hero.overlay.json",
    "jk-msmd300l-6-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}