SMD0603-004

{
  "schema_version": 1,
  "type": "component",
  "slug": "smd0603-004",
  "title": "SMD0603-004",
  "brief": "BORN Resettable Fuses, 0603. 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",
    "smd0603-004",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SMD0603-004",
    "manufacturer": "BORN",
    "package": "0603",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Resettable Fuses",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590172740566491136",
    "parts": {
      "symbol": "smd0603-004.kicad_sym",
      "footprint": "smd0603-004.kicad_mod",
      "model_3d": "smd0603-004-hero.glb",
      "model_3d_plain": "smd0603-004-etched.glb",
      "model_3d_step": "smd0603-004-etched.step",
      "model_3d_step_plain": "smd0603-004.step",
      "lbr": "smd0603-004.lbr"
    },
    "distributor_links": {
      "lcsc": "C2687871"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T23:12:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "First terminal pad of the non-polarized PTC resettable fuse (tin-plated nickel-copper); the SMD0603-004/15N is rated 15 V dc max, 20 A max fault current, 0.04 A hold and 0.12 A trip at 25°C."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second terminal pad of the non-polarized PTC resettable fuse (tin-plated nickel-copper); the SMD0603-004/15N is rated 15 V dc max, 20 A max fault current, 0.04 A hold and 0.12 A trip at 25°C."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "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 drawing shows two end-termination pads with no printed pin numbers or names. Pins \"1\" ; The MPN SMD0603-004 has no suffix. I matched it to the datasheet row SMD0603-004/15N (15 V, Ihold 0.",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.128,
        "at": "2026-10-18T23:10:47"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590172740566491136",
        "pages": 5,
        "sha256": "aba1db431db69e76",
        "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": "smd0603-004.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.6,
          0.8,
          0.45
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2178c56deff687266eecad5e197b7ab2d230afae45def1320cff0ea839f46b49",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "smd0603-004-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          0.8,
          0.45
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "90dc8188fd0ae1c7ce0480951980cda279f11ae61bbbb257d5067f476ce9625a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BORN",
      "Package": "0603",
      "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": "aba1db431db69e761ec215bd047aef6813010ecc0c3e16329baca512ba99ef90"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "aba1db431db69e761ec215bd047aef6813010ecc0c3e16329baca512ba99ef90",
      "rows": [
        {
          "name": "Device resistance prior to tripping (Ri min)",
          "symbol": "Ri min",
          "kind": "electrical",
          "unit": "Ω",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "25°C, prior to tripping",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum device resistance one hour post reflow",
          "symbol": "R1max",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "25°C, measured one hour post reflow",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum operating voltage",
          "symbol": "V max",
          "kind": "recommended_operating",
          "unit": "V dc",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "at rated current Imax",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum fault current",
          "symbol": "Imax",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "at rated voltage V max",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Trip current (minimum current that always trips)",
          "symbol": "I trip",
          "kind": "electrical",
          "unit": "A",
          "min": 0.12,
          "typ": null,
          "max": null,
          "conditions": "25°C still air",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Ambient operating temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "ambient operating",
          "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 tripped state",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Resistance change, passive aging",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "+85°C, 1000 hrs; typical",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Resistance change, humidity aging",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "+85°C, 85% R.H., 168 hours; typical",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Resistance change, thermal shock",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -33,
          "typ": null,
          "max": 33,
          "conditions": "+85°C to -40°C, 20 times; typical",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Average ramp-up rate (Ts max to Tp)",
          "symbol": "",
          "kind": "timing",
          "unit": "℃/second",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Pb-free assembly",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ramp-down rate",
          "symbol": "",
          "kind": "timing",
          "unit": "℃/second",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "Pb-free assembly",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Time 25℃ to peak temperature",
          "symbol": "",
          "kind": "timing",
          "unit": "minutes",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "25℃ to peak temperature",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Preheat temperature (Ts min to Ts max)",
          "symbol": "Ts",
          "kind": "thermal",
          "unit": "℃",
          "min": 150,
          "typ": null,
          "max": 200,
          "conditions": "Preheat, Pb-free assembly",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Preheat time (Ts min to Ts max)",
          "symbol": "",
          "kind": "timing",
          "unit": "seconds",
          "min": 60,
          "typ": null,
          "max": 180,
          "conditions": "Preheat, Pb-free assembly",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Time maintained above TL",
          "symbol": "tL",
          "kind": "timing",
          "unit": "seconds",
          "min": 60,
          "typ": null,
          "max": 150,
          "conditions": "above TL 217℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": 0,
          "typ": null,
          "max": 35,
          "conditions": "storage condition",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage humidity",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "%RH",
          "min": 30,
          "typ": null,
          "max": 60,
          "conditions": "storage condition",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Recommended maximum paste thickness",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "mm",
          "min": null,
          "typ": null,
          "max": 0.25,
          "conditions": "reflow",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hold current (device will not trip, 25°C still air)",
          "symbol": "I hold",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 0.04,
          "max": null,
          "conditions": "@25°C still air",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation in tripped state",
          "symbol": "Pd",
          "kind": "electrical",
          "unit": "W",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "tripped state, 25°C still air, at rated voltage",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Time to trip",
          "symbol": "",
          "kind": "electrical",
          "unit": "Sec",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "at trip current 0.20 A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak temperature (Tp)",
          "symbol": "Tp",
          "kind": "thermal",
          "unit": "℃",
          "min": null,
          "typ": 260,
          "max": null,
          "conditions": "Pb-free reflow profile",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Time maintained above TL, liquidus temperature",
          "symbol": "TL",
          "kind": "thermal",
          "unit": "℃",
          "min": null,
          "typ": 217,
          "max": null,
          "conditions": "Pb-free reflow profile",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Recommended hold current at ambient -40°C",
          "symbol": "I hold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": 0.052,
          "max": null,
          "conditions": "ambient -40°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Recommended hold current at ambient -20°C",
          "symbol": "I hold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": 0.048,
          "max": null,
          "conditions": "ambient -20°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Recommended hold current at ambient 0°C",
          "symbol": "I hold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": 0.044,
          "max": null,
          "conditions": "ambient 0°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Recommended hold current at ambient 25°C",
          "symbol": "I hold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": 0.04,
          "max": null,
          "conditions": "ambient 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Recommended hold current at ambient 40°C",
          "symbol": "I hold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": 0.032,
          "max": null,
          "conditions": "ambient 40°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Recommended hold current at ambient 50°C",
          "symbol": "I hold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": 0.028,
          "max": null,
          "conditions": "ambient 50°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Recommended hold current at ambient 60°C",
          "symbol": "I hold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": 0.024,
          "max": null,
          "conditions": "ambient 60°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Recommended hold current at ambient 70°C",
          "symbol": "I hold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": 0.02,
          "max": null,
          "conditions": "ambient 70°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Recommended hold current at ambient 85°C",
          "symbol": "I hold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": 0.012,
          "max": null,
          "conditions": "ambient 85°C",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "smd0603-004"
  ],
  "discovery_pitch": "SMD0603-004 (BORN) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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    "smd0603-004.step",
    "smd0603-004.lbr",
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    "viewers/footprint.html",
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    "smd0603-004-etched.glb"
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  "visibility": {
    "public": true
  }
}