main
Ray Set visibility: public 6009336 2d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "0603l050slyr",
  "title": "0603L050SLYR",
  "brief": "Littelfuse 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": [
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    "circuit protection",
    "0603l050slyr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "0603L050SLYR",
    "manufacturer": "Littelfuse",
    "package": "0603",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Resettable Fuses",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588910128950595584",
    "parts": {
      "symbol": "0603l050slyr.kicad_sym",
      "footprint": "0603l050slyr.kicad_mod",
      "model_3d": "0603l050slyr-hero.glb",
      "model_3d_plain": "0603l050slyr-etched.glb",
      "model_3d_step": "0603l050slyr-etched.step",
      "model_3d_step_plain": "0603l050slyr.step",
      "lbr": "0603l050slyr.lbr"
    },
    "distributor_links": {
      "lcsc": "C207014"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T12:46:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Non-polarized solder-plated copper terminal of the 0603L050SL PPTC (Ihold 0.50 A, Itrip 1.00 A, Vmax 6 Vdc, Imax 50 A); in series with the protected load."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second non-polarized solder-plated copper terminal of the 0603L050SL PPTC (Ihold 0.50 A, Itrip 1.00 A, Vmax 6 Vdc, Imax 50 A); in series with the protected load."
      }
    ],
    "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 package drawing (page 5) shows a two-terminal chip device with no pin numbers or pin n",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 7,
        "cost_usd": 0.2673,
        "at": "2026-10-18T12:46:10"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588910128950595584",
        "pages": 7,
        "sha256": "4299de209bcfb317",
        "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": "0603l050slyr.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": "0603l050slyr-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": "a5918a3fa7de34464c7bdc6f12b47194778479206efb8e787fda9dffe78e0e23",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Littelfuse",
      "Package": "0603",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "Terminal Material Solder-Plated Copper",
        "page": 4,
        "doc": "ds.pdf",
        "material": "Copper"
      },
      "version": 1,
      "datasheet_sha256": "4299de209bcfb317da117aa0520e7927c4b38a38083348bdf366fcdfab5888e5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4299de209bcfb317da117aa0520e7927c4b38a38083348bdf366fcdfab5888e5",
      "rows": [
        {
          "name": "Minimum resistance (un-soldered state)",
          "symbol": "R min",
          "kind": "electrical",
          "unit": "Ω",
          "min": 0.07,
          "typ": null,
          "max": null,
          "conditions": "Initial (un-soldered) state",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum resistance at 20°C after trip or reflow",
          "symbol": "R 1max",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 0.35,
          "conditions": "20°C, measured one hour after tripping or reflow soldering of 260°C for 20 sec",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Trip current",
          "symbol": "I trip",
          "kind": "electrical",
          "unit": "A",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "20°C still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum voltage device can withstand",
          "symbol": "V max",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "At rated current I max",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum fault current device can withstand",
          "symbol": "I max",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "At rated voltage V max",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum time-to-trip",
          "symbol": "",
          "kind": "electrical",
          "unit": "Sec.",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "At 8.00 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Hold current",
          "symbol": "I hold",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "20°C still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power dissipated in tripped state",
          "symbol": "P d",
          "kind": "electrical",
          "unit": "W",
          "min": null,
          "typ": 0.6,
          "max": null,
          "conditions": "Tripped state, 20°C still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Passive aging resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "+85°C, 1000 hours; typical resistance change",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Humidity aging resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -15,
          "typ": null,
          "max": 15,
          "conditions": "+85°C, 85% R.H., 100 hours; typical resistance change",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal shock resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": -30,
          "max": null,
          "conditions": "MIL-STD-202 Method 107, +85°C/-40°C 20 times; typical resistance change",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum device surface temperature in tripped state",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "Tripped state",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pre-heat minimum temperature",
          "symbol": "Ts(min)",
          "kind": "thermal",
          "unit": "°C",
          "min": 150,
          "typ": null,
          "max": null,
          "conditions": "Pb-free assembly, pre-heat",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pre-heat maximum temperature",
          "symbol": "Ts(max)",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Pb-free assembly, pre-heat",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Average ramp-up rate (Ts(max) to TP)",
          "symbol": "",
          "kind": "timing",
          "unit": "°C/second",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Pb-free assembly",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ramp-down rate",
          "symbol": "",
          "kind": "timing",
          "unit": "°C/second",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "Pb-free assembly",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Time 25°C to peak temperature",
          "symbol": "",
          "kind": "timing",
          "unit": "min",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "Pb-free assembly",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "0603l050slyr"
  ],
  "discovery_pitch": "0603L050SLYR (Littelfuse) 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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    "0603l050slyr.step",
    "0603l050slyr.lbr",
    "docs/hero.png",
    "docs/0603l050slyr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "0603l050slyr-hero.glb",
    "0603l050slyr-hero.overlay.json",
    "0603l050slyr-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}