main
Ray Set visibility: public 44e3786 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "c2q-300",
  "title": "C2Q 300",
  "brief": "Bel Fuse Disposable 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",
    "c2q 300",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "C2Q 300",
    "manufacturer": "Bel Fuse",
    "package": "0603",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Disposable Fuses",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603010904389283840",
    "parts": {
      "symbol": "c2q-300.kicad_sym",
      "footprint": "c2q-300.kicad_mod",
      "model_3d": "c2q-300-hero.glb",
      "model_3d_plain": "c2q-300-etched.glb",
      "model_3d_step": "c2q-300-etched.step",
      "model_3d_step_plain": "c2q-300.step",
      "lbr": "c2q-300.lbr"
    },
    "distributor_links": {
      "lcsc": "C3162210",
      "digikey": "5923-C2Q300TR-ND",
      "mouser": "530-C2Q300"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T00:35:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "5923-C2Q300TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "530-C2Q300",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Fuse terminal 1 (Ag/Ni/Sn termination) of the 300mA, 0603 very fast-acting chip fuse; the fuse is non-polarized and rated 32V AC / 63V DC."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Fuse terminal 2 (Ag/Ni/Sn termination) of the 300mA, 0603 very fast-acting chip fuse; the fuse is non-polarized and interchangeable with terminal 1, with 35A interrupting rating at 32V AC and 50A at 63V DC."
      }
    ],
    "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 does not print pin numbers. It shows a two-terminal chip fuse with two end termination",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.1059,
        "at": "2026-10-18T00:33:04"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603010904389283840",
        "pages": 4,
        "sha256": "3f6e9730715cb576",
        "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": "c2q-300.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": "c2q-300-etched.step",
        "role": "eda",
        "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": "031aaca5306cc6863d942a82f5de58477cb67214359f6e139a20beb5773aa98a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Bel Fuse",
      "Package": "0603",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "Terminations : Ag / Ni / Sn (100% Lead-free) Element Cover Coating : Lead-free Glass",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "3f6e9730715cb57608a111930f154df947ecaa1ecccaed420c723a3f25aa7320"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "3f6e9730715cb57608a111930f154df947ecaa1ecccaed420c723a3f25aa7320",
      "rows": [
        {
          "name": "Blow time at 200% of rated current, maximum",
          "symbol": "",
          "kind": "timing",
          "unit": "sec",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "Testing current 200% of In",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Blow time at 300% of rated current, maximum",
          "symbol": "",
          "kind": "timing",
          "unit": "sec",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "Testing current 300% of In",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Blow time at 100% of rated current, minimum",
          "symbol": "",
          "kind": "timing",
          "unit": "Hrs",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "Testing current 100% of In",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Voltage rating, AC",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V AC",
          "min": null,
          "typ": null,
          "max": 32,
          "conditions": "Ampere range 250mA-4A (applies to C2Q 300)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Voltage rating, DC",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V DC",
          "min": null,
          "typ": null,
          "max": 63,
          "conditions": "Ampere range 250mA-4A (applies to C2Q 300)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Interrupting rating (short circuit), AC",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "@ 32V AC, ampere range 250mA-4A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Interrupting rating (short circuit), DC",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "@ 63V DC, ampere range 250mA-4A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Insulation resistance after opening",
          "symbol": "",
          "kind": "electrical",
          "unit": "ohms",
          "min": 10000,
          "typ": null,
          "max": null,
          "conditions": "After opening, MIL-STD-202G Method 302, Test Condition A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "IR reflow peak temperature",
          "symbol": "Tp",
          "kind": "thermal",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Lead-free IR reflow, IPC/JEDEC J-STD-020D",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ampere rating",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "Catalog C2Q 300",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Nominal cold resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "ohms",
          "min": null,
          "typ": 0.54,
          "max": null,
          "conditions": "Nominal cold resistance",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Nominal volt-drop",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.217,
          "max": null,
          "conditions": "@100% In",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Nominal melting I²T",
          "symbol": "",
          "kind": "electrical",
          "unit": "A² Sec",
          "min": null,
          "typ": 0.00003,
          "max": null,
          "conditions": "@10 In",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Nominal power dissipation",
          "symbol": "",
          "kind": "electrical",
          "unit": "W",
          "min": null,
          "typ": 0.07,
          "max": null,
          "conditions": "@100% In",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "c2q 300"
  ],
  "discovery_pitch": "C2Q 300 (Bel Fuse) 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",
    "c2q-300.kicad_sym",
    "c2q-300.kicad_mod",
    "c2q-300.glb",
    "c2q-300.step",
    "c2q-300.lbr",
    "docs/hero.png",
    "docs/c2q-300-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "c2q-300-hero.glb",
    "c2q-300-hero.overlay.json",
    "c2q-300-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}