1206TD-25A

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  "type": "component",
  "slug": "1206td-25a",
  "title": "1206TD-25A",
  "brief": "prosemi Disposable Fuses, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "1206TD-25A",
    "manufacturer": "prosemi",
    "package": "1206",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Disposable Fuses",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590222774342868992",
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      "lbr": "1206td-25a.lbr"
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    "distributor_links": {
      "lcsc": "C2937381"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T14:09:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "First end termination of the non-polarized 1206TD-25A chip fuse (25.0 A rating, 0.0022 ohm typical cold resistance), mounted on a 1.5 mm wide pad."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second end termination of the non-polarized 1206TD-25A chip fuse (25.0 A rating, 72Vdc @ 50A / 32Vdc @ 150A / 24Vdc @ 300A interrupting ratings per the table), mounted on a 1.5 mm wide pad."
      }
    ],
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      "factory_chain": {
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        "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 terminations with no pin numbers or names. Numbers 1 and 2 are a; The voltage rating column is not clearly tied to individual part numbers in the extracted text. The ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "cost_usd": 0.0993,
        "at": "2026-10-18T14:07:14"
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        "pages": 3,
        "sha256": "417cc80078d635cf",
        "source_tier": "lcsc"
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      "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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        "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": "5e6dcbe286696143d35a8ea37d91eef4b54ff3d1bd7c2c2b4dedda83d3f8e203",
        "checked": "2026-10-18",
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      },
      {
        "file": "1206td-25a-etched.step",
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        "zmin_mm": 0,
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    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "prosemi",
      "Package": "1206",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "417cc80078d635cf45f02eff25c8295e5a6f2f7b14a53d67629a706f7c3f9a0d",
      "rows": [
        {
          "name": "Opening time at 100% of amp rating (0.75~30A)",
          "symbol": "",
          "kind": "timing",
          "unit": "hours",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "100% of amp rating; amp rating 0.75~30A",
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        {
          "name": "Opening time at 350% of amp rating (6~30A)",
          "symbol": "",
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        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
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        {
          "name": "Ampere rating",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Typical cold resistance",
          "symbol": "",
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          "unit": "Ohms",
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          "typ": 0.0022,
          "max": null,
          "conditions": "DC cold resistance measured at <10% of rated current, ambient 25°C",
          "source_page": 1,
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        },
        {
          "name": "Typical melting I2t",
          "symbol": "I2t",
          "kind": "electrical",
          "unit": "A Sec",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "Measured at 10In current",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical voltage drop",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.091,
          "max": null,
          "conditions": "Measured at rated current after temperature has stabilized",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "1206TD-25A (prosemi) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}