SMD1812-350C-6V

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  "slug": "smd1812-350c-6v",
  "title": "SMD1812-350C-6V",
  "brief": "BNstar Resettable Fuses, 1812. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "SMD1812-350C-6V",
    "manufacturer": "BNstar",
    "package": "1812",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Resettable Fuses",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/04b5375ac7b5eba61fa289eba42147e2.pdf",
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    "distributor_links": {
      "lcsc": "C2760296"
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      "source": "Component Ocean /api/assign-pns",
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        "status": "quota"
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      "mouser": {
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    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "First terminal of the non-polarized PTC; device holds 3.5 A and trips at 7.0 A at 25 °C, with Vmax 6.0 V and Imax 100 A."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second terminal of the non-polarized PTC; device holds 3.5 A and trips at 7.0 A at 25 °C, with Vmax 6.0 V and Imax 100 A."
      }
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        "guard_notes": [
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        "at": "2026-10-17T19:51:12"
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        "total": 2,
        "described": 2,
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        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c116b1c8e512a5d99b4773563b6d53e3f60cc06bceea24402c7944a999e2ad72",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "BNstar",
      "Package": "1812",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
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      "rows": [
        {
          "name": "Minimum resistance (initial, un-soldered)",
          "symbol": "Rmin",
          "kind": "electrical",
          "unit": "Ω",
          "min": 0.008,
          "typ": null,
          "max": null,
          "conditions": "initial (un-soldered) state",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum resistance at 25℃ one hour after reflow",
          "symbol": "R1max",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 0.035,
          "conditions": "25℃, one hour after reflow soldering of 260℃ for 20 sec",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Trip current",
          "symbol": "IT",
          "kind": "electrical",
          "unit": "A",
          "min": 7,
          "typ": null,
          "max": null,
          "conditions": "25℃ still air, reflow 260℃ for 20 sec",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Hold current",
          "symbol": "IH",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 3.5,
          "conditions": "25℃ still air, reflow 260℃ for 20 sec",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum continuous voltage (rated voltage)",
          "symbol": "Vmax",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "at rated current",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum fault current",
          "symbol": "Imax",
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          "unit": "A",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "at rated voltage",
          "source_page": 1,
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        },
        {
          "name": "Maximum time to trip",
          "symbol": "Ttrip",
          "kind": "timing",
          "unit": "s",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "at assigned current 10.0 A, 25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical power dissipation",
          "symbol": "Pdtyp",
          "kind": "electrical",
          "unit": "W",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "still air environment",
          "source_page": 1,
          "source": "datasheet"
        }
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  "discovery_pitch": "SMD1812-350C-6V (BNstar) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
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    "email": "[email protected]"
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