main
Ray Set visibility: public 37e569e 12h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "smf28vtr",
  "title": "SMF28VTR",
  "brief": "ROHM Semicon TVS, SOD-123F. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "tvs-fuse-board level protection",
    "smf28vtr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SMF28VTR",
    "manufacturer": "ROHM Semicon",
    "package": "SOD-123F",
    "pin_count": 2,
    "category": "TVS/Fuse/Board Level Protection",
    "subcategory": "TVS",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/1675d9c1951ab9e793c8990e071d9a9d.pdf",
    "parts": {
      "symbol": "smf28vtr.kicad_sym",
      "footprint": "smf28vtr.kicad_mod",
      "model_3d": "smf28vtr-hero.glb",
      "model_3d_plain": "smf28vtr-etched.glb",
      "model_3d_step": "smf28vtr-etched.step",
      "model_3d_step_plain": "smf28vtr.step",
      "lbr": "smf28vtr.lbr"
    },
    "distributor_links": {
      "lcsc": "C1849674",
      "digikey": "846-SMF28VTR-ND",
      "mouser": "755-SMF28VTR"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T00:31:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "846-SMF28VTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "755-SMF28VTR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Terminal 1 of an unpolarised fuse; either orientation."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Terminal 2 of an unpolarised fuse; either orientation."
      }
    ],
    "provenance": {
      "extractor": "extract_pins",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins",
        "primary_model": "two-terminal convention",
        "primary_mode": "convention",
        "consensus_model": null,
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0298,
        "at": "2026-10-27T00:30:15"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/1675d9c1951ab9e793c8990e071d9a9d.pdf",
        "pages": 9,
        "sha256": "d6fc8606ed32edb6",
        "source_tier": "mfr"
      },
      "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": "smf28vtr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.5,
          1.6,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "132323445e3d1f9231e81c083cd88a33cd204dd8b96063bb2ed1f3ab4470c7e7",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "smf28vtr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.5,
          1.6,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "57418cf8772dafb0b5e65a3d241f907d4a42987f714ba890016cc163b7c02d46",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ROHM Semicon",
      "Package": "SOD-123F",
      "Category": "TVS/Fuse/Board Level Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d6fc8606ed32edb6532dfdc1ad89ea242dc825638e8eac618376f44a51b0f8e8",
      "rows": [
        {
          "name": "Breakdown voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 31.1,
          "typ": null,
          "max": null,
          "conditions": "IT=10 mA; VBR test time 40ms",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VR=28 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Clamping voltage",
          "symbol": "VCL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 45.4,
          "conditions": "IPP=4.4 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse stand-off voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 28,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Power",
          "symbol": "Ppp",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "tp=10/1000us",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Current",
          "symbol": "Ipp",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 4.4,
          "conditions": "tp=10/1000us",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "on Glass-epoxy substrate",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "ESD capability (air)",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "IEC61000-4-2 Air",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "ESD capability (contact)",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "IEC61000-4-2 Contact",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "smf28vtr"
  ],
  "discovery_pitch": "SMF28VTR (ROHM Semicon) 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",
    "smf28vtr.kicad_sym",
    "smf28vtr.kicad_mod",
    "smf28vtr.glb",
    "smf28vtr.step",
    "smf28vtr.lbr",
    "docs/hero.png",
    "docs/smf28vtr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "smf28vtr-hero.glb",
    "smf28vtr-hero.overlay.json",
    "smf28vtr-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}