main
Ray Set visibility: public 7a97a42 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ss451a",
  "title": "SS451A",
  "brief": "Honeywell Hall Switches, TO-92S. 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",
    "magnetic sensors",
    "ss451a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SS451A",
    "manufacturer": "Honeywell",
    "package": "TO-92S",
    "pin_count": 3,
    "category": "Magnetic Sensors",
    "subcategory": "Hall Switches",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588892171495739392",
    "parts": {
      "symbol": "ss451a.kicad_sym",
      "footprint": "ss451a.kicad_mod",
      "model_3d": "ss451a-hero.glb",
      "model_3d_plain": "ss451a-etched.glb",
      "model_3d_step": "ss451a-etched.step",
      "model_3d_step_plain": "ss451a.step",
      "lbr": "ss451a.lbr"
    },
    "distributor_links": {
      "lcsc": "C396069"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T18:14:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VS",
        "type": "power_in",
        "description": "Supply voltage pin, operating range 3 V to 24 V DC (absolute maximum -28 V to 28 V), with 3.5 to 6 mA typical supply current."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (-) reference pin for the supply and the sinking output."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "output",
        "description": "Current-sinking digital output that goes low (Vsat max 0.4 V at 20 mA) when a North or South pole is sensed, up to 20 mA max output current, applied voltage -0.5 V to 28 V, and 10 µA max leakage when off."
      }
    ],
    "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: Figure 6 (SS451A) labels the leads VS, GND, OUT from left to right in the front view but prints no p; The datasheet calls the SS451A a through-hole part but never says 'TO-92S'. The package name comes f",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.1139,
        "at": "2026-10-18T18:12:10"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588892171495739392",
        "pages": 4,
        "sha256": "2ca047ac2ac8950e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ss451a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ss451a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "6cafd5584e7dd5f42c39fec220d7e9b0d9dc73c88e75d3308283e5988cd50579",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Honeywell",
      "Package": "TO-92S",
      "Category": "Magnetic Sensors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "2ca047ac2ac8950eb70bb48faacb49b84ae8d8edd35a6bb54865b97dcdd44355",
      "rows": [
        {
          "name": "Supply voltage (SS451A/SS551AT)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 24,
          "conditions": "-40 °C to 150 °C [-40 °F to 302 °F]",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage absolute maximum",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -28,
          "typ": null,
          "max": 28,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Applied output voltage absolute maximum",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 28,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output current absolute maximum",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Vsat",
          "symbol": "Vsat",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "at 20 mA, Gauss > Bop positive or Gauss < Bop negative",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output leakage current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "Gauss > Bop+ or < Bop-",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output switching time rise",
          "symbol": "",
          "kind": "electrical",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "Vsupply = 12 V at 25 °C [77 °F], RL =1.6 kOhm, CL = 20 pF",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output switching time fall",
          "symbol": "",
          "kind": "electrical",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "Vsupply = 12 V at 25 °C [77 °F], RL =1.6 kOhm, CL = 20 pF",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operate point positive",
          "symbol": "",
          "kind": "electrical",
          "unit": "Gauss",
          "min": 35,
          "typ": 85,
          "max": 135,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operate point negative",
          "symbol": "",
          "kind": "electrical",
          "unit": "Gauss",
          "min": -135,
          "typ": -85,
          "max": -35,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Release point positive",
          "symbol": "",
          "kind": "electrical",
          "unit": "Gauss",
          "min": 10,
          "typ": 40,
          "max": 120,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Release point negative",
          "symbol": "",
          "kind": "electrical",
          "unit": "Gauss",
          "min": -120,
          "typ": -40,
          "max": -10,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Differential (hysteresis)",
          "symbol": "",
          "kind": "electrical",
          "unit": "Gauss",
          "min": 5,
          "typ": 45,
          "max": 80,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "electrical",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply current (Vsupply = 5 V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4.5,
          "max": 6,
          "conditions": "Vsupply = 5 V at 25 °C [77 °F]",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply current (Vsupply = 3 V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.5,
          "max": 5,
          "conditions": "Vsupply = 3 V at 25 °C [77 °F]",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance (SS451A)",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 233,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ss451a"
  ],
  "discovery_pitch": "SS451A (Honeywell) 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",
    "ss451a.kicad_sym",
    "ss451a.kicad_mod",
    "ss451a.glb",
    "ss451a.step",
    "ss451a.lbr",
    "docs/hero.png",
    "docs/ss451a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ss451a-hero.glb",
    "ss451a-hero.overlay.json",
    "ss451a-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}