main
Ray Set visibility: public e661202 6h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "fs432m",
  "title": "FS432M",
  "brief": "FOSAN Voltage Reference, SOT-23. 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",
    "power management (pmic)",
    "fs432m",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "FS432M",
    "manufacturer": "FOSAN",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757315884539232256",
    "parts": {
      "symbol": "fs432m.kicad_sym",
      "footprint": "fs432m.kicad_mod",
      "model_3d": "fs432m-hero.glb",
      "model_3d_plain": "fs432m-etched.glb",
      "model_3d_step": "fs432m-etched.step",
      "model_3d_step_plain": "fs432m.step",
      "lbr": "fs432m.lbr"
    },
    "distributor_links": {
      "lcsc": "C2926146"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T12:58:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "REF",
        "type": "input",
        "description": "Reference input pin (R) that sets the output voltage via the R1/R2 divider, with VREF of 1.240 V typ and absolute max reference input current of 3 mA."
      },
      {
        "number": "2",
        "name": "CATHODE",
        "type": "passive",
        "description": "Cathode (K) of the shunt regulator, rated for up to 20 V cathode-to-anode voltage and 100 mA cathode current."
      },
      {
        "number": "3",
        "name": "ANODE",
        "type": "power_in",
        "description": "Anode (A) of the shunt regulator, normally connected to ground as the lowest-potential reference."
      }
    ],
    "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: Pin assignment (1=Reference, 2=Cathode, 3=Anode) is read from the SOT-23 pin list on page 1. The dat",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.1572,
        "at": "2026-10-18T12:54:55"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757315884539232256",
        "pages": 3,
        "sha256": "b15dc1ebb377ef62",
        "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": "fs432m.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "fs432m-etched.step",
        "role": "eda",
        "up": "Z",
        "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": "322db8a8f9dc893463d9a14e6d31e3cbed3b3b228de1546ad30e4c8f57d8d4b8",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "FOSAN",
      "Package": "SOT-23",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b15dc1ebb377ef62b469e9627b83c9fd894ed479781aabfcccb2d200674a6978",
      "rows": [
        {
          "name": "Cathode to Anode Voltage",
          "symbol": "VKA",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Cathode Current Range",
          "symbol": "IK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Reference Input Current Range",
          "symbol": "IREF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-Ambient",
          "symbol": "RΘJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 625,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Solder Temperature/time",
          "symbol": "Td",
          "kind": "absolute_maximum",
          "unit": "℃/S",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 s",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "Top",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction and Storage Temperature",
          "symbol": "TJ,Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Reference Input Voltage (0.5% grade)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.234,
          "typ": 1.24,
          "max": 1.247,
          "conditions": "VKA=VREF IKA=10mA Ta=25℃; 0.5% grade",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reference Input Voltage (1% grade)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.228,
          "typ": 1.24,
          "max": 1.252,
          "conditions": "VKA=VREF IKA=10mA Ta=25℃; 1% grade",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Deviation of reference Input Voltage Over temperature",
          "symbol": "ΔVREF/ΔT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 25,
          "conditions": "VKA=VREF IKA=10mA 0 ~ 70℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ratio of Change in Reference Input Voltage to Change in Cathode Voltage",
          "symbol": "ΔVREF/ΔVKA",
          "kind": "electrical",
          "unit": "mV/V",
          "min": null,
          "typ": -1,
          "max": -2.7,
          "conditions": "IKA=10mA ΔVKA=18V~VREF",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reference Input Current",
          "symbol": "IREF",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.25,
          "max": 0.5,
          "conditions": "IKA=10mA R1=10kΩ,R2=∞",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Deviation of Reference Input Current Over Full Temperature Range",
          "symbol": "ΔIREF/ΔT",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.05,
          "max": 0.3,
          "conditions": "IKA=10mA R1=10kΩ,R2=∞ TA=0~70℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum Cathode Current for Regulation",
          "symbol": "IKA(MIN)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 60,
          "max": 80,
          "conditions": "VKA=VREF",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Off-state Cathode Current",
          "symbol": "IKA(OFF)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.04,
          "max": 0.5,
          "conditions": "VKA=18V VREF=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Dynamic Impedance",
          "symbol": "ZKA",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.2,
          "max": 0.4,
          "conditions": "VKA=VREF IKA=1 ~ 100mA f≤1kHz",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "fs432m"
  ],
  "discovery_pitch": "FS432M (FOSAN) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "fs432m.kicad_sym",
    "fs432m.kicad_mod",
    "fs432m.glb",
    "fs432m.step",
    "fs432m.lbr",
    "docs/hero.png",
    "docs/fs432m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "fs432m-hero.glb",
    "fs432m-hero.overlay.json",
    "fs432m-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}