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Ray Set visibility: public 9a21e59 3h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "me431atbg",
  "title": "ME431ATBG",
  "brief": "MICRONE Voltage Reference, TO-92-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management (pmic)",
    "me431atbg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ME431ATBG",
    "manufacturer": "MICRONE",
    "package": "TO-92-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
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    "parts": {
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      "footprint": "me431atbg.kicad_mod",
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      "model_3d_step": "me431atbg-etched.step",
      "model_3d_step_plain": "me431atbg.step",
      "lbr": "me431atbg.lbr"
    },
    "distributor_links": {
      "lcsc": "C427584"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T14:23:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
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        "number": "1",
        "name": "REF",
        "type": "input",
        "description": "Reference input that sets the output voltage via an external divider, with VREF of 2.5V typical and a maximum reference input current of 10 mA."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "power_in",
        "description": "Anode terminal, connected to ground in typical shunt regulator circuits."
      },
      {
        "number": "3",
        "name": "CATHODE",
        "type": "passive",
        "description": "Cathode terminal that sinks 1 mA to 100 mA recommended (-100 to +130 mA absolute maximum) with a maximum cathode voltage of 36V recommended (40V absolute maximum)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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: The MPN suffix 'TBG' is not decoded in the datasheet text. The TO-92-3 package was taken from the hi",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 12,
        "cost_usd": 0.1201,
        "at": "2026-10-18T14:20:43"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588948881598263296",
        "pages": 12,
        "sha256": "020ce3e69e49e7b7",
        "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": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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          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": "me431atbg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
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        "sha256": "7fde23eb343b736827ce14c56be4cfaa8905f24d65c61265c5040e58b80655b7",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "MICRONE",
      "Package": "TO-92-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "appearance": {
      "housing": {
        "quote": "body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of Nanjing Micro",
        "page": 12,
        "doc": "ds.pdf",
        "material": "ppa"
      },
      "version": 1,
      "datasheet_sha256": "020ce3e69e49e7b76895f045cef8ceca8624b093b5e745bd705e5890604a3ec0"
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    "characteristics": {
      "version": 1,
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      "rows": [
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          "name": "Reference voltage (0.4% grade)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 2.49,
          "typ": 2.5,
          "max": 2.51,
          "conditions": "VKA=VREF, IKA=10mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage (1.0% grade)",
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          "kind": "electrical",
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          "typ": 2.5,
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          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Cathode Current",
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          "min": 1,
          "typ": null,
          "max": 100,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
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        },
        {
          "name": "Cathode Voltage",
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          "min": null,
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          "max": 36,
          "conditions": "",
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          "name": "Cathode voltage",
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          "kind": "absolute_maximum",
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          "min": null,
          "typ": null,
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          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Cathode current range (continuous)",
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          "typ": null,
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        },
        {
          "name": "Reference input current range",
          "symbol": "IREF",
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          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Power Dissipation (TO-92 Package)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 770,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 160,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Deviation of reference voltage over-temperature (0 to 70℃)",
          "symbol": "ΔVREF",
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          "unit": "mV",
          "min": null,
          "typ": 3,
          "max": 10,
          "conditions": "VKA=VREF, IKA=10mA, 0 to 70℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Deviation of reference voltage over-temperature (-40 to 150℃)",
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          "kind": "electrical",
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          "min": null,
          "typ": 3,
          "max": 15,
          "conditions": "VKA=VREF, IKA=10mA, -40 to 150℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dynamic impedance",
          "symbol": "KA |Z|",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.15,
          "max": 0.5,
          "conditions": "VKA=VREF, IKA=1 to 100mA, f≤1.0KHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum cathode current for regulation",
          "symbol": "IKA (MIN)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.4,
          "max": 1,
          "conditions": "VKA=VREF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ratio of change in reference voltage to change in cathode voltage (ΔVKA = 10V to VREF)",
          "symbol": "ΔVREF/ΔVKA",
          "kind": "electrical",
          "unit": "mV/V",
          "min": null,
          "typ": -0.8,
          "max": -2.5,
          "conditions": "IKA=10mA, ΔVKA=10V to VREF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ratio of change in reference voltage to change in cathode voltage (ΔVKA = 36V to 10V)",
          "symbol": "ΔVREF/ΔVKA",
          "kind": "electrical",
          "unit": "mV/V",
          "min": null,
          "typ": -0.6,
          "max": -1.5,
          "conditions": "IKA=10mA, ΔVKA=36V to 10V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reference current",
          "symbol": "IREF",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.7,
          "max": 3,
          "conditions": "IKA=10mA, R1=10KΩ, R2=∝",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Deviation of reference over full temperature range",
          "symbol": "ΔIREF",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": 1.2,
          "conditions": "IKA=10mA, R1=10KΩ, R2=∝, TA=40 to 150℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Off-state cathode current",
          "symbol": "IKA (OFF)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.03,
          "max": 0.3,
          "conditions": "VKA=36V, VREF=0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Package thermal impedance (TO-92)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "sections": [
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    "viewers",
    "readme",
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    "info"
  ],
  "discovery_triggers": [
    "me431atbg"
  ],
  "discovery_pitch": "ME431ATBG (MICRONE) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  "visibility": {
    "public": true
  }
}