TLV431ASN1T1G

{
  "schema_version": 1,
  "type": "component",
  "slug": "tlv431asn1t1g",
  "title": "TLV431ASN1T1G",
  "brief": "onsemi Voltage Reference, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "tlv431asn1t1g"
  ],
  "component": {
    "mpn": "TLV431ASN1T1G",
    "manufacturer": "onsemi",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Reference",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/tlv431asn1t1-d.pdf",
    "parts": {
      "symbol": "tlv431asn1t1g.kicad_sym",
      "footprint": "tlv431asn1t1g.kicad_mod",
      "model_3d": "tlv431asn1t1g-etched.glb",
      "model_3d_plain": "tlv431asn1t1g.glb",
      "model_3d_step": "tlv431asn1t1g-etched.step",
      "model_3d_step_plain": "tlv431asn1t1g.step",
      "lbr": "tlv431asn1t1g.lbr"
    },
    "distributor_links": {
      "lcsc": "C127592"
    },
    "pins": [
      {
        "number": "1",
        "name": "Reference",
        "type": "input",
        "description": "Reference (R) input. High-impedance sense input to the internal 1.24 V bandgap reference amplifier (Iref typ 0.15 µA, max 0.3 µA). The device sinks cathode current when V(Reference) exceeds Vref (1.240 V typ) to regulate the KA voltage."
      },
      {
        "number": "2",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode (K). Current-sink terminal that regulates the cathode-to-anode voltage. Rated VKA up to 18 V max, cathode current -20 to +25 mA (typ operating 0.1 mA to 20 mA). Dynamic impedance |ZKA| ~0.25 Ω."
      },
      {
        "number": "3",
        "name": "Anode",
        "type": "passive",
        "description": "Anode (A). Current-return terminal, typically tied to circuit ground/common. All cathode and reference currents return through this pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/tlv431asn1t1-d.pdf",
        "pages": 20,
        "sha256": "63404349c3607665",
        "source_tier": "mfr"
      },
      "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -0.9375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23@sha256:0d88c86c1b6d8c1a",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "tlv431asn1t1g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tlv431asn1t1g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "298b90a40f2a54558fdfcc1c943803557d4560a83d87149f4cf51d56eca41045",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOT-23",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tlv431asn1t1g"
  ],
  "discovery_pitch": "TLV431ASN1T1G (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tlv431asn1t1g.kicad_sym",
    "tlv431asn1t1g.kicad_mod",
    "tlv431asn1t1g.glb",
    "tlv431asn1t1g.step",
    "tlv431asn1t1g-etched.step",
    "tlv431asn1t1g.lbr",
    "docs/hero.png",
    "docs/tlv431asn1t1g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "TLV431ASN1T1G",
      "kind": "packaging"
    },
    {
      "mpn": "TLV431ASN1T1GLP",
      "kind": "packaging"
    },
    {
      "mpn": "TLV431ASN1T1GLPRA",
      "kind": "packaging"
    },
    {
      "mpn": "TLV431ASN1T1GLPRE",
      "kind": "packaging"
    },
    {
      "mpn": "TLV431ASN1T1GLPRM",
      "kind": "packaging"
    },
    {
      "mpn": "TLV431ASN1T1GLPRP",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T10:28:05.542Z"
}