TL431NSG-AE2-R

{
  "slug": "tl431nsg-ae2-r",
  "version": "0.1.0",
  "type": "component",
  "description": "UTC(Unisonic Tech) Voltage Reference, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tl431nsg-ae2-r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tl431nsg-ae2-r.kicad_sym",
    "tl431nsg-ae2-r.kicad_mod",
    "tl431nsg-ae2-r.glb",
    "tl431nsg-ae2-r.step",
    "tl431nsg-ae2-r.lbr",
    "docs/hero.png",
    "docs/tl431nsg-ae2-r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tl431nsg-ae2-r-hero.glb",
    "tl431nsg-ae2-r-hero.overlay.json",
    "tl431nsg-ae2-r-etched.glb"
  ],
  "component": {
    "mpn": "TL431NSG-AE2-R",
    "manufacturer": "UTC(Unisonic Tech)",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/5040485b47e7c351b4a300492b2d0f88.pdf",
    "parts": {
      "symbol": "tl431nsg-ae2-r.kicad_sym",
      "footprint": "tl431nsg-ae2-r.kicad_mod",
      "model_3d": "tl431nsg-ae2-r-hero.glb",
      "model_3d_plain": "tl431nsg-ae2-r-etched.glb",
      "model_3d_step": "tl431nsg-ae2-r-etched.step",
      "model_3d_step_plain": "tl431nsg-ae2-r.step",
      "lbr": "tl431nsg-ae2-r.lbr"
    },
    "distributor_links": {
      "lcsc": "C7464727"
    },
    "distributor_check": {
      "checked_at": "2026-11-04T21:37:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "output",
        "description": "Cathode is the shunt regulator output; the datasheet gives a recommended cathode voltage of VREF to 36 V (37 V absolute maximum) and a recommended cathode current of 1 to 100 mA."
      },
      {
        "number": "2",
        "name": "R",
        "type": "input",
        "description": "Reference input sets the output voltage through the external divider, with VREF approximately 2.5 V, and the reference input current is limited to -0.05 to +10 mA absolute maximum."
      },
      {
        "number": "3",
        "name": "A",
        "type": "passive",
        "description": "Anode is the common terminal of the device, identified only by the pin code A in the ordering table, and the datasheet gives no separate voltage or current limit for this pin."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pinout taken from the ordering table row for TL431NSG-AE2-R (SOT-23-3): pin 1 = K, pin 2 = R, pin 3 ; The datasheet does not describe the anode's electrical function or limits in the text provided; its ; The datasheet text has no SOT-23-3 pin diagram or package outline; only the SOP-8 pin configuration "
        ],
        "pages_sent": 6,
        "cost_usd": 0.0249,
        "at": "2026-11-04T21:37:02"
      },
      "datasheet": {
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        "pages": 6,
        "sha256": "d50d965719771e68",
        "source_tier": "mfr"
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      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-11-04",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tl431nsg-ae2-r-etched.step",
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}