TL431ACL5T

{
  "slug": "tl431acl5t",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Voltage References, SOT-23-5. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "power supply chip",
    "tl431acl5t",
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    "tl431acl5t.step",
    "tl431acl5t.lbr",
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    "docs/tl431acl5t-datasheet.pdf",
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  "component": {
    "mpn": "TL431ACL5T",
    "manufacturer": "STMicroelectronics",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Supply Chip",
    "subcategory": "Voltage References",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588927341754400768",
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    "distributor_links": {
      "lcsc": "C2157665",
      "digikey": "497-TL431ACL5TTR-ND",
      "mouser": "511-TL431ACL5T"
    },
    "distributor_check": {
      "checked_at": "2026-09-29T23:32:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-TL431ACL5TTR-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "511-TL431ACL5T",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "Anode",
        "type": "power_in",
        "description": "Anode terminal; connection to high-side supply voltage (operating voltage Vref to 36 V relative to cathode)."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; unused internal connection."
      },
      {
        "number": "3",
        "name": "Ref",
        "type": "input",
        "description": "Reference input pin for voltage divider feedback network that programs the regulated output voltage (reference input current -0.05 to +10 mA, absolute maximum per Table 1)."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; unused internal connection."
      },
      {
        "number": "5",
        "name": "Cathode",
        "type": "output",
        "description": "Cathode terminal; regulated reference output point where the device sinks current from anode with capability of 1 to 100 mA (sink current per Table 2, page 4)."
      }
    ],
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        "pages": 22,
        "sha256": "d174b1869a9d426d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
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