UA7908CKCS

{
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  "type": "component",
  "slug": "ua7908ckcs",
  "title": "UA7908CKCS",
  "brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-220. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "UA7908CKCS",
    "manufacturer": "Texas Instruments",
    "package": "TO-220",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ua79",
    "parts": {
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      "lbr": "ua7908ckcs.lbr"
    },
    "distributor_links": {
      "lcsc": "C2868793",
      "digikey": "2156-UA7908CKCS-ND",
      "mouser": "595-UA7908CKCS"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T21:14:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-UA7908CKCS-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "595-UA7908CKCS",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "COMMON",
        "type": "power_in",
        "description": "Common terminal of the fixed -8 V negative regulator, used as the ground reference for input and output; the datasheet gives no separate voltage limit for this pin."
      },
      {
        "number": "2",
        "name": "INPUT",
        "type": "power_in",
        "description": "Unregulated negative input supply; the µA7908C input voltage must be between -10.5 V and -25 V, and the absolute maximum input voltage is -35 V."
      },
      {
        "number": "3",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated -8 V output that delivers up to 1.5 A of output current, with internal short-circuit current limiting and thermal overload protection."
      }
    ],
    "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: The extracted text lists the KCS (TO-220) pin names INPUT, COMMON and OUTPUT as figure labels but do; The datasheet gives no electrical limit for the COMMON pin, so the description states only its funct"
        ],
        "pages_sent": 14,
        "cost_usd": 0.1547,
        "at": "2026-10-08T21:13:35"
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      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ua79",
        "pages": 14,
        "sha256": "b9268cb2f137296a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
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        "refuses_to_fabricate": true
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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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          4.455,
          28.525
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        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "7cb065d935df5771f0ba6e48ddd180863a121af76483dad7f18e667a7b68204a",
        "checked": "2026-10-08",
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        "sha256": "305d89ff50eba8ac90b8aecaa356a22fb2735a227e884f7bdf38eb95368e6c39",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TO-220",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    }
  },
  "variants": [],
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  "discovery_pitch": "UA7908CKCS (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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