TC74A5-3.3VCTTR

{
  "slug": "tc74a5-3-3vcttr",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Temperature Sensors, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "sensors",
    "tc74a5-3.3vcttr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tc74a5-3-3vcttr.kicad_sym",
    "tc74a5-3-3vcttr.kicad_mod",
    "tc74a5-3-3vcttr.glb",
    "tc74a5-3-3vcttr.step",
    "tc74a5-3-3vcttr.lbr",
    "docs/hero.png",
    "docs/tc74a5-3-3vcttr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tc74a5-3-3vcttr-hero.glb",
    "tc74a5-3-3vcttr-hero.overlay.json",
    "tc74a5-3-3vcttr-etched.glb"
  ],
  "component": {
    "mpn": "TC74A5-3.3VCTTR",
    "manufacturer": "Microchip Tech",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Sensors",
    "subcategory": "Temperature Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588939936229150720",
    "parts": {
      "symbol": "tc74a5-3-3vcttr.kicad_sym",
      "footprint": "tc74a5-3-3vcttr.kicad_mod",
      "model_3d": "tc74a5-3-3vcttr-hero.glb",
      "model_3d_plain": "tc74a5-3-3vcttr-etched.glb",
      "model_3d_step": "tc74a5-3-3vcttr-etched.step",
      "model_3d_step_plain": "tc74a5-3-3vcttr.step",
      "lbr": "tc74a5-3-3vcttr.lbr"
    },
    "distributor_links": {
      "lcsc": "C626608",
      "digikey": "TC74A5-3.3VCTTR-ND",
      "mouser": "579-TC74A5-3.3VCTTR"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T17:15:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "TC74A5-3.3VCTTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "579-TC74A5-3.3VCTTR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; the pin has no internal connection per the pin function table."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "System ground and ground return for all TC74 functions."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input, specified from 2.7V to 5.5V (VDD = 3.3V for the TC74AX-3.3VXX part types)."
      },
      {
        "number": "4",
        "name": "SCLK",
        "type": "input",
        "description": "SMBus/I2C serial clock input that clocks data into and out of the TC74; SDA and SCLK must be connected to VDD or GND when the serial port is inactive."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Bidirectional SMBus/I2C serial data pin, with output low limited to 0.4V at IOL = 3 mA and 0.6V at IOL = 6 mA."
      }
    ],
    "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 datasheet's pin table lists two pin numbers per pin: the 5-pin SOT-23 column and the 5-pin TO-22; The MPN suffix CTTR is listed in the product identification system as SOT-23-5 (tape and reel only),; The SCLK and SDA descriptions combine statements from sections 2.3, 2.4, and the electrical table (n"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0643,
        "at": "2026-10-20T17:13:00"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588939936229150720",
        "pages": 17,
        "sha256": "acd41026fb425cdb",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tc74a5-3-3vcttr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3fc23e0a795491b6f4e21a9301193362fcd2e11b745dd1f7077500fd8497acda",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}