KTH1721TH-ST3

{
  "slug": "kth1721th-st3",
  "version": "0.1.0",
  "type": "component",
  "description": "CONNTEK Hall Switches, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "magnetic sensors",
    "kth1721th-st3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "kth1721th-st3.kicad_sym",
    "kth1721th-st3.kicad_mod",
    "kth1721th-st3.glb",
    "kth1721th-st3.step",
    "kth1721th-st3.lbr",
    "docs/hero.png",
    "docs/kth1721th-st3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "kth1721th-st3-hero.glb",
    "kth1721th-st3-hero.overlay.json"
  ],
  "component": {
    "mpn": "KTH1721TH-ST3",
    "manufacturer": "CONNTEK",
    "package": "SOT-23-3L",
    "pin_count": 3,
    "category": "Magnetic Sensors",
    "subcategory": "Hall Switches",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8758160837855064064",
    "parts": {
      "symbol": "kth1721th-st3.kicad_sym",
      "footprint": "kth1721th-st3.kicad_mod",
      "model_3d": "kth1721th-st3-hero.glb",
      "model_3d_plain": "kth1721th-st3.glb",
      "model_3d_step": "kth1721th-st3-etched.step",
      "model_3d_step_plain": "kth1721th-st3.step",
      "lbr": "kth1721th-st3.lbr"
    },
    "distributor_links": {
      "lcsc": "C19631608"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T17:26:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input, operating range 1.8 V to 5.5 V; the absolute maximum supply voltage is 6 V, and a 1 µF capacitor should be connected between VDD and GND, placed as close to the VDD pin as possible, to filter supply noise."
      },
      {
        "number": "2",
        "name": "OUTPUT",
        "type": "output",
        "description": "CMOS push-pull output that goes low when the N-pole field exceeds BOP and returns high when it falls below BRP; VOL is 0.05 V typical (0.15 V max) and VOH is VDD-0.15 V min at IOUT = 1 mA, with a maximum output drive current of 5 mA."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the supply and the output; the 1 µF VDD decoupling capacitor is connected between this pin and VDD."
      }
    ],
    "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 is in Chinese. The SOT-23-3L pin table (page 2) gives pin names and numbers only (VDD=; Pin descriptions for VDD, OUTPUT and GND combine the pin table function text with limits stated else"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0306,
        "at": "2026-10-09T17:23:51"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8758160837855064064",
        "pages": 11,
        "sha256": "f5b8e2504d167edf",
        "source_tier": "lcsc"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "kth1721th-st3.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": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "kth1721th-st3-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": "c99d24492ee5b425ac7e3edb21467d3bb3a4a80ff1cb15c8b45fdb66eb449801",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}