main
Ray Set visibility: public d784522 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "kth2502qb-st3",
  "title": "KTH2502QB-ST3",
  "brief": "CONNTEK Hall Switches, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "magnetic sensors",
    "kth2502qb-st3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "KTH2502QB-ST3",
    "manufacturer": "CONNTEK",
    "package": "SOT-23-3L",
    "pin_count": 3,
    "category": "Magnetic Sensors",
    "subcategory": "Hall Switches",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8758161796836265984",
    "parts": {
      "symbol": "kth2502qb-st3.kicad_sym",
      "footprint": "kth2502qb-st3.kicad_mod",
      "model_3d": "kth2502qb-st3-hero.glb",
      "model_3d_plain": "kth2502qb-st3-etched.glb",
      "model_3d_step": "kth2502qb-st3-etched.step",
      "model_3d_step_plain": "kth2502qb-st3.step",
      "lbr": "kth2502qb-st3.lbr"
    },
    "distributor_links": {
      "lcsc": "C19631611"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T00:22:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply input; the device operates from 2.7 V to 32 V with no external regulator and withstands reverse supply voltage down to -22 V."
      },
      {
        "number": "2",
        "name": "OUTPUT",
        "type": "output",
        "description": "Open-drain NMOS output rated for a sink current of up to 30 mA, with output pin voltage limited to 0 V to 32 V and requiring an external pull-up resistor."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the device."
      }
    ],
    "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: KTH2502QB-ST3 is listed in the ordering table (page 5) as SOT-23-3L, so the SOT-23-3L pin table (Tab; The pin descriptions combine the one-line Table 3 descriptions (Power supply input / Output / Ground; The output pin type is 'output' because the datasheet describes an open-drain NMOS stage; KiCad's op"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0382,
        "at": "2026-10-19T00:22:38"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8758161796836265984",
        "pages": 17,
        "sha256": "3804e0b97e6f27fe",
        "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": "kth2502qb-st3.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "kth2502qb-st3-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1b50ac071763471593160bb8f9008c6bea21a2205dc11e4346dcaf290ea4e6eb",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "CONNTEK",
      "Package": "SOT-23-3L",
      "Category": "Magnetic Sensors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "3804e0b97e6f27fe8c01ce9e7483218b60e290729758f8e1e4663fe5c64cfdd4",
      "rows": [
        {
          "name": "Supply Voltage, VCC (absolute maximum)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -22,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Voltage Ramp Rate (VCC), VCC > 5 V",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V/µs",
          "min": 0,
          "typ": null,
          "max": 2,
          "conditions": "VCC > 5 V",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Output Pin Voltage (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Reverse Output Pin Current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": 0,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature, TJ (Grade Q)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "Grade Q",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage, VCC (recommended)",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 32,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Output Pin Voltage, VO (recommended)",
          "symbol": "VO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 32,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Output Pin Sink Current",
          "symbol": "ISINK",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 0,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range (Grade Q)",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "Grade Q",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage, VCC",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 32,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Operating Current, ICC",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 2.7,
          "conditions": "VCC = 2.7 to 32 V, TA = 25°C",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Operating Current, ICC",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.7,
          "max": 4.5,
          "conditions": "VCC = 2.7 to 32 V, TA = 150°C",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Power-on Time",
          "symbol": "tON",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 35,
          "max": 50,
          "conditions": "Versions A, B, C",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "FET On Resistance, rDS(on)",
          "symbol": "rDS(on)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 15,
          "max": 20,
          "conditions": "VCC = 3.3 V, IO = 10 mA, TA = 150°C",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Off-state Leakage Current, Ilkg(off)",
          "symbol": "Ilkg(off)",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Output Hi-Z",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Output Delay Time, td",
          "symbol": "td",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 10,
          "max": 25,
          "conditions": "B = BRP + 10 mT to BOP - 10 mT in 1 μs (@SOT-23-3L)",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Output Rise Time, tr (10% to 90%)",
          "symbol": "tr",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 160,
          "conditions": "R1 = 1 kΩ, CO = 50 pF, VCC = 3.3 V",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Output Fall Time, tf (90% to 10%)",
          "symbol": "tf",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "R1 = 1 kΩ, CO = 50 pF, VCC = 3.3 V",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Reverse Supply Voltage, VCCR",
          "symbol": "VCCR",
          "kind": "electrical",
          "unit": "V",
          "min": -22,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Over-current Protection Level, IOCP",
          "symbol": "IOCP",
          "kind": "electrical",
          "unit": "mA",
          "min": 20,
          "typ": 30,
          "max": 40,
          "conditions": "OUT shorted to VCC",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Bandwidth, fBW",
          "symbol": "fBW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 1,
          "typ": 20,
          "max": 30,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Operating Point, BOP (KTH2502QB)",
          "symbol": "BOP",
          "kind": "electrical",
          "unit": "GS",
          "min": -45,
          "typ": -30,
          "max": -15,
          "conditions": "KTH2502QB: 30 / -30 GS",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Release Point, BRP (KTH2502QB)",
          "symbol": "BRP",
          "kind": "electrical",
          "unit": "GS",
          "min": 15,
          "typ": 30,
          "max": 45,
          "conditions": "KTH2502QB: 30 / -30 GS",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Magnetic Offset, BO (KTH2502QB)",
          "symbol": "BO",
          "kind": "electrical",
          "unit": "GS",
          "min": -15,
          "typ": 0,
          "max": 15,
          "conditions": "KTH2502QB: BO = (BOP+BRP)/2",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "FET On Resistance, rDS(on)",
          "symbol": "rDS(on)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 11,
          "max": null,
          "conditions": "VCC = 3.3 V, IO = 10 mA, TA = 25°C",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis, Bhys = |BOP − BRP| (KTH2502QB)",
          "symbol": "Bhys",
          "kind": "electrical",
          "unit": "GS",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "KTH2502QB",
          "source_page": 13,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "KTH2502QB-ST3 (CONNTEK) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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