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Ray Set visibility: public 7af57ad 10d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "jsm503",
  "title": "JSM503",
  "brief": "JSMSEMI Hall Switches, TO-92S. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "magnetic sensors",
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    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "JSM503",
    "manufacturer": "JSMSEMI",
    "package": "TO-92S",
    "pin_count": 3,
    "category": "Magnetic Sensors",
    "subcategory": "Hall Switches",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588945736168194048",
    "parts": {
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      "footprint": "jsm503.kicad_mod",
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      "model_3d_step": "jsm503-etched.step",
      "model_3d_step_plain": "jsm503.step",
      "lbr": "jsm503.lbr"
    },
    "distributor_links": {
      "lcsc": "C2900616"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T19:35:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin, operating from 2.7 V to 30 V with built-in reverse-voltage protection, and an absolute maximum of 20 V for t < 1000 h."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; all voltages in the datasheet are referenced to GND."
      },
      {
        "number": "3",
        "name": "Vout",
        "type": "output",
        "description": "Open-drain output of the 3-wire device, driven low by a magnetic south pole on the branded side, with a recommended maximum of 30 V and 25 mA (absolute maximum 65 mA)."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "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 pin numbers and names come from the family pin-assignment table (page 10), which covers JSM501-J; The electrical limits in the pin descriptions come from the absolute maximum ratings (page 11) and r; Pin 3 is typed as output because the datasheet describes it as an open-drain output for 3-wire devic"
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        "cost_usd": 0.0487,
        "at": "2026-10-18T19:33:18"
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        "pages": 15,
        "sha256": "605f4b6ca0dfb404",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "seat": "body on z = 0, through-hole leads below",
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        "zmin_mm": -2.5,
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        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-18",
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        "sha256": "62ae87d91bdc8c55683586cefcf9f8d4cec94d1b56ae5c67c5aff746a2377f6b",
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  "metadata": {
    "specs": {
      "Manufacturer": "JSMSEMI",
      "Package": "TO-92S",
      "Category": "Magnetic Sensors",
      "Pins": "3"
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    "characteristics": {
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      "source": "datasheet",
      "datasheet_sha256": "605f4b6ca0dfb404c93a3ac4b1bfd5b235e7918142283ce2e26c7d3a27b0fe0a",
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          "name": "Supply voltage",
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          "conditions": "t < 5 min",
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          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
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          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "t < 5 x 400 ms; with series resistor RV > 100",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VOUT",
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          "min": -0.5,
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          "conditions": "t < 1000 h",
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        {
          "name": "Output voltage",
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        {
          "name": "Output voltage",
          "symbol": "VOUT",
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          "min": null,
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        {
          "name": "Output voltage",
          "symbol": "VOUT",
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          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "t < 5 x 400 ms; with series resistor RL > 100",
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        {
          "name": "Output current",
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          "typ": null,
          "max": 65,
          "conditions": "",
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          "name": "Reverse output current",
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          "unit": "mA",
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          "typ": null,
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        },
        {
          "name": "Ambient temperature range",
          "symbol": "TA",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 170,
          "conditions": "t < 96 h",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Maximum latch-up free current at any pin",
          "symbol": "Ilatch",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "AEC Q100-004, class 1",
          "source_page": 11,
          "source": "datasheet"
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        {
          "name": "Human body model ESD",
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          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "AEC Q100-002",
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          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 30,
          "conditions": "3-wire",
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          "source": "datasheet"
        },
        {
          "name": "Ambient temperature range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 12,
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        },
        {
          "name": "Output voltage",
          "symbol": "VOUT",
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          "unit": "V",
          "min": null,
          "typ": null,
          "max": 30,
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        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 12,
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        },
        {
          "name": "Supply current",
          "symbol": "Icc",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.5,
          "max": 3.2,
          "conditions": "3-wire",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Reverse current",
          "symbol": "IccR",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "for Vcc = -18 V",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Port low output voltage",
          "symbol": "Vol",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.13,
          "max": 0.4,
          "conditions": "IO = 20 mA",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Port low output voltage",
          "symbol": "Vol",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "IO = 25 mA",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Output fall time",
          "symbol": "tf",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Vcc = 12V; RL = 820 ; CL = 20 pF",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Output rise time",
          "symbol": "tr",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Effective noise of magnetic switching points",
          "symbol": "Bnoise",
          "kind": "electrical",
          "unit": "mT",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "For square wave signal with 1 kHz",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Output jitter",
          "symbol": "tj",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "For square wave signal with 1 kHz",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Delay time",
          "symbol": "td",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 16,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Output refresh period",
          "symbol": "tsamp",
          "kind": "timing",
          "unit": "µs",
          "min": 1.6,
          "typ": 2,
          "max": 2.66,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Enable time of output after settling of Vcc",
          "symbol": "ten",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VCC = 12V",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Operate point (on point)",
          "symbol": "BON",
          "kind": "electrical",
          "unit": "mT",
          "min": null,
          "typ": 5.5,
          "max": null,
          "conditions": "TA = -40 °C to 150 °C, VCC = 3.0 V to 30 V; typical at TA = 25 °C",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Release point (off point)",
          "symbol": "BOFF",
          "kind": "electrical",
          "unit": "mT",
          "min": null,
          "typ": 3.5,
          "max": null,
          "conditions": "TA = -40 °C to 150 °C, VCC = 3.0 V to 30 V; typical at TA = 25 °C",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis",
          "symbol": "BHYS",
          "kind": "electrical",
          "unit": "mT",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "TA = -40 °C to 150 °C, VCC = 3.0 V to 30 V; typical at TA = 25 °C",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Temp. coeff. of magnetic thresh.",
          "symbol": "TC",
          "kind": "temperature_coefficient",
          "unit": "ppm/K",
          "min": null,
          "typ": 1000,
          "max": null,
          "conditions": "TA = -40 °C to 150 °C, VCC = 3.0 V to 30 V; typical at TA = 25 °C",
          "source_page": 13,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "JSM503 (JSMSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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