CT425-HSN820MR

{
  "schema_version": 1,
  "type": "component",
  "slug": "ct425-hsn820mr",
  "title": "CT425-HSN820MR",
  "brief": "Allegro MicroSystems, LLC Current Sensors, SOIC-8. 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": "CT425-HSN820MR",
    "manufacturer": "Allegro MicroSystems, LLC",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Magnetic Sensors",
    "subcategory": "Current Sensors",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/489c12141716a02813f7932a3301ff13.pdf",
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    "distributor_links": {
      "lcsc": "C22460714"
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    "distributor_check": {
      "checked_at": "2026-10-27T07:13:28Z",
      "source": "Component Ocean /api/assign-pns",
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        "number": "1",
        "name": "IP+",
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        "description": "Input primary conductor (positive) terminal of the integrated current carrying conductor, shorted with pin 2 (max 70 A at TA = 25°C, about 1 mΩ resistance)."
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      {
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        "name": "IP+",
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      },
      {
        "number": "3",
        "name": "IP-",
        "type": "passive",
        "description": "Primary conductor (negative) terminal of the integrated current carrying conductor, shorted with pin 4 (max 70 A at TA = 25°C, about 1 mΩ resistance)."
      },
      {
        "number": "4",
        "name": "IP-",
        "type": "passive",
        "description": "Primary conductor (negative) terminal of the integrated current carrying conductor, shorted with pin 3 (max 70 A at TA = 25°C, about 1 mΩ resistance)."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "6",
        "name": "FILTER",
        "type": "passive",
        "description": "Filter pin to improve noise performance by connecting an external capacitor to set the cut-off frequency; leave unconnected if not used."
      },
      {
        "number": "7",
        "name": "OUT",
        "type": "output",
        "description": "Analog output voltage representing the measured current, with linear range 0.50 to 4.50 V and drive capability of ±1.0 mA."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 4.75 to 5.50 V recommended (absolute maximum -0.3 to 6.0 V), decoupled with a 1.0 µF capacitor."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet terminal list calls IP- 'Output primary conductor (negative)'. I treated IP+ and IP- a; The sensitivity is 100 mV/A and the current range is ±20 A for CT425-HSN820MR. Pin function is the s"
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        "at": "2026-10-27T07:13:15"
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        "pages": 26,
        "sha256": "243dacc9791f008c",
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    "specs": {
      "Manufacturer": "Allegro MicroSystems, LLC",
      "Package": "SOIC-8",
      "Category": "Magnetic Sensors",
      "Pins": "8"
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          "name": "Sensitivity Error Including Lifetime Drift",
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          "conditions": "IP = 0 A, TA = –40°C to 125°C; printed ±25",
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