CT417-HSN850MR

{
  "schema_version": 1,
  "type": "component",
  "slug": "ct417-hsn850mr",
  "title": "CT417-HSN850MR",
  "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",
  "tags": [
    "component",
    "magnetic sensors",
    "ct417-hsn850mr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CT417-HSN850MR",
    "manufacturer": "Allegro MicroSystems, LLC",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Magnetic Sensors",
    "subcategory": "Current Sensors",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/6dbe8fadbc3f7d4b59f146cea2d8d416.pdf",
    "parts": {
      "symbol": "ct417-hsn850mr.kicad_sym",
      "footprint": "ct417-hsn850mr.kicad_mod",
      "model_3d": "ct417-hsn850mr-hero.glb",
      "model_3d_plain": "ct417-hsn850mr-etched.glb",
      "model_3d_step": "ct417-hsn850mr-etched.step",
      "model_3d_step_plain": "ct417-hsn850mr.step",
      "lbr": "ct417-hsn850mr.lbr"
    },
    "distributor_links": {
      "lcsc": "C27665012",
      "digikey": "620-CT417-HSN850MRTR-ND",
      "mouser": "462-CT417-HSN850MR"
    },
    "distributor_check": {
      "checked_at": "2026-11-12T07:14:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "620-CT417-HSN850MRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "462-CT417-HSN850MR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IP+",
        "type": "passive",
        "description": "Input primary conductor (positive) of the integrated current carrying conductor, tied internally to pin 2."
      },
      {
        "number": "2",
        "name": "IP+",
        "type": "passive",
        "description": "Input primary conductor (positive) of the integrated current carrying conductor, tied internally to pin 1."
      },
      {
        "number": "3",
        "name": "IP-",
        "type": "passive",
        "description": "Primary conductor (negative) of the integrated current carrying conductor, tied internally to pin 4."
      },
      {
        "number": "4",
        "name": "IP-",
        "type": "passive",
        "description": "Primary conductor (negative) of the integrated current carrying conductor, tied internally to pin 3."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "6",
        "name": "FLT",
        "type": "output",
        "description": "Active-low open-drain fault output signaling overcurrent detection or UVLO; if unused, a 1.0 nF capacitor must be connected from the pin to ground."
      },
      {
        "number": "7",
        "name": "OUT",
        "type": "output",
        "description": "Analog output voltage representing the measured current, with drive capability of ±1.0 mA and maximum 100 pF capacitive load."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage of 3.0 to 3.6 V (3.3 V typical), bypassed with a 1.0 µF capacitor placed close to the pin."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin names/functions are from the terminal list text only; the pinout figure was not available as tex; The ordering MPN CT417-HSN850MR is the SOIC-8 (SN8) bipolar ±50 A variant; this is the only package "
        ],
        "pages_sent": 13,
        "cost_usd": 0.0558,
        "at": "2026-11-12T07:14:39"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/6dbe8fadbc3f7d4b59f146cea2d8d416.pdf",
        "pages": 27,
        "sha256": "b2fcdb1ea5c594ce",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "checked": "2026-11-12",
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      }
    ],
    "package_dims": {
      "package_code": "SOIC-8",
      "source_page": 23,
      "D": {
        "nom_mm": 4.89,
        "range_mm": [
          4.8,
          4.98
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
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      },
      "E": {
        "nom_mm": 6,
        "range_mm": [
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      },
      "e": {
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        "range_mm": [
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          null
        ]
      },
      "A": {
        "nom_mm": 1.62,
        "range_mm": [
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          1.72
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      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ct417-hsn850mr.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
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        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Allegro MicroSystems, LLC",
      "Package": "SOIC-8",
      "Category": "Magnetic Sensors",
      "Pins": "8"
    },
    "appearance": {
      "contacts": {
        "quote": "CCC pins be connected to as much copper area as possible. It is",
        "page": 22,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "b2fcdb1ea5c594ce50ffb6b76a6e1e04c288836a07d878209def2ffc3b554d3e"
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    "characteristics": {
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          "name": "Supply Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 6,
          "max": 9,
          "conditions": "fBW = 1 MHz, no load, IP = 0 A",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "OUT Maximum Drive Capability",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "OUT covers 10% to 90% of VCC span",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "OUT Capacitive Load",
          "symbol": "CL_OUT",
          "kind": "electrical",
          "unit": "pF",
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          "conditions": "",
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        },
        {
          "name": "OUT Voltage Linear Range, Typical",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 0.65,
          "typ": null,
          "max": 2.65,
          "conditions": "VSIG_AC = ±1.00 V, VSIG_DC = +2.00 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "FLT Voltage Low",
          "symbol": "VFLT#_OL",
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          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.5,
          "conditions": "IFLT#_OUT ≤ 20 mA",
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        {
          "name": "Power-On Time",
          "symbol": "tON",
          "kind": "timing",
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          "conditions": "VCC ≥ 2.50 V",
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          "name": "Current Range",
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        {
          "name": "Voltage Output Quiescent",
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        {
          "name": "Total Output Error",
          "symbol": "ETOT",
          "kind": "electrical",
          "unit": "% FS",
          "min": -3,
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          "conditions": "IP sweep from IP(MIN) to IP(MAX)",
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        {
          "name": "Operating Ambient Temperature",
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          "unit": "°C",
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          "conditions": "Extended Industrial",
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        {
          "name": "Supply Voltage",
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        {
          "name": "Analog Input/Output Pins Maximum Voltage",
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          "conditions": "max printed as VCC + 0.3 (lower of VCC + 0.3 V or 6.0 V)",
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        {
          "name": "Current Carrying Conductor Maximum Current",
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          "name": "Dielectric Surge Strength Test Voltage",
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          "typ": null,
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          "conditions": "IEC 61000-4-5: Tested ±5 Pulses at 2/60 seconds, 1.2 µs (rise) and 50 µs (width)",
          "source_page": 3,
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        {
          "name": "Surge Strength Test Current",
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          "unit": "kA",
          "min": 3,
          "typ": null,
          "max": null,
          "conditions": "Tested ±5 Pulses at 3/60 seconds, 8.0 µs (rise) and 20 µs (width)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Human Body Model",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "HBM per JESD22-A114",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Charged Device Model",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "CDM per JESD22-C101",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 155,
          "conditions": "",
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        },
        {
          "name": "Lead Soldering Temperature",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 seconds",
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        },
        {
          "name": "Sensitivity",
          "symbol": "S",
          "kind": "electrical",
          "unit": "mV/A",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "IRANGE(MIN) < IP < IRANGE(MAX)",
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          "source": "datasheet"
        },
        {
          "name": "Bandwidth",
          "symbol": "fBW",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "Small Signal = –3 dB",
          "source_page": 16,
          "source": "datasheet"
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        {
          "name": "Noise",
          "symbol": "eN",
          "kind": "electrical",
          "unit": "mARMS",
          "min": null,
          "typ": 19,
          "max": null,
          "conditions": "TA = 25°C, fBW = 100 kHz",
          "source_page": 16,
          "source": "datasheet"
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        {
          "name": "Linearity Error",
          "symbol": "ELIN",
          "kind": "electrical",
          "unit": "% FS",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "IP = IP(MAX), TA = –40°C to 125°C",
          "source_page": 16,
          "source": "datasheet"
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        {
          "name": "Sensitivity Error",
          "symbol": "ESENS",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.2,
          "max": null,
          "conditions": "IP = IP(MAX), TA = 25°C",
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        {
          "name": "Sensitivity Error",
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          "max": null,
          "conditions": "IP = IP(MAX), TA = 125°C",
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          "source": "datasheet"
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        {
          "name": "Sensitivity Error",
          "symbol": "ESENS",
          "kind": "electrical",
          "unit": "%",
          "min": null,
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          "max": null,
          "conditions": "IP = IP(MAX), TA = -40°C",
          "source_page": 16,
          "source": "datasheet"
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        {
          "name": "Offset Voltage Error",
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          "kind": "electrical",
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          "max": null,
          "conditions": "IP = 0 A, TA = 25°C",
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          "name": "Offset Voltage Error",
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          "unit": "mV",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "IP = 0 A, TA = 125°C",
          "source_page": 16,
          "source": "datasheet"
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        {
          "name": "Offset Voltage Error",
          "symbol": "VOE",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 19,
          "max": null,
          "conditions": "IP = 0 A, TA = –40°C",
          "source_page": 16,
          "source": "datasheet"
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        {
          "name": "Total Error Including Lifetime Drift",
          "symbol": "ETOT(DRIFT)",
          "kind": "electrical",
          "unit": "% FS",
          "min": null,
          "typ": 2.6,
          "max": null,
          "conditions": "IP = IP(MAX), TA = –40°C to 125°C",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Sensitivity Error Including Lifetime Drift",
          "symbol": "ESENS(DRIFT)",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 3.7,
          "max": null,
          "conditions": "IP = IP(MAX), TA = –40°C to 125°C",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Offset Voltage Error Including Lifetime Drift",
          "symbol": "VOE(DRIFT)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 26,
          "max": null,
          "conditions": "IP = 0 A, TA = –40°C to 125°C",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "High-Impedance Output Leakage Current",
          "symbol": "ILEAK_FLT#",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "VFLT#_OH = VCC",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "OUT Resistive Load",
          "symbol": "RL_OUT",
          "kind": "electrical",
          "unit": "kΩ",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Primary Conductor Resistance",
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          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 35,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Sensitivity Power Supply Rejection Ratio",
          "symbol": "SPSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 35,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Offset Power Supply Rejection Ratio",
          "symbol": "OPSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Common Mode Field Rejection Ratio",
          "symbol": "CMFRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": -40,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "FLT Pull-Up Resistor",
          "symbol": "RPU",
          "kind": "electrical",
          "unit": "kΩ",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Rise Time",
          "symbol": "tRISE",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "IP = IRANGE(MAX), TA = 25°C, CL = 100 pF",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Response Time",
          "symbol": "tRESPONSE",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "IP = IRANGE(MAX), TA = 25°C, CL = 100 pF",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Propagation Delay",
          "symbol": "tDELAY",
          "kind": "timing",
          "unit": "ns",
          "min": null,
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