MT9223CT-20BR5

{
  "schema_version": 1,
  "type": "component",
  "slug": "mt9223ct-20br5",
  "title": "MT9223CT-20BR5",
  "brief": "Magn Tek Current Sensors, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensor",
    "mt9223ct-20br5"
  ],
  "component": {
    "mpn": "MT9223CT-20BR5",
    "manufacturer": "Magn Tek",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Sensor",
    "subcategory": "Current Sensors",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f1a3a823a3364e84e31de5697d3a88d0.pdf",
    "parts": {
      "symbol": "mt9223ct-20br5.kicad_sym",
      "footprint": "mt9223ct-20br5.kicad_mod",
      "model_3d": "mt9223ct-20br5-etched.glb",
      "model_3d_plain": "mt9223ct-20br5.glb",
      "model_3d_step": "mt9223ct-20br5-etched.step",
      "model_3d_step_plain": "mt9223ct-20br5.step",
      "lbr": "mt9223ct-20br5.lbr"
    },
    "distributor_links": {
      "lcsc": "C879634"
    },
    "pins": [
      {
        "number": "1",
        "name": "IP+",
        "type": "passive",
        "description": "Input current positive pin (primary conductor terminal 1). Tie pins 1 and 2 together externally; primary current flows in from IP+ (pins 1,2) to IP- (pins 3,4) through the internal ~1.2 mΩ conductor. Electrically isolated from the signal side (2.4 kVrms)."
      },
      {
        "number": "2",
        "name": "IP+",
        "type": "passive",
        "description": "Input current positive pin (primary conductor terminal 2). Must be shorted to pin 1 externally to carry full primary current."
      },
      {
        "number": "3",
        "name": "IP-",
        "type": "passive",
        "description": "Input current negative pin (primary conductor return terminal 1). Must be shorted to pin 4 externally."
      },
      {
        "number": "4",
        "name": "IP-",
        "type": "passive",
        "description": "Input current negative pin (primary conductor return terminal 2). Must be shorted to pin 3 externally."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground for the sensor die. Reference for VCC, VOUT, and FILTER. Isolated from the primary current path (pins 1-4)."
      },
      {
        "number": "6",
        "name": "FILTER",
        "type": "passive",
        "description": "Filter pin to set output bandwidth. Connect an external capacitor CFILTER to GND; corner frequency fc = 1/(2·π·RF·CFILTER) with internal RF ≈ 1.8 kΩ. Increasing CFILTER lowers noise but proportionally increases response time (default BW = 150 kHz)."
      },
      {
        "number": "7",
        "name": "VOUT",
        "type": "output",
        "description": "Analog output signal proportional to primary current. Ratiometric to VCC; for the -20BR5 (bidirectional) variant: VOQ = VCC×0.5 (≈2.5 V at IP = 0 A), sensitivity 100 mV/A, span 0.5-4.5 V over ±20 A. DC output impedance ~5 Ω; drives loads ≥4.7 kΩ with CL up to 10 nF."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply pin. 5 V single-supply operation (4.5-5.5 V), typical ICC = 14 mA (max 20 mA). Absolute max 6 V. Requires 0.1 µF CBYPASS from VCC to GND close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f1a3a823a3364e84e31de5697d3a88d0.pdf",
        "pages": 18,
        "sha256": "bc2ca277f92a71e6",
        "source_tier": "lcsc"
      },
      "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "mt9223ct-20br5.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mt9223ct-20br5-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "19d89730cba6f48bcc949fdb76dabada3d88c221c7401c7150a4ae3903fecbed",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Magn Tek",
      "Package": "SOP-8",
      "Category": "Sensor",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mt9223ct-20br5"
  ],
  "discovery_pitch": "MT9223CT-20BR5 (Magn Tek) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mt9223ct-20br5.kicad_sym",
    "mt9223ct-20br5.kicad_mod",
    "mt9223ct-20br5.glb",
    "mt9223ct-20br5.step",
    "mt9223ct-20br5-etched.step",
    "mt9223ct-20br5.lbr",
    "docs/hero.png",
    "docs/mt9223ct-20br5-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "MT9223CT-20BR5",
      "kind": "packaging"
    },
    {
      "mpn": "MT9223CT-20UR5",
      "kind": "unknown"
    },
    {
      "mpn": "MT9223CT-30UR5",
      "kind": "unknown"
    },
    {
      "mpn": "MT9223CT-35UR5",
      "kind": "unknown"
    },
    {
      "mpn": "MT9223CT-25BR5",
      "kind": "unknown"
    },
    {
      "mpn": "MT9223CT-30BR5",
      "kind": "unknown"
    },
    {
      "mpn": "MT9223CT-40BR5",
      "kind": "unknown"
    },
    {
      "mpn": "MT9223CT-50BR5",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-25T02:38:25.743Z"
}