main
Ray Set visibility: public 8acf6cb 18h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ah1889-z-7",
  "title": "AH1889-Z-7",
  "brief": "Diodes Incorporated Magnetic Sensors, SOT-553-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.1",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "sensors",
    "ah1889-z-7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AH1889-Z-7",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-553-5",
    "pin_count": 5,
    "category": "Sensors",
    "subcategory": "Magnetic Sensors",
    "datasheet": "https://www.diodes.com/assets/Datasheets/AH1889-Z-7.pdf",
    "parts": {
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      "footprint": "ah1889-z-7.kicad_mod",
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      "lbr": "ah1889-z-7.lbr"
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      "lcsc": "C842254",
      "digikey": "AH1889-Z-7DITR-ND",
      "mouser": "621-AH1889-Z-7"
    },
    "distributor_check": {
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "found"
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    "pins": [
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        "number": "1",
        "name": "OUTPUT2",
        "type": "output",
        "description": "North pole detecting output pin (active low), which is pulled low when a North pole of sufficient strength turns it on."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; not connected internally, and may be left open or tied to ground."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply voltage pin, operating from 1.65 V to 3.6 V."
      },
      {
        "number": "5",
        "name": "OUTPUT1",
        "type": "output",
        "description": "South pole detecting output pin (active low), which is pulled low when a South pole of sufficient strength turns it on."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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: The datasheet does not state the output stage type (open-drain or push-pull); it only says the outpu; The datasheet pin function text for OUTPUT2 contains the typo 'Setecting'; the description above use"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0356,
        "at": "2026-11-11T02:14:20"
      },
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/AH1889-Z-7.pdf",
        "pages": 7,
        "sha256": "49640912f7301999",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
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        "file": "ah1889-z-7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.6,
          0.63
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2219d28dc74f980a4614180a52f390c2a095740e92ee987e4ac96f80edf01c52",
        "checked": "2026-11-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ah1889-z-7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "footprint_binding": "identity",
        "sha256": "6576427f7e088fda3f56e3a6947896f75b692fcd3365b5c3cc83d62e919d86f6",
        "checked": "2026-11-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "Z (SOT553)",
      "source_page": 6,
      "D": {
        "nom_mm": 1.6,
        "range_mm": [
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          1.7
        ]
      },
      "E1": {
        "nom_mm": 1.2,
        "range_mm": [
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          1.25
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      "E": {
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        "range_mm": [
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      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
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          null
        ]
      },
      "A": {
        "nom_mm": 0.6,
        "range_mm": [
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          0.62
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ah1889-z-7.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-553-5",
      "Category": "Sensors",
      "Pins": "5"
    },
    "appearance": {
      "housing": {
        "quote": "ESD Human Body Model ESD capability 4 kV Notes: 6. Stresses greater than the 'Absolute Maximum Ratings' specified above may cause permanent damage to the device. These are stress ratings only;",
        "page": 2,
        "doc": "ds.pdf",
        "material": "Abs"
      },
      "version": 1,
      "datasheet_sha256": "49640912f73019998f67567886d8a9dda77c8ba0df8fb93eebe99d6ee1c780f3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "49640912f73019998f67567886d8a9dda77c8ba0df8fb93eebe99d6ee1c780f3",
      "rows": [
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          "name": "OUTPUT1 and OUTPUT2 Low Voltage (on)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.1,
          "max": 0.2,
          "conditions": "IOUT = 0.5mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operation Point (South pole to part marking side), OUTPUT1",
          "symbol": "Bops",
          "kind": "electrical",
          "unit": "Gauss",
          "min": null,
          "typ": 35,
          "max": 50,
          "conditions": "South pole to part marking side",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Release point (South pole to part marking side), OUTPUT1",
          "symbol": "Brps",
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          "unit": "Gauss",
          "min": 6,
          "typ": 20,
          "max": null,
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          "source": "datasheet"
        },
        {
          "name": "Operation Point (North pole to part marking side), OUTPUT2",
          "symbol": "Bopn",
          "kind": "electrical",
          "unit": "Gauss",
          "min": -50,
          "typ": -35,
          "max": null,
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          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Release point (North pole to part marking side), OUTPUT2",
          "symbol": "Brpn",
          "kind": "electrical",
          "unit": "Gauss",
          "min": null,
          "typ": -20,
          "max": -6,
          "conditions": "North pole to part marking side",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Operating",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.65,
          "typ": null,
          "max": 3.6,
          "conditions": "Operating",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "Note 7: 6V absolute maximum is a transient stress rating only",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Supply Voltage",
          "symbol": "VDD_REV",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output current (source and sink)",
          "symbol": "IOUTPUT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "source and sink",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Package Power Dissipation SOT553",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 230,
          "conditions": "SOT553",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Ts",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Human Body Model ESD capability",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "Human Body Model",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply Current, outputs off",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.1,
          "max": null,
          "conditions": "VDD = 1.8V Outputs Off",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current, outputs off",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "VDD = 3.6V Outputs Off",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis (|Bopx|-|Brpx|)",
          "symbol": "Bhy",
          "kind": "electrical",
          "unit": "Gauss",
          "min": null,
          "typ": 8,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "AH1889-Z-7 (Diodes Incorporated) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
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