main
Ray Set visibility: public 096736b 10d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "mmbz5227bs-7-f",
  "title": "MMBZ5227BS-7-F",
  "brief": "Diodes Incorporated Zener Diodes, SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "MMBZ5227BS-7-F",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-363",
    "pin_count": 6,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8560097767428149248",
    "parts": {
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      "lbr": "mmbz5227bs-7-f.lbr"
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    "distributor_links": {
      "lcsc": "C5249050"
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    "distributor_check": {
      "checked_at": "2026-10-17T18:07:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "quota"
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      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "A1",
        "type": "passive",
        "description": "Anode of Zener diode 1, isolated from diode 2 in the dual-Zener package."
      },
      {
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      {
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        "name": "C2",
        "type": "passive",
        "description": "Cathode of Zener diode 2, isolated from diode 1 (3.6V nominal Zener, 3.42 to 3.78V at IZT = 20mA for the MMBZ5227BS)."
      },
      {
        "number": "4",
        "name": "A2",
        "type": "passive",
        "description": "Anode of Zener diode 2, isolated from diode 1 in the dual-Zener package."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "6",
        "name": "C1",
        "type": "passive",
        "description": "Cathode of Zener diode 1 (3.6V nominal Zener, 3.42 to 3.78V at IZT = 20mA for the MMBZ5227BS)."
      }
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin layout on page 1 is garbled in text extraction ('C1 / A1 C2 / NC A2 / NC'). I reconstructed ; The datasheet does not state per-pin limits or functions beyond the device-level ratings (200 mW pow"
        ],
        "pages_sent": 4,
        "cost_usd": 0.091,
        "at": "2026-10-17T18:05:50"
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        "pages": 4,
        "sha256": "b594a591fc6c585d",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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    "viewers": {
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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2,
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "045cc95e18ee7a13d1623c3ce6604fc833049bdb4f952f68c26e3c5767d122e4",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "d84c62f98efaed3a0c3a6d084c1a4048559eb7cff52568dcd144d08c9bd9ab26",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-363",
      "Category": "Diodes",
      "Pins": "6"
    },
    "appearance": {
      "contacts": {
        "quote": "• Terminals: Solderable per MIL-STD-202, Method 208 • Lead Free Plating (Matte Tin Finish annealed over Alloy 42",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "b594a591fc6c585dc31fcc5b9e1fba8ed6da34d2e47dfef06e28ff2466948424"
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    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b594a591fc6c585dc31fcc5b9e1fba8ed6da34d2e47dfef06e28ff2466948424",
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          "unit": "V",
          "min": 3.42,
          "typ": 3.6,
          "max": 3.78,
          "conditions": "@ IZT = 20 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Zener impedance",
          "symbol": "ZZT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 24,
          "conditions": "@ IZT = 20 mA; f = 1 kHz (Note 6)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Zener impedance",
          "symbol": "ZZK",
          "kind": "electrical",
          "unit": "Ω",
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          "typ": null,
          "max": 1700,
          "conditions": "@ IZK = 0.25 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum reverse leakage current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "@ VR = 1.0 V (Note 5)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
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          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.9,
          "conditions": "@ IF = 10 mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Mounted on FR4 PC board with recommended pad layout (Note 1)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating and storage temperature range",
          "symbol": "TJ, TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient air",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 625,
          "max": null,
          "conditions": "Mounted on FR4 PC board with recommended pad layout (Note 1)",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "MMBZ5227BS-7-F (Diodes Incorporated) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}