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Ray Set visibility: public 6643090 4h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bzm55b15-tr",
  "title": "BZM55B15-TR",
  "brief": "Vishay Intertech Zener Diodes, SOD-80. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "diodes",
    "bzm55b15-tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BZM55B15-TR",
    "manufacturer": "Vishay Intertech",
    "package": "SOD-80",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/dcdc9f2c30c19fd8bce83f5fea998e40.pdf",
    "parts": {
      "symbol": "bzm55b15-tr.kicad_sym",
      "footprint": "bzm55b15-tr.kicad_mod",
      "model_3d": "bzm55b15-tr-hero.glb",
      "model_3d_step": "bzm55b15-tr.step",
      "lbr": "bzm55b15-tr.lbr",
      "model_3d_plain": "bzm55b15-tr.glb"
    },
    "distributor_links": {
      "lcsc": "C3764871"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:19:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode of the Zener diode, marked by the cathode band on the MicroMELF glass body; the Zener (reverse breakdown) current flows into this terminal, with BZM55B15 VZ of 14.7 to 15.3 V at IZT1 = 5 mA."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode of the Zener diode at the unmarked end of the MicroMELF body; forward voltage is max 1.5 V at IF = 200 mA and power dissipation is max 500 mW."
      }
    ],
    "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: The datasheet has no pin table. A two-terminal MELF diode has a cathode band and an anode. The pin n; The part is sold as BZM55B15-TR, which is the 2500-unit reel of the BZM55 series in MicroMELF (SOD-8"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0944,
        "at": "2026-10-22T21:19:09"
      },
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        "pages": 7,
        "sha256": "2cc753251a5d3b40",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bzm55b15-tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.6,
          1.4,
          1.4
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "bab3a3356a14efb0438caca9adf53472dea34425715606e933f092f87f73f650",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Vishay Intertech",
      "Package": "SOD-80",
      "Category": "Diodes",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "2cc753251a5d3b400ffd3aae075e28d0a99f60f8c6f046c50bc38fe38ee16b38",
      "rows": [
        {
          "name": "Zener voltage",
          "symbol": "VZ",
          "kind": "electrical",
          "unit": "V",
          "min": 14.7,
          "typ": 15,
          "max": 15.3,
          "conditions": "IZT1 = 5 mA, Tamb = 25 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Test current 1",
          "symbol": "IZT1",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse leakage current at 25 °C",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VR = 11 V, Tamb = 25 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse leakage current at 125 °C",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "VR = 11 V, Tamb = 125 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dynamic resistance",
          "symbol": "ZZ",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "IZT1 = 5 mA, f = 1 kHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dynamic resistance (knee)",
          "symbol": "ZZK",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 110,
          "conditions": "IZT2 = 1 mA, f = 1 kHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of VZ",
          "symbol": "TKVZ",
          "kind": "temperature_coefficient",
          "unit": "%/K",
          "min": 0.03,
          "typ": null,
          "max": 0.11,
          "conditions": "IZT1 = 5 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "RthJA ≤ 300 K/W",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction to ambient air thermal resistance",
          "symbol": "RthJA",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Mounted on epoxy-glass hard tissue, fig. 1",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction to tie point thermal resistance",
          "symbol": "RthJL",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "35 μm copper clad, 0.9 mm2 copper area per electrode",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 175,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 175,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "IF = 200 mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Test current 2",
          "symbol": "IZT2",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
    "bzm55b15-tr"
  ],
  "discovery_pitch": "BZM55B15-TR (Vishay Intertech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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    "docs/bzm55b15-tr-datasheet.pdf",
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    "viewers/footprint.html",
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    "bzm55b15-tr-hero.overlay.json"
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  "visibility": {
    "public": true
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}