ZMY20

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  "slug": "zmy20",
  "title": "ZMY20",
  "brief": "(DIOTEC) Zener Diodes, DO-213AB. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "distributor_links": {
      "lcsc": "C212820"
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        "status": "quota"
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    "pins": [
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        "name": "K",
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        "description": "Cathode of the Zener diode, marked by the white cathode mark on the plastic MELF body, connected to the positive side in reverse (Zener) operation."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode of the Zener diode (opposite MELF end terminal from the cathode mark) for the 18.8 V to 21.2 V ZMY20 at IZtest = 25 mA."
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 2,
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        "refuses_to_fabricate": true
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        "units": "mm",
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        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "(DIOTEC)",
      "Package": "DO-213AB",
      "Category": "Diodes",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "copper pads per terminal – Montage auf Leiterplatte mit 50 mm2",
        "page": 1,
        "doc": "ds.pdf",
        "material": "copper"
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      "version": 1,
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    "characteristics": {
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      "source": "datasheet",
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          "max": 21.2,
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          "typ": 25,
          "max": null,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Dynamic resistance",
          "symbol": "rzj",
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          "unit": "Ω",
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          "typ": 6,
          "max": 15,
          "conditions": "IZtest, f = 1 kHz",
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          "typ": null,
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          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Reverse voltage",
          "symbol": "VR",
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          "unit": "V",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "IR = 1 μA",
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          "source": "datasheet"
        },
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          "name": "Z-current",
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          "min": null,
          "typ": null,
          "max": 61,
          "conditions": "TA = 50°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "Ptot",
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          "unit": "W",
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          "typ": null,
          "max": 1.3,
          "conditions": "TA = 50°C, mounted on PC board with 50 mm2 copper pads per terminal",
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          "max": 40,
          "conditions": "t < 1 ms, TA = 25°C",
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          "source": "datasheet"
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        {
          "name": "Operating junction temperature",
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          "unit": "°C",
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          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Storage temperature",
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          "conditions": "",
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        },
        {
          "name": "Thermal resistance junction-ambient",
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          "kind": "thermal",
          "unit": "K/W",
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          "max": 45,
          "conditions": "Mounted on PC board with 50 mm2 copper pads per terminal",
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          "source": "datasheet"
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          "name": "Thermal resistance junction-terminal",
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          "unit": "K/W",
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        }
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  "discovery_pitch": "ZMY20 ((DIOTEC)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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