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Ray Set visibility: public 3a95d1f 7h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "sma3z19a",
  "title": "SMA3Z19A",
  "brief": "ZHIDE Zener Diodes, SMA. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "package": "SMA",
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    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603118192886112256",
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      "footprint": "sma3z19a.kicad_mod",
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      "model_3d_plain": "sma3z19a-etched.glb",
      "model_3d_step": "sma3z19a-etched.step",
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      "lbr": "sma3z19a.lbr"
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    "distributor_links": {
      "lcsc": "C5161117"
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    "distributor_check": {
      "checked_at": "2026-10-15T14:35:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "no match"
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      "mouser": {
        "pn": null,
        "status": "no match"
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    "pins": [
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        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode."
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    ],
    "provenance": {
      "extractor": "extract_pins",
      "factory_chain": {
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        "extractor": "extract_pins",
        "primary_model": "cathode-band convention",
        "primary_mode": "convention",
        "consensus_model": null,
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.0013,
        "at": "2026-10-15T14:34:53"
      },
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        "pages": 3,
        "sha256": "59b9f967a08f245f",
        "source_tier": "lcsc"
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      "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"
    },
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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1cfddd4e3b1bf22b8fc6ee3258c2aade882ed7b85b528e23b9db42437775a1db",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sma3z19a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "470ca7b50dd211d11c9bb5ebbfcef7d1f23e571a98e84bcc147a8049a3a20353",
        "checked": "2026-10-15",
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      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "ZHIDE",
      "Package": "SMA",
      "Category": "Diodes",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "59b9f967a08f245f2684a287e9626861b108e14c13355398ba847ccc63b46ec5",
      "rows": [
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          "name": "Zener voltage (nominal, average)",
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          "kind": "electrical",
          "unit": "V",
          "min": 18.05,
          "typ": 19,
          "max": 19.95,
          "conditions": "IZT = 7.0 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Zener impedance",
          "symbol": "ZZT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "@IZT = 7.0 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Zener knee impedance",
          "symbol": "ZZK",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 750,
          "conditions": "@IZK = 0.25 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum reverse leakage current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "@VR = 14.4 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum DC Zener current",
          "symbol": "IZM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 142,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "IF = 200 mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "TL = 75 °C (note 1)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature range",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
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          "source": "datasheet"
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    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
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  ],
  "discovery_triggers": [
    "sma3z19a"
  ],
  "discovery_pitch": "SMA3Z19A (ZHIDE) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "viewers/symbol.html",
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    "sma3z19a-etched.glb"
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  "visibility": {
    "public": true
  }
}