SMA2Z4.7A

{
  "schema_version": 1,
  "type": "component",
  "slug": "sma2z4-7a",
  "title": "SMA2Z4.7A",
  "brief": "XCH(旭昌辉) , SMA. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "ic",
    "sma2z4.7a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SMA2Z4.7A",
    "manufacturer": "XCH(旭昌辉)",
    "package": "SMA",
    "pin_count": 2,
    "category": "IC",
    "subcategory": "IC",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603154604452696064",
    "parts": {
      "symbol": "sma2z4-7a.kicad_sym",
      "footprint": "sma2z4-7a.kicad_mod",
      "model_3d": "sma2z4-7a-hero.glb",
      "model_3d_plain": "sma2z4-7a-etched.glb",
      "model_3d_step": "sma2z4-7a-etched.step",
      "model_3d_step_plain": "sma2z4-7a.step",
      "lbr": "sma2z4-7a.lbr"
    },
    "distributor_links": {
      "lcsc": "C5455798"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T23:24:35Z",
      "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, the end of the SMA body with the marking band; it is positive with respect to the anode in zener (reverse) operation, with VZ 4.46 V min / 4.7 V nom / 4.94 V max at IZT = 106 mA."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode, the lead at the unbanded end of the SMA body; forward voltage is 1.2 V at IF = 200 mA."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives no pin-number-to-function table. The package outline (page 3) only says '2 leads",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.0913,
        "at": "2026-10-17T23:24:22"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603154604452696064",
        "pages": 3,
        "sha256": "5e7a99dc47da812a",
        "source_tier": "lcsc"
      },
      "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": "sma2z4-7a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
          2.7,
          2.22
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1cfddd4e3b1bf22b8fc6ee3258c2aade882ed7b85b528e23b9db42437775a1db",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sma2z4-7a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
          2.7,
          2.22
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e7337a1902678d31f8b980c00d01fc664100c0bf61a483bb5fdf09c841c28c57",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "XCH(旭昌辉)",
      "Package": "SMA",
      "Category": "",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5e7a99dc47da812aef6779ce3c548ca47bf888e4cea60727bb18d169cfe7cc8e",
      "rows": [
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Tc = 75°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Forward Voltage",
          "symbol": "VF",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "IF = 200 mA",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sma2z4.7a"
  ],
  "discovery_pitch": "SMA2Z4.7A (XCH(旭昌辉)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sma2z4-7a.kicad_sym",
    "sma2z4-7a.kicad_mod",
    "sma2z4-7a.glb",
    "sma2z4-7a.step",
    "sma2z4-7a.lbr",
    "docs/hero.png",
    "docs/sma2z4-7a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sma2z4-7a-hero.glb",
    "sma2z4-7a-hero.overlay.json",
    "sma2z4-7a-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}