1SMA5929BT3G

{
  "slug": "1sma5929bt3g",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi Zener Diodes, SMA. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "diodes",
    "1sma5929bt3g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "1sma5929bt3g.kicad_sym",
    "1sma5929bt3g.kicad_mod",
    "1sma5929bt3g.glb",
    "1sma5929bt3g.step",
    "1sma5929bt3g.lbr",
    "docs/hero.png",
    "docs/1sma5929bt3g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "1sma5929bt3g-hero.glb",
    "1sma5929bt3g-hero.overlay.json",
    "1sma5929bt3g-etched.glb"
  ],
  "component": {
    "mpn": "1SMA5929BT3G",
    "manufacturer": "onsemi",
    "package": "SMA",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/1sma5929bt3-d.pdf",
    "parts": {
      "symbol": "1sma5929bt3g.kicad_sym",
      "footprint": "1sma5929bt3g.kicad_mod",
      "model_3d": "1sma5929bt3g-hero.glb",
      "model_3d_plain": "1sma5929bt3g-etched.glb",
      "model_3d_step": "1sma5929bt3g-etched.step",
      "model_3d_step_plain": "1sma5929bt3g.step",
      "lbr": "1sma5929bt3g.lbr"
    },
    "distributor_links": {
      "lcsc": "C32357",
      "digikey": "1SMA5929BT3GOSTR-ND",
      "mouser": "863-1SMA5929BT3G"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T05:01:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1SMA5929BT3GOSTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-1SMA5929BT3G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CATHODE",
        "type": "passive",
        "description": "Cathode terminal, marked by the polarity band on the SMA package; the 1SMA5929BT3G regulates in reverse bias at a nominal 15 V (VZ 14.25 V min to 15.75 V max) measured at IZT = 25 mA."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "passive",
        "description": "Anode terminal, the forward-biased side; forward voltage is 1.5 V max at IF = 200 mA, and the device is rated for 1.5 W DC power dissipation at TL = 75°C."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: This is a two-terminal Zener diode, so the pinout is only cathode (pin 1) and anode (pin 2). Pin num"
        ],
        "pages_sent": 5,
        "cost_usd": 0.0349,
        "at": "2026-10-21T04:57:01"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/1sma5929bt3-d.pdf",
        "pages": 5,
        "sha256": "1ca169f64a35c9ee",
        "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": "1sma5929bt3g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          2.7,
          2.22
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1cfddd4e3b1bf22b8fc6ee3258c2aade882ed7b85b528e23b9db42437775a1db",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "1sma5929bt3g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.7,
          2.22
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3ddd261307ccc992968bc36348ba293de7d3c81d208b205c8fcf6b41a300c9af",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}