SZMMBZ33VAWT1G

{
  "slug": "szmmbz33vawt1g",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi ESD And Surge Protection (TVS/ESD), SC-70-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "szmmbz33vawt1g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "szmmbz33vawt1g.kicad_sym",
    "szmmbz33vawt1g.kicad_mod",
    "szmmbz33vawt1g.glb",
    "szmmbz33vawt1g.step",
    "szmmbz33vawt1g.lbr",
    "docs/hero.png",
    "docs/szmmbz33vawt1g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "szmmbz33vawt1g-hero.glb",
    "szmmbz33vawt1g-hero.overlay.json",
    "szmmbz33vawt1g-etched.glb"
  ],
  "component": {
    "mpn": "SZMMBZ33VAWT1G",
    "manufacturer": "onsemi",
    "package": "SC-70-3",
    "pin_count": 3,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603012281072697344",
    "parts": {
      "symbol": "szmmbz33vawt1g.kicad_sym",
      "footprint": "szmmbz33vawt1g.kicad_mod",
      "model_3d": "szmmbz33vawt1g-hero.glb",
      "model_3d_plain": "szmmbz33vawt1g-etched.glb",
      "model_3d_step": "szmmbz33vawt1g-etched.step",
      "model_3d_step_plain": "szmmbz33vawt1g.step",
      "lbr": "szmmbz33vawt1g.lbr"
    },
    "distributor_links": {
      "lcsc": "C463903",
      "digikey": "SZMMBZ33VAWT1GOSTR-ND",
      "mouser": "863-SZMMBZ33VAWT1G"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T17:16:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "SZMMBZ33VAWT1GOSTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-SZMMBZ33VAWT1G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CATHODE 1",
        "type": "passive",
        "description": "Cathode of the first Zener junction in the dual common-anode device; used as a unidirectional Zener when the circuit is tied to pins 1 and 3."
      },
      {
        "number": "2",
        "name": "CATHODE 2",
        "type": "passive",
        "description": "Cathode of the second Zener junction in the dual common-anode device; used as a unidirectional Zener when the circuit is tied to pins 2 and 3."
      },
      {
        "number": "3",
        "name": "ANODE",
        "type": "passive",
        "description": "Common anode shared by both Zener junctions, which protects two separate lines with one package; the datasheet also allows a single bidirectional configuration."
      }
    ],
    "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: The datasheet is a series document (MMBZxxVAWT1G / SZMMBZxxVAWT1G). The SZMMBZ33VAWT1G is the 33 V m; The datasheet gives no dedicated pin table. Pin numbers and names come from the Style 4 package draw"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0322,
        "at": "2026-10-16T17:16:20"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603012281072697344",
        "pages": 6,
        "sha256": "f889917352bb8aa4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "szmmbz33vawt1g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "acbf75a28fe41aa90efb38cd2b78220968d6eb6ebae1625dfd532dbeb268fece",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "szmmbz33vawt1g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a65a77e309774efac1066785bdfec718b133398e1739782d2eeba9b68f2c6e2f",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}