MMBZ20VALT1G

{
  "slug": "mmbz20valt1g",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi ESD And Surge Protection (TVS/ESD), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "mmbz20valt1g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mmbz20valt1g.kicad_sym",
    "mmbz20valt1g.kicad_mod",
    "mmbz20valt1g.glb",
    "mmbz20valt1g.step",
    "mmbz20valt1g.lbr",
    "docs/hero.png",
    "docs/mmbz20valt1g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mmbz20valt1g-hero.glb",
    "mmbz20valt1g-hero.overlay.json"
  ],
  "component": {
    "mpn": "MMBZ20VALT1G",
    "manufacturer": "onsemi",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586188999115751424",
    "parts": {
      "symbol": "mmbz20valt1g.kicad_sym",
      "footprint": "mmbz20valt1g.kicad_mod",
      "model_3d": "mmbz20valt1g-hero.glb",
      "model_3d_plain": "mmbz20valt1g.glb",
      "model_3d_step": "mmbz20valt1g-etched.step",
      "model_3d_step_plain": "mmbz20valt1g.step",
      "lbr": "mmbz20valt1g.lbr"
    },
    "distributor_links": {
      "lcsc": "C153067",
      "digikey": "MMBZ20VALT1GOSTR-ND",
      "mouser": "863-MMBZ20VALT1G"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T20:50:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MMBZ20VALT1GOSTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-MMBZ20VALT1G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CATHODE 1",
        "type": "passive",
        "description": "Cathode of the first Zener junction in the dual common-anode device; for a unidirectional configuration it is tied to pin 3 (ANODE) per the datasheet's circuit note (pins 1 and 3 or 2 and 3)."
      },
      {
        "number": "2",
        "name": "CATHODE 2",
        "type": "passive",
        "description": "Cathode of the second Zener junction in the dual common-anode device; for a unidirectional configuration it is tied to pin 3 (ANODE) per the datasheet's circuit note (pins 2 and 3 or 1 and 3)."
      },
      {
        "number": "3",
        "name": "ANODE",
        "type": "passive",
        "description": "Common anode shared by both Zener junctions, which the datasheet says allows either two separate unidirectional configurations or 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: Pinout taken from the SOT-23 Case 318 Style 12 definition (Pin 1 CATHODE, Pin 2 CATHODE, Pin 3 ANODE; The datasheet gives no electrical limits per pin. Pin descriptions are limited to the function and c; The MMBZ20VALT1G variant is listed in the 40 W unidirectional table (VRWM 17 V, VBR 19.0-21.0 V nomi",
          "1/3 pins cited to the wrong page (name found elsewhere): ['1:CATHODE 1@p8']"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0528,
        "at": "2026-10-09T20:48:55"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586188999115751424",
        "pages": 9,
        "sha256": "4e26688519a3202b",
        "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": "mmbz20valt1g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mmbz20valt1g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8eb47dca18908d3080632b6a857e3380d0b4f6ace31f3d96163c07c26431316f",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}