MMBZ33VAL

{
  "slug": "mmbz33val",
  "version": "0.1.0",
  "type": "component",
  "description": "DOWO 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",
    "mmbz33val",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mmbz33val.kicad_sym",
    "mmbz33val.kicad_mod",
    "mmbz33val.glb",
    "mmbz33val.step",
    "mmbz33val.lbr",
    "docs/hero.png",
    "docs/mmbz33val-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mmbz33val-hero.glb",
    "mmbz33val-hero.overlay.json"
  ],
  "component": {
    "mpn": "MMBZ33VAL",
    "manufacturer": "DOWO",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602919573922594816",
    "parts": {
      "symbol": "mmbz33val.kicad_sym",
      "footprint": "mmbz33val.kicad_mod",
      "model_3d": "mmbz33val-hero.glb",
      "model_3d_plain": "mmbz33val.glb",
      "model_3d_step": "mmbz33val-etched.step",
      "model_3d_step_plain": "mmbz33val.step",
      "lbr": "mmbz33val.lbr"
    },
    "distributor_links": {
      "lcsc": "C19192541"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T16:39:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K1",
        "type": "passive",
        "description": "Cathode of the first Zener diode (unidirectional line 1, circuit tied to pins 1 and 3), with VBR 31.35V min to 34.65V max at IT=1mA and VRWM 26.0V for MMBZ33VAL."
      },
      {
        "number": "2",
        "name": "K2",
        "type": "passive",
        "description": "Cathode of the second Zener diode (unidirectional line 2, circuit tied to pins 2 and 3), with VBR 31.35V min to 34.65V max at IT=1mA and VRWM 26.0V for MMBZ33VAL."
      },
      {
        "number": "3",
        "name": "A",
        "type": "passive",
        "description": "Common anode of both Zener diodes, shared by the two protected lines; the pair can also be used as a single bidirectional configuration."
      }
    ],
    "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: Pin names K1/K2/A are inferred from the pin configuration drawing, which shows pins 1 and 2 at the d; Pin types are set to passive because diode terminals have no ERC class that fits better. They are no",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.0938,
        "at": "2026-10-09T16:37:23"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602919573922594816",
        "pages": 5,
        "sha256": "3c3e6f105b61864b",
        "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": "mmbz33val.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": "mmbz33val-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": "93d930a5eea206ce01d77a09371de318b063c824b3b9e1327f3387ee07daeb46",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}