TPSMB22A

{
  "slug": "tpsmb22a",
  "version": "0.1.0",
  "type": "component",
  "description": "Littelfuse TVS, DO-214AA. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "tpsmb22a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tpsmb22a.kicad_sym",
    "tpsmb22a.kicad_mod",
    "tpsmb22a.glb",
    "tpsmb22a.step",
    "tpsmb22a.lbr",
    "docs/hero.png",
    "docs/tpsmb22a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tpsmb22a-hero.glb",
    "tpsmb22a-hero.overlay.json",
    "tpsmb22a-etched.glb"
  ],
  "component": {
    "mpn": "TPSMB22A",
    "manufacturer": "Littelfuse",
    "package": "DO-214AA",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "TVS",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c4b05efd8433d3cce79b8c6653d5b081.pdf",
    "parts": {
      "symbol": "tpsmb22a.kicad_sym",
      "footprint": "tpsmb22a.kicad_mod",
      "model_3d": "tpsmb22a-hero.glb",
      "model_3d_plain": "tpsmb22a-etched.glb",
      "model_3d_step": "tpsmb22a-etched.step",
      "model_3d_step_plain": "tpsmb22a.step",
      "lbr": "tpsmb22a.lbr"
    },
    "distributor_links": {
      "lcsc": "C1975240",
      "digikey": "F6314TR-ND",
      "mouser": "576-TPSMB22A"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T06:22:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "F6314TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "576-TPSMB22A",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode of the unidirectional TVS diode, marked by the color/cathode band on the DO-214AA (SMB J-Bend) body; the TPSMB22A has a 18.80 V min to 23.10 V max breakdown voltage and 20.9 V... see standoff 18.80 V VR."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode of the unidirectional TVS diode on the DO-214AA (SMB J-Bend) package, the terminal opposite the cathode band, with a maximum clamping voltage of 30.6 V at 19.9 A peak pulse current."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet has no numbered pin table. Pin numbers 1 (cathode) and 2 (anode) are inferred from the; The pin 1 description contains a garbled value. The datasheet lists VR as 18.80 V and VBR as 18.80 V"
        ],
        "pages_sent": 6,
        "cost_usd": 0.077,
        "at": "2026-10-31T06:21:57"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/c4b05efd8433d3cce79b8c6653d5b081.pdf",
        "pages": 6,
        "sha256": "8cc50e1afb0bea8d",
        "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": "tpsmb22a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.3,
          3.55,
          2.15
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "029466277d91e9f5492556be93e46611049e07115c7913880c547afa96058ed4",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tpsmb22a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.3,
          3.55,
          2.15
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "caf7ea99d15870198b9cfbc0fe598df11802e55e7bb4bc71f9d85fd17aa97c43",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "DO-214AA",
      "source_page": 5,
      "D": {
        "nom_mm": 4.315,
        "range_mm": [
          4.06,
          4.57
        ]
      },
      "E1": {
        "nom_mm": 3.62,
        "range_mm": [
          3.3,
          3.94
        ]
      },
      "E": {
        "nom_mm": 5.4,
        "range_mm": [
          5.21,
          5.59
        ]
      },
      "A": {
        "nom_mm": 2.285,
        "range_mm": [
          2.13,
          2.44
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "tpsmb22a.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}