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Ray Set visibility: public eea1325 13d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "pesd12vs1ub",
  "title": "PESD12VS1UB",
  "brief": "UMW ESD And Surge Protection (TVS/ESD), SOD-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "circuit protection",
    "pesd12vs1ub",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "PESD12VS1UB",
    "manufacturer": "UMW",
    "package": "SOD-523",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/053cec1c9a3524b7cf7cf1c7bee4902a.pdf",
    "parts": {
      "symbol": "pesd12vs1ub.kicad_sym",
      "footprint": "pesd12vs1ub.kicad_mod",
      "model_3d": "pesd12vs1ub-hero.glb",
      "model_3d_plain": "pesd12vs1ub-etched.glb",
      "model_3d_step": "pesd12vs1ub-etched.step",
      "model_3d_step_plain": "pesd12vs1ub.step",
      "lbr": "pesd12vs1ub.lbr"
    },
    "distributor_links": {
      "lcsc": "C7436895"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T08:54:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Pin1",
        "type": "passive",
        "description": "One terminal of the unidirectional ESD protection diode that protects one transmission or data line; for PESD12VS1UB the reverse standoff voltage VRWM is 12 V. Anode or cathode assignment is not stated in the datasheet text."
      },
      {
        "number": "2",
        "name": "Pin2",
        "type": "passive",
        "description": "The other terminal of the unidirectional ESD protection diode that protects one transmission or data line; for PESD12VS1UB the diode capacitance is 38 pF typical at VR=0V, f=1MHz. Anode or cathode assignment is not stated in the datasheet text."
      }
    ],
    "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 gives only the labels 'Pin1 Pin2' for SOD-523 with no drawing or text identifying anod; The MPN PESD12VS1UB is listed in the ordering table (page 11) in the SOD-523 package, so the SOD-523"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0756,
        "at": "2026-10-21T08:50:09"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/053cec1c9a3524b7cf7cf1c7bee4902a.pdf",
        "pages": 12,
        "sha256": "9cb60909210c314b",
        "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": "pesd12vs1ub.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.6,
          0.8,
          0.63
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b525222377930c32abea58606bffba3aaf171cc66ac292b82d28a82d646d995d",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pesd12vs1ub-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          0.8,
          0.63
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "82c82683976adbb1ed4be8b0f6d40acdb4329d8421be87aaac3775ee20fc6762",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "SOD-523",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "9cb60909210c314bb771b2fbce9f02d90638650886630629766782bc68b3d30c",
      "rows": [
        {
          "name": "breakdown voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 14.7,
          "typ": 15,
          "max": 15.3,
          "conditions": "IR=5mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "reverse leakage current",
          "symbol": "IRM",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VRWM=12V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "diode capacitance",
          "symbol": "Cd",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 38,
          "max": 75,
          "conditions": "VR=0V, f=1MHz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "peak pulse power",
          "symbol": "PPP",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 180,
          "conditions": "8/20 μs(1)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "peak pulse current",
          "symbol": "IPP",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "8/20 μs(1)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "junction ambient temperature",
          "symbol": "Tamb",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "electrostatic discharge capability (IEC 61000-4-2 contact discharge)",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "IEC 61000-4-2 (contact discharge)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "electrostatic discharge capability (HBM MIL-STD883)",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "HBM MIL-STD883",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "reverse standoff voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "clamping voltage",
          "symbol": "V(CL)R",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 19,
          "max": null,
          "conditions": "IPP=1A",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "clamping voltage",
          "symbol": "V(CL)R",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 35,
          "max": null,
          "conditions": "IPP=5A",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "differential resistance",
          "symbol": "Rdiff",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "IR=1mA",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
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    "viewers",
    "readme",
    "breadcrumbs",
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  ],
  "discovery_triggers": [
    "pesd12vs1ub"
  ],
  "discovery_pitch": "PESD12VS1UB (UMW) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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    "pesd12vs1ub.step",
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    "viewers/symbol.html",
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    "pesd12vs1ub-hero.overlay.json",
    "pesd12vs1ub-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}