PESD5V0X1UB

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  "type": "component",
  "slug": "pesd5v0x1ub",
  "title": "PESD5V0X1UB",
  "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": [
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    "circuit protection",
    "pesd5v0x1ub",
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  "component": {
    "mpn": "PESD5V0X1UB",
    "manufacturer": "UMW",
    "package": "SOD-523",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755880036836749312",
    "parts": {
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      "model_3d_step_plain": "pesd5v0x1ub.step",
      "lbr": "pesd5v0x1ub.lbr"
    },
    "distributor_links": {
      "lcsc": "C19185924"
    },
    "distributor_check": {
      "checked_at": "2026-10-15T11:43:01Z",
      "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 single unidirectional ESD protection diode for the protected signal line; the datasheet rates the device at up to 8 kV ESD (IEC 61000-4-2 contact discharge) measured from pin 1 to pin 2."
      },
      {
        "number": "2",
        "name": "Pin2",
        "type": "passive",
        "description": "The other terminal of the single unidirectional ESD protection diode; the datasheet's reverse standoff voltage (VRWM max 5.5 V) and clamping voltage (VCL typ 8 V at IPP 1.5 A) are specified from pin 1 to pin 2."
      }
    ],
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        "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 the pins only as 'Pin1' and 'Pin2' with a package drawing that is not in the ext; The ESD, clamping and standoff ratings are specified between pin 1 and pin 2 as a pair, not per pin."
        ],
        "pages_sent": 8,
        "cost_usd": 0.0235,
        "at": "2026-10-15T11:42:47"
      },
      "datasheet": {
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        "pages": 8,
        "sha256": "29ff49d474f582b8",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "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": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pesd5v0x1ub-etched.step",
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
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        "sha256": "f26e3fb91ae276bf60a525722bccadb8262f3e9943dccc7a7f2d153cc9f41c12",
        "checked": "2026-10-15",
        "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": "29ff49d474f582b897a3b6303fd56113b1e16ab2b7f8b774e5fa3df47f17a022",
      "rows": [
        {
          "name": "Reverse standoff voltage (maximum, quick reference)",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Diode capacitance",
          "symbol": "Cd",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 0.95,
          "max": 1.1,
          "conditions": "VR=0V, f=1MHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Breakdown voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 5.8,
          "typ": null,
          "max": 7.5,
          "conditions": "IR=10mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak pulse current",
          "symbol": "IPP",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "tp=8/20μs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Ambient temperature",
          "symbol": "Tamb",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
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          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic discharge voltage (IEC 61000-4-2 contact discharge)",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "IEC 61000-4-2 (contact discharge)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic discharge voltage (machine model)",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "machine model",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic discharge voltage (human body model)",
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          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "MIL-STD-883 (human body model)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse leakage current",
          "symbol": "IRM",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VRWM=5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Clamping voltage",
          "symbol": "VCL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 8,
          "max": null,
          "conditions": "IPP=1.5A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dynamic resistance",
          "symbol": "rdyn",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.25,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_pitch": "PESD5V0X1UB (UMW) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}