main
Ray Set visibility: public 2820a1a
{
  "schema_version": 1,
  "type": "component",
  "slug": "cdsot23-slvu2-8",
  "title": "CDSOT23-SLVU2.8",
  "brief": "BOURNS ESD Protection Devices, SOT-23. 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",
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  "component": {
    "mpn": "CDSOT23-SLVU2.8",
    "manufacturer": "BOURNS",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Circuit Protection",
    "subcategory": "ESD Protection Devices",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/1b6725666e17c588cfb0bc79868bb5bd.pdf",
    "parts": {
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      "lbr": "cdsot23-slvu2-8.lbr"
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    "distributor_links": {
      "lcsc": "C1973242",
      "digikey": "CDSOT23-SLVU2.8TR-ND",
      "mouser": "652-CDSOT23-SLVU2.8"
    },
    "distributor_check": {
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "CDSOT23-SLVU2.8TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "652-CDSOT23-SLVU2.8",
        "status": "found"
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    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Common reference node for all stated TVS measurements, with leakage, clamping and capacitance specified Pin 3 to Pin 1 or Pin 2 to Pin 1; the datasheet does not label it as ground."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Maximum clamping voltage is 7.0 V at IP = 5 A and 8.5 V at IP = 5 A measured Pin 2 to Pin 1, with 30 A clamping of 21.0 V and a 2.5 pF typical junction capacitance when Pin 3 is NC."
      },
      {
        "number": "3",
        "name": "3",
        "type": "passive",
        "description": "Leakage is 1.0 µA maximum at VWM = 2.8 V measured Pin 3 to Pin 1, and typical junction capacitance is 20 pF measured Pin 3 to Pin 1 and Pin 2; Pin 3 may be left NC in the Pin 2 to Pin 1 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: The datasheet has no explicit pin-function table or pin diagram; pin roles were inferred only from t; The package is given as SOT-23 per the hint and the dimension drawing (2.80-3.00 mm x 1.20-1.40 mm, ; The physical position of each pin number is not explicitly mapped in the text. The dimension drawing"
        ],
        "pages_sent": 5,
        "cost_usd": 0.0522,
        "at": "2026-11-12T04:11:29"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/1b6725666e17c588cfb0bc79868bb5bd.pdf",
        "pages": 5,
        "sha256": "981296d180949a2b",
        "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": [
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        "file": "cdsot23-slvu2-8.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cdsot23-slvu2-8-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "bd043a1b0846b53ce8ac6d852f2806de95b0197ed29c7860086575d75cfbc8a9",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOT23",
      "source_page": 2,
      "D": {
        "nom_mm": 2.9,
        "range_mm": [
          2.8,
          3
        ]
      },
      "E1": {
        "nom_mm": 1.3,
        "range_mm": [
          1.2,
          1.4
        ]
      },
      "E": {
        "nom_mm": 2.295,
        "range_mm": [
          2.1,
          2.49
        ]
      },
      "e": {
        "nom_mm": 0.95,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.03,
        "range_mm": [
          0.89,
          1.17
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "cdsot23-slvu2-8.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BOURNS",
      "Package": "SOT-23",
      "Category": "Circuit Protection",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "981296d180949a2b01ce521127efd1eb10d0ff44876b38f5338191c13c380d84",
      "rows": [
        {
          "name": "Peak Pulse Power",
          "symbol": "PPK",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 600,
          "conditions": "tp = 8/20 μs",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Current",
          "symbol": "IPPM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "tp = 8/20 μs",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "ºC",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "TOPR",
          "kind": "recommended_operating",
          "unit": "ºC",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Minimum Breakdown Voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": null,
          "conditions": "@ 1 mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Minimum Snap Back Voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 2.8,
          "typ": null,
          "max": null,
          "conditions": "@ 50 mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Working Peak Voltage",
          "symbol": "VWM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2.8,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Leakage Current",
          "symbol": "ID",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "@ VWM (Pin 3 to Pin 1) or (Pin 2 to Pin 1)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5.5,
          "conditions": "@ IP = 2 A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Clamping Voltage (first printed value)",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "@ IP = 5 A (Pin 2 to Pin 1)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Clamping Voltage (second printed value)",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 8.5,
          "conditions": "@ IP = 5 A (Pin 2 to Pin 1)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 21,
          "conditions": "@ IP = 30 A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Capacitance",
          "symbol": "CD",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "@ 0 V, 1 MHz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Peak Reverse Voltage",
          "symbol": "VRRM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "@ I = 10 μA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Reverse Leakage Current",
          "symbol": "IDR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "@ VWM",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "@ IF = 1 A, 120 μs",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical Junction Capacitance (Pin 3 to Pin 1 & Pin 2)",
          "symbol": "CD",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "@ 0 V, 1 MHz, (Pin 3 to Pin 1 & Pin 2)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical Junction Capacitance (Pin 2 to Pin 1 with Pin 3 NC)",
          "symbol": "CD",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 2.5,
          "max": null,
          "conditions": "@ 0 V, 1 MHz, (Pin 2 to Pin 1 with Pin 3 NC)",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
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