main
Ray Set visibility: public 2d80edc 6d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "tpaz3028-04p-rdg",
  "title": "TPAZ3028-04P.RDG",
  "brief": "TECH PUBLIC ESD And Surge Protection (TVS/ESD), SO-8. 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",
    "tpaz3028-04p.rdg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPAZ3028-04P.RDG",
    "manufacturer": "TECH PUBLIC",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590229819771420672",
    "parts": {
      "symbol": "tpaz3028-04p-rdg.kicad_sym",
      "footprint": "tpaz3028-04p-rdg.kicad_mod",
      "model_3d": "tpaz3028-04p-rdg-hero.glb",
      "model_3d_plain": "tpaz3028-04p-rdg-etched.glb",
      "model_3d_step": "tpaz3028-04p-rdg-etched.step",
      "model_3d_step_plain": "tpaz3028-04p-rdg.step",
      "lbr": "tpaz3028-04p-rdg.lbr"
    },
    "distributor_links": {
      "lcsc": "C2835468"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T12:26:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Protected line of pair 1, paired with pin 8 and with the TVS diode connected to pin 2 (capacitance specified pins 1,8 to 2,7)."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Other side of the TVS diode from pin 1, tied with pin 7 for line pair 1 (VRWM 2.8V max, IPP 10A 8/20µs)."
      },
      {
        "number": "3",
        "name": "3",
        "type": "passive",
        "description": "Protected line of pair 2, paired with pin 6 and with the TVS diode connected to pin 4 (capacitance specified pins 3,6 to 4,5)."
      },
      {
        "number": "4",
        "name": "4",
        "type": "passive",
        "description": "Other side of the TVS diode from pin 3, tied with pin 5 for line pair 2 (VRWM 2.8V max, IPP 10A 8/20µs)."
      },
      {
        "number": "5",
        "name": "5",
        "type": "passive",
        "description": "Other side of the TVS diode from pin 6, tied with pin 4 for line pair 2."
      },
      {
        "number": "6",
        "name": "6",
        "type": "passive",
        "description": "Protected line of pair 2, paired with pin 3 and with the TVS diode connected to pin 5."
      },
      {
        "number": "7",
        "name": "7",
        "type": "passive",
        "description": "Other side of the TVS diode from pin 8, tied with pin 2 for line pair 1."
      },
      {
        "number": "8",
        "name": "8",
        "type": "passive",
        "description": "Protected line of pair 1, paired with pin 1 and with the TVS diode connected to pin 7."
      }
    ],
    "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: The datasheet schematic shows four TVS diodes (1-2, 8-7, 3-4, 6-5) but does not name any pin as GND ; Operating temperature range is listed as '–' in the abs max table on page 2 for TJ. The text shows '",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.2483,
        "at": "2026-10-18T12:24:47"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590229819771420672",
        "pages": 4,
        "sha256": "b48d209fbe56bda6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tpaz3028-04p-rdg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2dc0e7292c48f8aa133d669c9616867c09239ba7e93a5108214dc67a93f35b87",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TECH PUBLIC",
      "Package": "SO-8",
      "Category": "Circuit Protection",
      "Pins": "8"
    },
    "appearance": {
      "contacts": {
        "quote": " Lead Finish: Matte Tin  Case Material: “Green” Molding Compound.",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "b48d209fbe56bda6182bf3da8df9b37b552ae1e0055fd5950adb82d4b3bc1e80"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b48d209fbe56bda6182bf3da8df9b37b552ae1e0055fd5950adb82d4b3bc1e80",
      "rows": [
        {
          "name": "Peak Pulse Power (8/20µs)",
          "symbol": "Ppk",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Current (8/20µs)",
          "symbol": "IPP",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD per IEC 61000-4-2 (Air)",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD per IEC 61000-4-2 (Contact)",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Working Voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2.8,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Punch-Through Voltage",
          "symbol": "VPT",
          "kind": "electrical",
          "unit": "V",
          "min": 3.5,
          "typ": 3.8,
          "max": 4.3,
          "conditions": "IPT = 2µA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Snap-Back Voltage",
          "symbol": "VSB",
          "kind": "electrical",
          "unit": "V",
          "min": 2.8,
          "typ": null,
          "max": null,
          "conditions": "ISB = 50mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Leakage Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VRWM = 2.8V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5.5,
          "conditions": "IPP = 1A (8 x 20µs pulse)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "IPP = 10A (8 x 20µs pulse)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Variation in capacitance with reverse bias",
          "symbol": "",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 1.3,
          "conditions": "Pins 1,8 to 2,7 and pins 3,6 to 4,5; VR = 0 to 2.8V, f = 1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Capacitance",
          "symbol": "CJ",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 4.7,
          "max": 6,
          "conditions": "Pins 1,8 to 2,7 and pins 3,6 to 4,5; VR = 2.8V, f = 1MHz",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tpaz3028-04p.rdg"
  ],
  "discovery_pitch": "TPAZ3028-04P.RDG (TECH PUBLIC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
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    "tpaz3028-04p-rdg.step",
    "tpaz3028-04p-rdg.lbr",
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    "viewers/symbol.html",
    "viewers/footprint.html",
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    "tpaz3028-04p-rdg-hero.overlay.json",
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  "visibility": {
    "public": true
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}