RCLAMP0554S

{
  "slug": "rclamp0554s",
  "version": "0.1.0",
  "type": "component",
  "description": "Leiditech ESD And Surge Protection (TVS/ESD), SOT-26. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "rclamp0554s",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "rclamp0554s.kicad_sym",
    "rclamp0554s.kicad_mod",
    "rclamp0554s.glb",
    "rclamp0554s.step",
    "rclamp0554s.lbr",
    "docs/hero.png",
    "docs/rclamp0554s-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "rclamp0554s-hero.glb",
    "rclamp0554s-hero.overlay.json",
    "rclamp0554s-etched.glb"
  ],
  "component": {
    "mpn": "RCLAMP0554S",
    "manufacturer": "Leiditech",
    "package": "SOT-26",
    "pin_count": 6,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590227252375162880",
    "parts": {
      "symbol": "rclamp0554s.kicad_sym",
      "footprint": "rclamp0554s.kicad_mod",
      "model_3d": "rclamp0554s-hero.glb",
      "model_3d_plain": "rclamp0554s-etched.glb",
      "model_3d_step": "rclamp0554s-etched.step",
      "model_3d_step_plain": "rclamp0554s.step",
      "lbr": "rclamp0554s.lbr"
    },
    "distributor_links": {
      "lcsc": "C2972544"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T04:53:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "I/O_1",
        "type": "passive",
        "description": "Data line protection pin (I/O pin 1) that steers transients through the internal diodes to the REF1 and REF2 references; the datasheet gives Junction Capacitance of 1.5 pF max between I/O pins and 3.0 pF typ / 5.0 pF max to ground at VR = 0V, 1MHz."
      },
      {
        "number": "2",
        "name": "REF1",
        "type": "power_in",
        "description": "Negative reference (REF1) that should be connected directly to a board ground plane with the shortest possible path to minimize parasitic inductance."
      },
      {
        "number": "3",
        "name": "I/O_3",
        "type": "passive",
        "description": "Data line protection pin (I/O pin 3) that steers transients through the internal diodes to the REF1 and REF2 references; the datasheet gives Junction Capacitance of 1.5 pF max between I/O pins and 3.0 pF typ / 5.0 pF max to ground at VR = 0V, 1MHz."
      },
      {
        "number": "4",
        "name": "I/O_4",
        "type": "passive",
        "description": "Data line protection pin (I/O pin 4) that steers transients through the internal diodes to the REF1 and REF2 references; the datasheet gives Junction Capacitance of 1.5 pF max between I/O pins and 3.0 pF typ / 5.0 pF max to ground at VR = 0V, 1MHz."
      },
      {
        "number": "5",
        "name": "REF2",
        "type": "power_in",
        "description": "Positive reference (REF2), connected to VCC in the application circuits; the Reverse Working Voltage is 5 V and the breakdown voltage (1 mA) is 6 V min measured from pin 5 to pin 2."
      },
      {
        "number": "6",
        "name": "I/O_6",
        "type": "passive",
        "description": "Data line protection pin (I/O pin 6) that steers transients through the internal diodes to the REF1 and REF2 references; the datasheet gives Junction Capacitance of 1.5 pF max between I/O pins and 3.0 pF typ / 5.0 pF max to ground at VR = 0V, 1MHz."
      }
    ],
    "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 text does not include the pin-configuration drawing content, only the SOT-26 outline a; The datasheet names the I/O pins only as pins 1, 3, 4 and 6 and does not map the 'I/O 1..4' labels i; Pin 2 is stated as the negative reference (REF1) and pin 5 as the positive reference (REF2) and conn",
          "1/6 pin names appear NOWHERE in the datasheet text: ['6:I/O_6@p2']"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0275,
        "at": "2026-10-18T04:50:02"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590227252375162880",
        "pages": 8,
        "sha256": "1c014f57e86b0e7e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "rclamp0554s.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rclamp0554s-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "007bae25f0749b3293e754fa324d4b7512cd846d307c296330176f9a203b1a09",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}