master
John Lauer Correct oversized SOT23 nominal geometry and preserve source evidence 6298b6c 13d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "usblc6-2sc6",
  "title": "USBLC6-2SC6",
  "brief": "USBLC6-2SC6 with source-traceable pin map and explicitly nominal drawing-led CAD.",
  "version": "1.0.1",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "esd-protection",
    "tvs",
    "usb",
    "sot-23-6",
    "stmicroelectronics"
  ],
  "component": {
    "mpn": "USBLC6-2SC6",
    "manufacturer": "STMicroelectronics",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Circuit Protection",
    "subcategory": "USB ESD protection array",
    "datasheet": "http://www.stm32circle.com/resources/Datasheets/USBLC6-2SC6.PDF",
    "parts": {
      "symbol": "usblc6-2sc6.kicad_sym",
      "footprint": "usblc6-2sc6.kicad_mod",
      "model_3d": "usblc6-2sc6-hero.glb",
      "model_3d_plain": "usblc6-2sc6-etched.glb",
      "model_3d_step": "usblc6-2sc6-etched.step",
      "model_3d_step_plain": "usblc6-2sc6.step",
      "lbr": "usblc6-2sc6.lbr",
      "model_3d_unmarked": "usblc6-2sc6.glb"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "I/O1",
        "type": "passive",
        "description": "Protected data line 1 (e.g. USB D+ or D-). Bidirectional signal pin clamped by steering diodes to GND and VBUS; also tied to pin 6 (same net). Typical capacitance to GND 2.5 pF, max 3.5 pF at 1 MHz."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference. Cathode return for the lower steering diodes and anode of the internal clamping Zener; must be connected to system ground with the shortest possible trace to minimize parasitic inductance during an ESD event."
      },
      {
        "number": "3",
        "name": "I/O2",
        "type": "passive",
        "description": "Protected data line 2 (e.g. USB D- or D+). Bidirectional signal pin clamped by steering diodes to GND and VBUS; also tied to pin 4 (same net). Typical capacitance to GND 2.5 pF, max 3.5 pF at 1 MHz."
      },
      {
        "number": "4",
        "name": "I/O2",
        "type": "passive",
        "description": "Second bond pad for the I/O2 data line; internally shorted to pin 3. Route the data line to either pin 3 or 4 (or both) as convenient for the PCB layout."
      },
      {
        "number": "5",
        "name": "VBUS",
        "type": "power_in",
        "description": "Positive supply rail reference for the ESD clamp (typ +5 V for USB). Provides the upper rail for the steering diodes and is clamped to GND through the internal Zener; VBR = 6 V min at IF = 1 mA. Bypass to GND with a 100 nF capacitor placed close to the device for optimal ESD performance."
      },
      {
        "number": "6",
        "name": "I/O1",
        "type": "passive",
        "description": "Second bond pad for the I/O1 data line; internally shorted to pin 1. Route the data line to either pin 1 or 6 (or both) as convenient for the PCB layout."
      }
    ],
    "provenance": {
      "record": "provenance-correction.json",
      "cad": "Original Adom nominal reconstruction, not manufacturer CAD",
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/usblc6-2.pdf",
        "mirrorSha256": "e593275721905c80a9ab47ec794d4148dcd986875d678289a56427c10a6dde42"
      },
      "historical": {
        "extractor": "ds2sf",
        "datasheet": {
          "url": "http://www.stm32circle.com/resources/Datasheets/USBLC6-2SC6.PDF",
          "pages": 11,
          "sha256": "e593275721905c80",
          "source_tier": "cse"
        },
        "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": "usblc6-2sc6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "extents_mm": [
          2.8,
          2.9,
          1.2
        ],
        "zmin_mm": 0,
        "origin": "pad-pattern centre",
        "sha256": "1736d31ce6a0b9acad47fc869b3346a04eaf715237ba2af3337c48c4dfbbf605",
        "checked_by": "Original generator and shared STEP features; nominal model",
        "source": "provenance-correction.json"
      },
      {
        "file": "usblc6-2sc6-etched.step",
        "role": "marked",
        "up": "Z",
        "units": "mm",
        "extents_mm": [
          2.8,
          2.9,
          1.205
        ],
        "zmin_mm": 0,
        "origin": "pad-pattern centre",
        "sha256": "3b2db46d9a1c1b4f8fde1178a8dc52a3266c5f40810c32fdb6f9c199d6415763",
        "checked_by": "Original generator and shared STEP features; nominal model",
        "source": "provenance-correction.json"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "USB ESD protection array (2 lines)",
      "Line capacitance": "3.5 pF max (very low)",
      "ESD rating": "IEC 61000-4-2 level 4 (device level)",
      "Leakage": "150 nA max",
      "Protected lines": "2 (I/O1, I/O2)",
      "Rail": "VBUS clamp reference",
      "Package": "SOT-23-6",
      "Body (L×W×H)": "2.9 × 1.6 × 1.1 mm"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "usblc6-2sc6",
    "usb esd protection",
    "tvs diode array usb",
    "low capacitance esd"
  ],
  "discovery_pitch": "USBLC6-2SC6 with source-traceable pin map and explicitly nominal drawing-led CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "LICENSE-KICAD.md",
    "README.md",
    "build_nominal_model.py",
    "docs/hero.png",
    "docs/manufacturer-reference.pdf",
    "docs/usblc6-2sc6-datasheet.pdf",
    "page.json",
    "provenance-correction.json",
    "review/features.json",
    "usblc6-2sc6*",
    "usblc6-2sc6.glb",
    "usblc6-2sc6.kicad_mod",
    "usblc6-2sc6.kicad_sym",
    "viewers/footprint.html",
    "viewers/symbol.html",
    "usblc6-2sc6-hero.glb",
    "usblc6-2sc6-hero.overlay.json",
    "usblc6-2sc6-etched.glb"
  ],
  "variants": [
    {
      "mpn": "USBLC6-2SC6 (SOT-23-6, tape & reel)",
      "kind": "packaging"
    }
  ]
}