LTC4211IS8#TRPBF

{
  "slug": "ltc4211is8-trpbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Surge Protection Devices (SPDs), SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "ltc4211is8#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ltc4211is8-trpbf.kicad_sym",
    "ltc4211is8-trpbf.kicad_mod",
    "ltc4211is8-trpbf.glb",
    "ltc4211is8-trpbf.step",
    "ltc4211is8-trpbf.lbr",
    "docs/hero.png",
    "docs/ltc4211is8-trpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ltc4211is8-trpbf-hero.glb",
    "ltc4211is8-trpbf-hero.overlay.json",
    "ltc4211is8-trpbf-etched.glb"
  ],
  "component": {
    "mpn": "LTC4211IS8#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Circuit Protection",
    "subcategory": "Surge Protection Devices (SPDs)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589861377948495872",
    "parts": {
      "symbol": "ltc4211is8-trpbf.kicad_sym",
      "footprint": "ltc4211is8-trpbf.kicad_mod",
      "model_3d": "ltc4211is8-trpbf-hero.glb",
      "model_3d_plain": "ltc4211is8-trpbf-etched.glb",
      "model_3d_step": "ltc4211is8-trpbf-etched.step",
      "model_3d_step_plain": "ltc4211is8-trpbf.step",
      "lbr": "ltc4211is8-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C687416",
      "digikey": "161-LTC4211IS8#TRPBFTR-ND",
      "mouser": "584-LTC4211IS8#TRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T00:00:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "161-LTC4211IS8#TRPBFTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "584-LTC4211IS8#TRPBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RESET",
        "type": "output",
        "description": "Open-drain output that pulls to GND when the FB voltage falls below the 1.236V threshold, requires an external pull-up resistor to VCC, and goes high impedance at the end of the second timing cycle after FB rises above threshold."
      },
      {
        "number": "2",
        "name": "ON",
        "type": "input",
        "description": "Active-high enable input: VON above 1.316V starts the first timing cycle (if no GATE overvoltage exists), while VON below 1.236V pulls GATE low through an internal 200µA sink, with 80mV hysteresis."
      },
      {
        "number": "3",
        "name": "TIMER",
        "type": "passive",
        "description": "A capacitor connected from this pin to GND sets the initial and second start-up timing cycles and the power-good delay, and the pin is rated -0.3V to 2V absolute maximum."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground connection, to be connected to the system's analog ground plane."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to comparator COMP2 that monitors the output supply through an external resistive divider, pulling RESET low when VFB is below 1.236V, with an absolute maximum rating of -0.3V to 17V."
      },
      {
        "number": "6",
        "name": "GATE",
        "type": "output",
        "description": "High-side gate drive output for the external N-channel pass FET, with gate drive limited by internal charge pump and zener clamps (ΔVGATE minimum 10V for 4.75V ≤ VCC ≤ 12V)."
      },
      {
        "number": "7",
        "name": "SENSE",
        "type": "input",
        "description": "Circuit breaker sense input: with a sense resistor between VCC and SENSE, the slow comparator trips at 50mV for 20µs and the fast comparator trips at 150mV for 300ns, and tying VCC to SENSE disables the breaker."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply input operating from 2.5V to 16.5V, with an internal undervoltage lockout that disables the device until VCC exceeds 2.3V."
      }
    ],
    "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: Pin numbers were taken from the Pin Functions section, which lists 8-lead pin numbers explicitly (e.; The datasheet text does not give an explicit pin type for RESET or GATE beyond open-drain and gate-d"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0843,
        "at": "2026-10-20T23:57:05"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589861377948495872",
        "pages": 40,
        "sha256": "95eeb8e566a72daa",
        "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": [
      {
        "file": "ltc4211is8-trpbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ltc4211is8-trpbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
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          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "98e762266761b5ecb5f82f24ed81250dafa9f390ed938b650a3d630d254f31ab",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}