ESDS552DBZR

{
  "slug": "esds552dbzr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments ESD And Surge Protection (TVS/ESD), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "esds552dbzr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "esds552dbzr.kicad_sym",
    "esds552dbzr.kicad_mod",
    "esds552dbzr.glb",
    "esds552dbzr.step",
    "esds552dbzr.lbr",
    "docs/hero.png",
    "docs/esds552dbzr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "esds552dbzr-hero.glb",
    "esds552dbzr-hero.overlay.json",
    "esds552dbzr-etched.glb"
  ],
  "component": {
    "mpn": "ESDS552DBZR",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://www.ti.com.cn/cn/lit/ds/symlink/esds552.pdf?ts=1736913874039&ref_url=https%253A%252F%252Fwww.ti.com.cn%252Fsitesearch%252Fzh-cn%252Fdocs%252Funiversalsearch.tsp%253FlangPref%253Dzh-CN%2526nr%253D8%2526searchTerm%253DESDS552DBZR",
    "parts": {
      "symbol": "esds552dbzr.kicad_sym",
      "footprint": "esds552dbzr.kicad_mod",
      "model_3d": "esds552dbzr-hero.glb",
      "model_3d_plain": "esds552dbzr-etched.glb",
      "model_3d_step": "esds552dbzr-etched.step",
      "model_3d_step_plain": "esds552dbzr.step",
      "lbr": "esds552dbzr.lbr"
    },
    "distributor_links": {
      "lcsc": "C34916166",
      "digikey": "296-ESDS552DBZRTR-ND",
      "mouser": "595-ESDS552DBZR"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T01:12:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-ESDS552DBZRTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-ESDS552DBZR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IO 1",
        "type": "bidirectional",
        "description": "Surge- and ESD-protected I/O pin for the bidirectional TVS, with input voltage between any two pins limited to -12 V to 12 V."
      },
      {
        "number": "2",
        "name": "IO 2",
        "type": "bidirectional",
        "description": "Surge- and ESD-protected I/O pin for the bidirectional TVS, with input voltage between any two pins limited to -12 V to 12 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; connect to ground."
      }
    ],
    "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 pin table lists IO 1 and IO 2 together as pins 1, 2 with no per-pin mapping. The assignment of I; The 'Surge and ESD protected IO' pin description and the -12 V to 12 V limit come from the device-le"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0459,
        "at": "2026-10-18T01:10:44"
      },
      "datasheet": {
        "url": "https://www.ti.com.cn/cn/lit/ds/symlink/esds552.pdf?ts=1736913874039&ref_url=https%253A%252F%252Fwww.ti.com.cn%252Fsitesearch%252Fzh-cn%252Fdocs%252Funiversalsearch.tsp%253FlangPref%253Dzh-CN%2526nr%253D8%2526searchTerm%253DESDS552DBZR",
        "pages": 14,
        "sha256": "0f2ab62094ba9423",
        "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": [
      {
        "file": "esds552dbzr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "esds552dbzr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5e8f06a1b19a327d8326caf6df3c93f2fdb5c63fc9fcdd0d297b9dcb3dd82ff5",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}