TISP61089BDR-S

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  "type": "component",
  "slug": "tisp61089bdr-s",
  "title": "TISP61089BDR-S",
  "brief": "BOURNS 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": [
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  "component": {
    "mpn": "TISP61089BDR-S",
    "manufacturer": "BOURNS",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886921237958656",
    "parts": {
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      "footprint": "tisp61089bdr-s.kicad_mod",
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      "model_3d_plain": "tisp61089bdr-s.glb",
      "model_3d_step": "tisp61089bdr-s-etched.step",
      "model_3d_step_plain": "tisp61089bdr-s.step",
      "lbr": "tisp61089bdr-s.lbr"
    },
    "distributor_links": {
      "lcsc": "C415877",
      "digikey": "TISP61089BDR-STR-ND",
      "mouser": "652-TISP61089BDR-S"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T18:40:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "TISP61089BDR-STR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "652-TISP61089BDR-S",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K1",
        "type": "passive",
        "description": "Thyristor cathode K1 (Tip) of the SCR/diode pair; connects to the line Tip conductor and is clipped to the gate-referenced negative supply voltage."
      },
      {
        "number": "2",
        "name": "G",
        "type": "input",
        "description": "Gate terminal connected to the SLIC negative supply VBATH (with a 220 nF decoupling capacitor) to set the negative protection voltage, supporting battery voltages down to -155 V."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "4",
        "name": "K2",
        "type": "passive",
        "description": "Thyristor cathode K2 (Ring) of the SCR/diode pair; connects to the line Ring conductor and is clipped to the gate-referenced negative supply voltage."
      },
      {
        "number": "5",
        "name": "K2",
        "type": "passive",
        "description": "Thyristor cathode K2 (Ring), internally the same node as pin 4; connects to the line Ring conductor."
      },
      {
        "number": "6",
        "name": "A",
        "type": "power_in",
        "description": "Anode (Ground) common to both protector elements; positive overvoltages are clipped to ground through diode forward conduction."
      },
      {
        "number": "7",
        "name": "A",
        "type": "power_in",
        "description": "Anode (Ground) common to both protector elements, internally the same node as pin 6."
      },
      {
        "number": "8",
        "name": "K1",
        "type": "passive",
        "description": "Thyristor cathode K1 (Tip), internally the same node as pin 1; connects to the line Tip conductor."
      }
    ],
    "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's pin diagram is flattened in the text extraction; pin-to-label mapping (1 K1, 2 A, 3 ; The text also contains a second pin diagram (SD6XAEB, labels K1 K2 A A G K1 K2) that does not show N; Pin types are KiCad-class judgments: K1/K2 set as passive (line terminals), A set as power_in becaus"
        ],
        "pages_sent": 2,
        "cost_usd": 0.3171,
        "at": "2026-10-09T18:39:02"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886921237958656",
        "pages": 21,
        "sha256": "2fa43e897ce12f47",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tisp61089bdr-s-etched.step",
        "role": "eda",
        "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": "005e4c0e71a7e683f06aab667c7ec296cc90acc3a9be3e169d95e0c5cc0ba5b2",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BOURNS",
      "Package": "SO-8",
      "Category": "Circuit Protection",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
    "tisp61089bdr-s"
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  "discovery_pitch": "TISP61089BDR-S (BOURNS) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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}