main
Ray Set visibility: public e76f07c 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "tt0512tmx",
  "title": "TT0512TMX",
  "brief": "Shenzhen JingYang ESD And Surge Protection (TVS/ESD), SOT-143. 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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    "circuit protection",
    "tt0512tmx",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "TT0512TMX",
    "manufacturer": "Shenzhen JingYang",
    "package": "SOT-143",
    "pin_count": 4,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602988655254654976",
    "parts": {
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      "footprint": "tt0512tmx.kicad_mod",
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      "model_3d_plain": "tt0512tmx-etched.glb",
      "model_3d_step": "tt0512tmx-etched.step",
      "model_3d_step_plain": "tt0512tmx.step",
      "lbr": "tt0512tmx.lbr"
    },
    "distributor_links": {
      "lcsc": "C7434064"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T06:43:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the TVS protection, shown as GND in the pin configuration on page 1; the datasheet gives no separate electrical limit for this pin."
      },
      {
        "number": "2",
        "name": "IO1",
        "type": "bidirectional",
        "description": "Protected data line I/O 1 with 0.6pF typical capacitance to GND and ±17kV contact / ±27kV air ESD protection per IEC 61000-4-2 (Level 4 rated on the datasheet)."
      },
      {
        "number": "3",
        "name": "IO2",
        "type": "bidirectional",
        "description": "Protected data line I/O 2 with 0.6pF typical capacitance to GND, rated 5V nominal reverse working voltage (VRWM) and ±17kV contact / ±27kV air ESD per IEC 61000-4-2."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply-side pin shown as VCC in the pin configuration; the datasheet gives no voltage limit or function description for this pin."
      }
    ],
    "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-configuration figure text was extracted without clear geometry. The pairing of labels to pin; The datasheet does not state what VCC is or its voltage limits; it only labels the pin. Description ; The datasheet only labels this pin GND and gives no separate description."
        ],
        "pages_sent": 6,
        "cost_usd": 0.0379,
        "at": "2026-10-18T06:41:46"
      },
      "datasheet": {
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        "pages": 6,
        "sha256": "19b05ea5551e4d6a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "role": "plain",
        "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": "b35b433c0dc71ac416a9c731e744d2e0610f82ebe97275830f0e17cdcbe44512",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tt0512tmx-etched.step",
        "role": "eda",
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        "origin": "footprint origin = pad-pattern centre",
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f41dcef6a7acbc1263be291d85bf21df7b16be9a80f824cd508b2d05e839b0c3",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shenzhen JingYang",
      "Package": "SOT-143",
      "Category": "Circuit Protection",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "19b05ea5551e4d6a070b8f3d0e9b7cac996db6868c7ff1715c8412be5707d190",
      "rows": [
        {
          "name": "Reverse Breakdown Voltage (IT = 1mA, between I/O and GND)",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 6,
          "typ": 8,
          "max": 10,
          "conditions": "IT = 1mA, between I/O and GND",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Leakage Current (VRWM = 5V, T = 25C, between I/O and GND)",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "VRWM = 5V, T = 25C, between I/O and GND",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Parasitic Capacitance (between I/O and GND)",
          "symbol": "CESD",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 0.6,
          "max": 0.8,
          "conditions": "VR = 0V, f = 1MHz, between I/O and GND",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Parasitic Capacitance (between I/O and I/O)",
          "symbol": "CESD",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 0.3,
          "max": 0.4,
          "conditions": "VR = 0V, f = 1MHz, between I/O and I/O",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Clamping Voltage (between I/O and GND)",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 11,
          "conditions": "IPP = 1A, tp = 8/20μs, between I/O and GND",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Clamping Voltage (between I/O and GND)",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "IPP = 4A, tp = 8/20μs, between I/O and GND",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD per IEC 61000-4-2 (Contact)",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -17,
          "typ": null,
          "max": 17,
          "conditions": "ESD per IEC 61000-4-2 (Contact), printed ±17 kV",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD per IEC 61000-4-2 (Air)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -27,
          "typ": null,
          "max": 27,
          "conditions": "ESD per IEC 61000-4-2 (Air), printed ±27 kV",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "TOPT",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Current (tp = 8/20μs)",
          "symbol": "IPP",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "tp = 8/20μs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Power (8/20μs)",
          "symbol": "PPP",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 48,
          "conditions": "8/20μs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Nominal Reverse Working Voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
    "tt0512tmx"
  ],
  "discovery_pitch": "TT0512TMX (Shenzhen JingYang) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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    "viewers/footprint.html",
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    "tt0512tmx-hero.overlay.json",
    "tt0512tmx-etched.glb"
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  "visibility": {
    "public": true
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}