main
Ray Set visibility: public 148b8de 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "dt1042-02sr-7",
  "title": "DT1042-02SR-7",
  "brief": "Diodes Incorporated 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",
    "dt1042-02sr-7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DT1042-02SR-7",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-143",
    "pin_count": 4,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588937938087890944",
    "parts": {
      "symbol": "dt1042-02sr-7.kicad_sym",
      "footprint": "dt1042-02sr-7.kicad_mod",
      "model_3d": "dt1042-02sr-7-hero.glb",
      "model_3d_plain": "dt1042-02sr-7-etched.glb",
      "model_3d_step": "dt1042-02sr-7-etched.step",
      "model_3d_step_plain": "dt1042-02sr-7.step",
      "lbr": "dt1042-02sr-7.lbr"
    },
    "distributor_links": {
      "lcsc": "C1977620",
      "digikey": "31-DT1042-02SR-7TR-ND",
      "mouser": "621-DT1042-02SR-7"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T06:48:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "31-DT1042-02SR-7TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "621-DT1042-02SR-7",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (VSS) reference pin; the I/O clamp diodes and VCC-to-VSS TVS return to it, with ESD rated to ±16kV contact and ±18kV air per IEC 61000-4-2."
      },
      {
        "number": "2",
        "name": "I/O1",
        "type": "passive",
        "description": "Protected channel 1 I/O line clamped to VSS, with typical 0.65pF capacitance (0.8pF max), 0.5µA max leakage at 5V and ±6A peak pulse current (8/20µs)."
      },
      {
        "number": "3",
        "name": "I/O2",
        "type": "passive",
        "description": "Protected channel 2 I/O line clamped to VSS, with typical 0.65pF capacitance (0.8pF max), 0.5µA max leakage at 5V and ±6A peak pulse current (8/20µs)."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive reference rail for the steering diodes, with 5.0V max reverse working voltage and 6.2V min breakdown voltage at 1mA to VSS."
      }
    ],
    "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 gives no printed pin-number table for SOT-143. The pin numbering was taken from the De; The schematic labels pin 4 as GND while the electrical tables use VSS; the datasheet does not state "
        ],
        "pages_sent": 5,
        "cost_usd": 0.0862,
        "at": "2026-10-18T06:46:54"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588937938087890944",
        "pages": 5,
        "sha256": "6c02d6aec33bdcf4",
        "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"
    },
    "models_3d": [
      {
        "file": "dt1042-02sr-7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.3,
          2.9,
          1.1
        ],
        "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": "dt1042-02sr-7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "485fa9d1556bb0d76cdd18d8ee25ea343f1b110381bf0bb455d6d07a7c95b927",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-143",
      "Category": "Circuit Protection",
      "Pins": "4"
    },
    "appearance": {
      "contacts": {
        "quote": " Terminals: Matte Tin Finish Annealed over Alloy 42 Leadframe (Lead-free Plating). Solderable per MIL-STD-202, Method 208",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "6c02d6aec33bdcf4ed53eabfd551a179caed45c3bbb1d2dfaff02ee3fe29a037"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6c02d6aec33bdcf4ed53eabfd551a179caed45c3bbb1d2dfaff02ee3fe29a037",
      "rows": [
        {
          "name": "Peak Pulse Current, Per IEC61000-4-5",
          "symbol": "IPP_I/O",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": -6,
          "typ": null,
          "max": 6,
          "conditions": "I/O to VSS, 8/20μs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Power, Per IEC61000-4-5",
          "symbol": "PPP_I/O",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 55,
          "conditions": "I/O to VSS, 8/20μs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Voltage (DC)",
          "symbol": "VDC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5.5,
          "conditions": "I/O to VSS",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Protection—Contact Discharge, Per IEC61000-4-2",
          "symbol": "VESD_I/O",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -16,
          "typ": null,
          "max": 16,
          "conditions": "I/O to VSS",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Protection—Air Discharge, Per IEC61000-4-2",
          "symbol": "VESD_I/O",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -18,
          "typ": null,
          "max": 18,
          "conditions": "I/O to VSS",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating and Storage Temperature Range",
          "symbol": "TJ, TSTG",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Working Voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VCC to VSS",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Current (VCC to VSS)",
          "symbol": "IR (VCC to VSS)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VR = VRWM = 5V, VCC to VSS",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Current (I/O to VSS)",
          "symbol": "IR (I/O to VSS)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "VR = VRWM = 5V, Any I/O to VSS",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Breakdown Voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 6.2,
          "typ": null,
          "max": null,
          "conditions": "IR = 1mA, VCC to VSS",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward Clamping Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": -1,
          "typ": -0.8,
          "max": null,
          "conditions": "IF = -15mA, VCC to VSS",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Clamping Voltage (I/O)",
          "symbol": "VC_I/O",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 7.7,
          "max": 9,
          "conditions": "IPP = 6A, I/O to VSS, 8/20μs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Channel Input Capacitance",
          "symbol": "CI/O to Vss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 0.65,
          "max": 0.8,
          "conditions": "VR = 2.5V, VCC = 5V, f = 1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation Typical",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": 350,
          "max": null,
          "conditions": "Typical (Note 5)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction to Ambient Typical",
          "symbol": "RϴJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 360,
          "max": null,
          "conditions": "Typical (Note 5)",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "breadcrumbs",
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  ],
  "discovery_triggers": [
    "dt1042-02sr-7"
  ],
  "discovery_pitch": "DT1042-02SR-7 (Diodes Incorporated) 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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    "dt1042-02sr-7.lbr",
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    "viewers/footprint.html",
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    "dt1042-02sr-7-etched.glb"
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  "visibility": {
    "public": true
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}