DG449DS-T1-E3

{
  "schema_version": 1,
  "type": "component",
  "slug": "dg449ds-t1-e3",
  "title": "DG449DS-T1-E3",
  "brief": "Vishay Analog Switches, Multiplexers, SOT-23-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "dg449ds-t1-e3"
  ],
  "component": {
    "mpn": "DG449DS-T1-E3",
    "manufacturer": "Vishay",
    "package": "SOT-23-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/afd8c87374434225abf75f2c5ced2d80.pdf",
    "parts": {
      "symbol": "dg449ds-t1-e3.kicad_sym",
      "footprint": "dg449ds-t1-e3.kicad_mod",
      "model_3d": "dg449ds-t1-e3-etched.glb",
      "model_3d_plain": "dg449ds-t1-e3.glb",
      "model_3d_step": "dg449ds-t1-e3-etched.step",
      "model_3d_step_plain": "dg449ds-t1-e3.step",
      "lbr": "dg449ds-t1-e3.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "COM",
        "type": "passive",
        "description": "Switch common terminal. Connects to either NO or NC depending on IN logic level. Rail-to-rail analog signal handling within the (V-, V+) range."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "passive",
        "description": "Normally-closed switch terminal. Connected to COM when IN = logic 0 (≤ 0.8 V); disconnected when IN = logic 1 (≥ 2.4 V). 38 Ω typical on-resistance."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / logic reference. Maximum 25 V referenced to V-."
      },
      {
        "number": "4",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply input. +7 V to +36 V single-supply, or +4.5 V to +20 V dual-supply. Maximum 44 V referenced to V-."
      },
      {
        "number": "5",
        "name": "N.C.",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to a convenient node; do not use for signal routing."
      },
      {
        "number": "6",
        "name": "IN",
        "type": "input",
        "description": "Digital logic control input, TTL/CMOS compatible. VIL ≤ 0.8 V selects NC path (COM↔NC); VIH ≥ 2.4 V selects NO path (COM↔NO). Input current ±1 µA max."
      },
      {
        "number": "7",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply input. Tie to GND for single-supply operation (+7 V to +36 V on V+), or -4.5 V to -20 V for dual-supply operation."
      },
      {
        "number": "8",
        "name": "NO",
        "type": "passive",
        "description": "Normally-open switch terminal. Connected to COM when IN = logic 1 (≥ 2.4 V); disconnected when IN = logic 0 (≤ 0.8 V). 38 Ω typical on-resistance."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/afd8c87374434225abf75f2c5ced2d80.pdf",
        "pages": 10,
        "sha256": "ae0e332c0ed79827",
        "source_tier": "mfr"
      },
      "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": "dg449ds-t1-e3.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b9dc5b435d49868df7491668d5322debfe5d699dbb41c2ad93a41518ec9b5007",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dg449ds-t1-e3-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": "6306c082a9d0a844011c433526ce18353428c0a4b552bf4c48592aeff50c1914",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Vishay",
      "Package": "SOT-23-8",
      "Category": "Interface",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "dg449ds-t1-e3"
  ],
  "discovery_pitch": "DG449DS-T1-E3 (Vishay) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dg449ds-t1-e3.kicad_sym",
    "dg449ds-t1-e3.kicad_mod",
    "dg449ds-t1-e3.glb",
    "dg449ds-t1-e3.step",
    "dg449ds-t1-e3-etched.step",
    "dg449ds-t1-e3.lbr",
    "docs/hero.png",
    "docs/dg449ds-t1-e3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "DG449DS-T1-E3",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T19:45:09.165Z"
}