main
Ray cos2171sra: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body… 9e207b0 1d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "cos2171sra",
  "title": "COS2171SRA",
  "brief": "COSINE Operational Amplifier, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "cos2171sra"
  ],
  "component": {
    "mpn": "COS2171SRA",
    "manufacturer": "COSINE",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2306281528_COSINE-COS2171SRA_C7434391.pdf",
    "parts": {
      "symbol": "cos2171sra.kicad_sym",
      "footprint": "cos2171sra.kicad_mod",
      "model_3d": "cos2171sra-etched.glb",
      "model_3d_plain": "cos2171sra.glb",
      "model_3d_step": "cos2171sra-etched.step",
      "model_3d_step_plain": "cos2171sra.step",
      "lbr": "cos2171sra.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OUT1",
        "type": "output",
        "description": "Output of amplifier A. Output voltage range extends to within ~500mV of each supply rail (RRIO)."
      },
      {
        "number": "2",
        "name": "-IN1",
        "type": "input",
        "description": "Inverting input of amplifier A. Voltage range from -Vs - 0.3V to +Vs + 0.3V; inputs are diode-clamped to the supply rails."
      },
      {
        "number": "3",
        "name": "+IN1",
        "type": "input",
        "description": "Non-inverting input of amplifier A. Voltage range from -Vs - 0.3V to +Vs + 0.3V; rail-to-rail input capability."
      },
      {
        "number": "4",
        "name": "-Vs",
        "type": "power_in",
        "description": "Negative power supply or ground. For dual-supply operation ±2.25V to ±20V; bypass with 0.1µF ceramic as close to the pin as possible."
      },
      {
        "number": "5",
        "name": "+IN2",
        "type": "input",
        "description": "Non-inverting input of amplifier B. Voltage range from -Vs - 0.3V to +Vs + 0.3V; rail-to-rail input capability."
      },
      {
        "number": "6",
        "name": "-IN2",
        "type": "input",
        "description": "Inverting input of amplifier B. Voltage range from -Vs - 0.3V to +Vs + 0.3V; inputs are diode-clamped to the supply rails."
      },
      {
        "number": "7",
        "name": "OUT2",
        "type": "output",
        "description": "Output of amplifier B. Output voltage range extends to within ~500mV of each supply rail (RRIO)."
      },
      {
        "number": "8",
        "name": "+Vs",
        "type": "power_in",
        "description": "Positive power supply, 4.5V to 40V (single-supply) or +2.25V to +20V (dual-supply). Bypass with 0.1µF ceramic capacitor as close to the pin as possible; a 2.2µF tantalum can be added for better performance."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2306281528_COSINE-COS2171SRA_C7434391.pdf",
        "pages": 10,
        "sha256": "60b789e21a6df5f6",
        "source_tier": "lcsc"
      },
      "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": "cos2171sra.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cos2171sra-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6ff54eef203a9f9b63f9551cdd516deb93d657310e6c3f7ee3c22ebcd34c6404",
        "checked": "2026-11-03",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "COSINE",
      "Package": "SOP-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cos2171sra"
  ],
  "discovery_pitch": "COS2171SRA (COSINE) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cos2171sra.kicad_sym",
    "cos2171sra.kicad_mod",
    "cos2171sra.glb",
    "cos2171sra.step",
    "cos2171sra-etched.step",
    "cos2171sra.lbr",
    "docs/hero.png",
    "docs/cos2171sra-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "COS2171SRA",
      "kind": "packaging"
    },
    {
      "mpn": "COS2171SRASRB",
      "kind": "packaging"
    },
    {
      "mpn": "COS2171SRASRC",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T19:26:20.893Z"
}