main
Ray gs8551-tr: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body w… b638127
{
  "schema_version": 1,
  "type": "component",
  "slug": "gs8551-tr",
  "title": "GS8551-TR",
  "brief": "Gainsil Precision OpAmps, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "op-amp-cmp",
    "gs8551-tr"
  ],
  "component": {
    "mpn": "GS8551-TR",
    "manufacturer": "Gainsil",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Op-amp/Cmp",
    "subcategory": "Precision OpAmps",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/df40ea11de3c938899e22ba970ddc2ff.pdf",
    "parts": {
      "symbol": "gs8551-tr.kicad_sym",
      "footprint": "gs8551-tr.kicad_mod",
      "model_3d": "gs8551-tr-etched.glb",
      "model_3d_plain": "gs8551-tr.glb",
      "model_3d_step": "gs8551-tr-etched.step",
      "model_3d_step_plain": "gs8551-tr.step",
      "lbr": "gs8551-tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C157715"
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Amplifier output. Rail-to-rail output swings within ~5mV of the supply rails under light loads (>100kΩ) and within ~60mV under 10kΩ loads. Short-circuit limited to ~60mA."
      },
      {
        "number": "2",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative supply / ground. Connect to GND for single-supply operation (1.8V to 5.5V), or to the negative rail for dual-supply operation (±0.9V to ±2.75V). Bypass with a 0.1µF ceramic capacitor to ground in dual-supply mode."
      },
      {
        "number": "3",
        "name": "IN+",
        "type": "input",
        "description": "Non-inverting amplifier input. Rail-to-rail common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). Input bias current is 20pA typical; absolute input voltage must remain between VSS-0.5V and VDD+0.5V."
      },
      {
        "number": "4",
        "name": "IN-",
        "type": "input",
        "description": "Inverting amplifier input. Rail-to-rail common-mode range extends 100mV beyond the supply rails. Input bias current is 20pA typical; absolute input voltage must remain between VSS-0.5V and VDD+0.5V."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply. 1.8V to 5.5V single-supply, or up to +2.75V in dual-supply operation. Absolute max VDD-to-VSS is 7.5V. Bypass with a 0.1µF ceramic capacitor close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/df40ea11de3c938899e22ba970ddc2ff.pdf",
        "pages": 14,
        "sha256": "dc9b0f2b6cedff03",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "gs8551-tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gs8551-tr-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": "48b07e5d0cffd91a311fdd090bf983f4ed5127099ae25f6c3212c8c7215b5377",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Gainsil",
      "Package": "SOT-23-5",
      "Category": "Op-amp/Cmp",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "gs8551-tr"
  ],
  "discovery_pitch": "GS8551-TR (Gainsil) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gs8551-tr.kicad_sym",
    "gs8551-tr.kicad_mod",
    "gs8551-tr.glb",
    "gs8551-tr.step",
    "gs8551-tr-etched.step",
    "gs8551-tr.lbr",
    "docs/hero.png",
    "docs/gs8551-tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "GS8551-TR",
      "kind": "packaging"
    },
    {
      "mpn": "GS8551-SR",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-24T21:18:49.345Z"
}