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Ray rs8521xf: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body wi… 2c64acd
{
  "schema_version": 1,
  "type": "component",
  "slug": "rs8521xf",
  "title": "RS8521XF",
  "brief": "Jiangsu RUNIC Tech 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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  "component": {
    "mpn": "RS8521XF",
    "manufacturer": "Jiangsu RUNIC Tech",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Op-amp/Cmp",
    "subcategory": "Precision OpAmps",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/7b7a46977225f836d6c7b2c3457adb5e.pdf",
    "parts": {
      "symbol": "rs8521xf.kicad_sym",
      "footprint": "rs8521xf.kicad_mod",
      "model_3d": "rs8521xf-etched.glb",
      "model_3d_plain": "rs8521xf.glb",
      "model_3d_step": "rs8521xf-etched.step",
      "model_3d_step_plain": "rs8521xf.step",
      "lbr": "rs8521xf.lbr"
    },
    "distributor_links": {
      "lcsc": "C237003"
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Amplifier output. Rail-to-rail swing capable, typically within a few mV of either supply rail with a 10 kOhm load. Short-circuit current is approximately 25 mA typical."
      },
      {
        "number": "2",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply rail. Ground in single-supply operation, or the negative rail for dual supplies. Absolute maximum V+ to V- is 7.0 V; operating range gives 2.5 V to 5.5 V total supply."
      },
      {
        "number": "3",
        "name": "+IN",
        "type": "input",
        "description": "Non-inverting input. Rail-to-rail common-mode range from (V-)-0.1 V to (V+)+0.1 V. Input bias current is 10 pA typical (CMOS input). Input terminals are internally diode-clamped to the supplies."
      },
      {
        "number": "4",
        "name": "-IN",
        "type": "input",
        "description": "Inverting input. Rail-to-rail common-mode range from (V-)-0.1 V to (V+)+0.1 V. Input bias current is 10 pA typical (CMOS input). Input terminals are internally diode-clamped to the supplies."
      },
      {
        "number": "5",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply rail. Operating range +2.5 V to +5.5 V (absolute maximum 7.0 V V+ to V-). Bypass with a 0.1 uF capacitor placed close to the pin per layout guidelines."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/7b7a46977225f836d6c7b2c3457adb5e.pdf",
        "pages": 14,
        "sha256": "15342dc49863196c",
        "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": "rs8521xf.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": "rs8521xf-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": "22e7512a81f1d04d80bed055d9d61b7223d09156ed33248e700e2d1300fb3b55",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Jiangsu RUNIC Tech",
      "Package": "SOT-23-5",
      "Category": "Op-amp/Cmp",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "rs8521xf"
  ],
  "discovery_pitch": "RS8521XF (Jiangsu RUNIC Tech) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "rs8521xf.kicad_sym",
    "rs8521xf.kicad_mod",
    "rs8521xf.glb",
    "rs8521xf.step",
    "rs8521xf-etched.step",
    "rs8521xf.lbr",
    "docs/hero.png",
    "docs/rs8521xf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "RS8521XF",
      "kind": "packaging"
    },
    {
      "mpn": "RS8521XFXK",
      "kind": "packaging"
    },
    {
      "mpn": "RS8521XFXM",
      "kind": "packaging"
    },
    {
      "mpn": "RS8522XK",
      "kind": "unknown"
    },
    {
      "mpn": "RS8522XM",
      "kind": "unknown"
    },
    {
      "mpn": "RS8523XN",
      "kind": "unknown"
    },
    {
      "mpn": "RS8524XP",
      "kind": "unknown"
    },
    {
      "mpn": "RS8524XQ",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-25T05:10:19.974Z"
}