main
Ray lm124dr: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) c81ce94 21h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm124dr",
  "title": "LM124DR",
  "brief": "UMW Operational Amplifier, SOP-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "lm124dr"
  ],
  "component": {
    "mpn": "LM124DR",
    "manufacturer": "UMW",
    "package": "SOP-14",
    "pin_count": 14,
    "category": "Op-amp/Cmp",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2311091737_UMW-Youtai-Semiconductor-Co---Ltd--LM124DR_C2874964.pdf",
    "parts": {
      "symbol": "lm124dr.kicad_sym",
      "footprint": "lm124dr.kicad_mod",
      "model_3d": "lm124dr-etched.glb",
      "model_3d_plain": "lm124dr.glb",
      "model_3d_step": "lm124dr-etched.step",
      "model_3d_step_plain": "lm124dr.step",
      "lbr": "lm124dr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "1OUT",
        "type": "output",
        "description": "Output of op-amp 1. Push-pull output stage capable of driving loads to within ~1.5V of VCC (high-level) and near GND (low-level, ~5mV typical with RL≤10kΩ)."
      },
      {
        "number": "2",
        "name": "1IN-",
        "type": "input",
        "description": "Inverting (negative) input of op-amp 1. Input common-mode range includes ground (0 to VCC-1.5V typical). Input bias current typ -20 nA."
      },
      {
        "number": "3",
        "name": "1IN+",
        "type": "input",
        "description": "Non-inverting (positive) input of op-amp 1. Input common-mode range includes ground (0 to VCC-1.5V typical)."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage. Single-supply operation: 3V to 32V (26V max for LM2902). Dual-supply operation: ±1.5V to ±16V (±13V for LM2902). Typical quiescent current 0.8 mA."
      },
      {
        "number": "5",
        "name": "2IN+",
        "type": "input",
        "description": "Non-inverting (positive) input of op-amp 2. Input common-mode range includes ground."
      },
      {
        "number": "6",
        "name": "2IN-",
        "type": "input",
        "description": "Inverting (negative) input of op-amp 2. Input common-mode range includes ground."
      },
      {
        "number": "7",
        "name": "2OUT",
        "type": "output",
        "description": "Output of op-amp 2. Push-pull output stage; short-circuit duration to ground is unlimited (TA=25°C, VCC≤15V)."
      },
      {
        "number": "8",
        "name": "3OUT",
        "type": "output",
        "description": "Output of op-amp 3."
      },
      {
        "number": "9",
        "name": "3IN-",
        "type": "input",
        "description": "Inverting (negative) input of op-amp 3."
      },
      {
        "number": "10",
        "name": "3IN+",
        "type": "input",
        "description": "Non-inverting (positive) input of op-amp 3."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / negative supply reference. All voltages (except differential and IOS test) are with respect to this network GND."
      },
      {
        "number": "12",
        "name": "4IN+",
        "type": "input",
        "description": "Non-inverting (positive) input of op-amp 4."
      },
      {
        "number": "13",
        "name": "4IN-",
        "type": "input",
        "description": "Inverting (negative) input of op-amp 4."
      },
      {
        "number": "14",
        "name": "4OUT",
        "type": "output",
        "description": "Output of op-amp 4."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2311091737_UMW-Youtai-Semiconductor-Co---Ltd--LM124DR_C2874964.pdf",
        "pages": 13,
        "sha256": "788d49747ca05cb8",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -3.81
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-14_3.9x8.7mm_P1.27mm@sha256:a885b619b22880c9",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "lm124dr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm124dr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "64238f845a2d9769cf7e23bb572dce550981d17d0b5fa5b857155a0200fe0047",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "SOP-14",
      "Category": "Op-amp/Cmp",
      "Pins": "14"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm124dr"
  ],
  "discovery_pitch": "LM124DR (UMW) 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",
    "lm124dr.kicad_sym",
    "lm124dr.kicad_mod",
    "lm124dr.glb",
    "lm124dr.step",
    "lm124dr-etched.step",
    "lm124dr.lbr",
    "docs/hero.png",
    "docs/lm124dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LM124DR",
      "kind": "packaging"
    },
    {
      "mpn": "LM124DRD",
      "kind": "packaging"
    },
    {
      "mpn": "LM124DRN",
      "kind": "packaging"
    },
    {
      "mpn": "LM124DRPWR",
      "kind": "packaging"
    },
    {
      "mpn": "LM124DRPW",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T00:03:04.138Z"
}