SCJA1117B-1.8-A

{
  "slug": "scja1117b-1-8-a",
  "version": "0.1.0",
  "type": "component",
  "description": "Changjing Linear Voltage Regulators (LDO), SOT-89-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "scja1117b-1.8-a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "scja1117b-1-8-a.kicad_sym",
    "scja1117b-1-8-a.kicad_mod",
    "scja1117b-1-8-a.glb",
    "scja1117b-1-8-a.step",
    "scja1117b-1-8-a.lbr",
    "docs/hero.png",
    "docs/scja1117b-1-8-a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "scja1117b-1-8-a-hero.glb",
    "scja1117b-1-8-a-hero.overlay.json",
    "scja1117b-1-8-a-etched.glb"
  ],
  "component": {
    "mpn": "SCJA1117B-1.8-A",
    "manufacturer": "Changjing",
    "package": "SOT-89-3L",
    "pin_count": 3,
    "category": "Power Supply Chip",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ed2eac4d6eb3200bf0ae712605ed4ee2.pdf",
    "parts": {
      "symbol": "scja1117b-1-8-a.kicad_sym",
      "footprint": "scja1117b-1-8-a.kicad_mod",
      "model_3d": "scja1117b-1-8-a-hero.glb",
      "model_3d_plain": "scja1117b-1-8-a-etched.glb",
      "model_3d_step": "scja1117b-1-8-a-etched.step",
      "model_3d_step_plain": "scja1117b-1-8-a.step",
      "lbr": "scja1117b-1-8-a.lbr"
    },
    "distributor_links": {
      "lcsc": "C2829328"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T06:37:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ADJ/GND",
        "type": "power_in",
        "description": "Adjust pin on the ADJ version (reference for the R1/R2 divider setting VOUT = 1.25×(1+R2/R1)+IAdj×R2) and ground on fixed-voltage versions such as the 1.8V SCJA1117B-1.8-A."
      },
      {
        "number": "2",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated output (1.8V fixed for this part, ±2% accuracy) that needs a minimum 10µF tantalum capacitor for stability and transient response, with up to 1A load current."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Unregulated input voltage, recommended maximum 15V (absolute maximum 20V), with a 10µF bypass capacitor recommended."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 1 is printed as 'ADJ/GND' (ADJ on the adjustable version, GND on fixed versions). For the fixed "
        ],
        "pages_sent": 10,
        "cost_usd": 0.0658,
        "at": "2026-10-23T06:36:36"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ed2eac4d6eb3200bf0ae712605ed4ee2.pdf",
        "pages": 10,
        "sha256": "9e29bb0e82977bca",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "scja1117b-1-8-a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.5,
          1.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "scja1117b-1-8-a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.5,
          1.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "4bc193860cc7b9ed0f2fc227174d85738bff08e05f777c4ade567d41f32faf7b",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}