LM317DCYR-JSM

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm317dcyr-jsm",
  "title": "LM317DCYR-JSM",
  "brief": "JSMSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "lm317dcyr-jsm",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM317DCYR-JSM",
    "manufacturer": "JSMSEMI",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603372914922307584",
    "parts": {
      "symbol": "lm317dcyr-jsm.kicad_sym",
      "footprint": "lm317dcyr-jsm.kicad_mod",
      "model_3d": "lm317dcyr-jsm-hero.glb",
      "model_3d_plain": "lm317dcyr-jsm-etched.glb",
      "model_3d_step": "lm317dcyr-jsm-etched.step",
      "model_3d_step_plain": "lm317dcyr-jsm.step",
      "lbr": "lm317dcyr-jsm.lbr"
    },
    "distributor_links": {
      "lcsc": "C22447114"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T10:03:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ADJUST",
        "type": "input",
        "description": "Adjust pin that sets the output voltage through the R1/R2 divider (VOUT = VREF x (1+R2/R1) + IADJ x R2, VREF 1.20 to 1.30 V), with adjust pin current typically 50 µA and 100 µA max."
      },
      {
        "number": "2",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated output, adjustable from 1.25 V to 37 V and supplying over 1 A, with internal short-circuit and over-temperature protection."
      },
      {
        "number": "3",
        "name": "INPUT",
        "type": "power_in",
        "description": "Unregulated supply input, where the input-to-output voltage difference (Vin-Vout) must not exceed 37 V."
      }
    ],
    "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": "vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet has one generic top-view pin diagram (1=ADJUST, 2=OUTPUT, 3=INPUT) for all four packag; The SOT-223 drawing on page 5 shows a heat-sink tab, but the datasheet does not name or number it. N; The datasheet has no ground pin. The part is a floating three-terminal regulator. Pin types are infe",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 8,
        "cost_usd": 0.4337,
        "at": "2026-10-18T10:00:07"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603372914922307584",
        "pages": 8,
        "sha256": "07e6916234059f3d",
        "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": "lm317dcyr-jsm.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          6.5,
          1.7
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm317dcyr-jsm-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          6.5,
          1.7
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "79aa009c4d6e8ff57123839687074d92bde8b746d8b63a7dd0a7614cdaf5a693",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "JSMSEMI",
      "Package": "SOT-223",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm317dcyr-jsm"
  ],
  "discovery_pitch": "LM317DCYR-JSM (JSMSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm317dcyr-jsm.kicad_sym",
    "lm317dcyr-jsm.kicad_mod",
    "lm317dcyr-jsm.glb",
    "lm317dcyr-jsm.step",
    "lm317dcyr-jsm.lbr",
    "docs/hero.png",
    "docs/lm317dcyr-jsm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm317dcyr-jsm-hero.glb",
    "lm317dcyr-jsm-hero.overlay.json",
    "lm317dcyr-jsm-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}