main
Ray Set visibility: public 841b759 7d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "csl1901dw1",
  "title": "CSL1901DW1",
  "brief": "ROHM Semicon LED Indication - Discrete, 0603. 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",
    "optoelectronics",
    "csl1901dw1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CSL1901DW1",
    "manufacturer": "ROHM Semicon",
    "package": "0603",
    "pin_count": 2,
    "category": "Optoelectronics",
    "subcategory": "LED Indication - Discrete",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602553409879236608",
    "parts": {
      "symbol": "csl1901dw1.kicad_sym",
      "footprint": "csl1901dw1.kicad_mod",
      "model_3d": "csl1901dw1-hero.glb",
      "model_3d_plain": "csl1901dw1-etched.glb",
      "model_3d_step": "csl1901dw1-etched.step",
      "model_3d_step_plain": "csl1901dw1.step",
      "lbr": "csl1901dw1.lbr"
    },
    "distributor_links": {
      "lcsc": "C6157927"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T11:22:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode electrode, marked by the cathode index on the left side of the bottom view in Figure 1; reverse voltage limit VR is 5V."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode electrode on the right side of the bottom view in Figure 1; forward current IF is 20mA max (100mA peak at duty 1/10, 1kHz), and VF is 1.7 to 2.2V (1.8V typ) at IF=2mA."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet prints no pin numbers for this two-terminal chip LED. Numbers 1 (cathode) and 2 (anode",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 18,
        "cost_usd": 0.3245,
        "at": "2026-10-18T11:20:53"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602553409879236608",
        "pages": 18,
        "sha256": "fde61fa97af29f8f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "csl1901dw1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.6,
          0.8,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "98343205ec260ec165026ba2d44329a23096779ac36c553ea84aa7b370242e6d",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "csl1901dw1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.6,
          0.8,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "59faea9d897e2475f316ee78aa53f6a96d61da272f529a671184220c26561d51",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ROHM Semicon",
      "Package": "0603",
      "Category": "Optoelectronics",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "fde61fa97af29f8f4ca7af28a035cc9ec53886c0d44c6e49089007ed13ed32c9",
      "rows": [
        {
          "name": "Forward Current",
          "symbol": "IF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "Ta=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Forward Current",
          "symbol": "IFP",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Ta=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Reverse Voltage",
          "symbol": "VR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "Ta=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 44,
          "conditions": "Ta=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operation Temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.7,
          "typ": 1.8,
          "max": 2.2,
          "conditions": "IF=2mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Luminous Intensity",
          "symbol": "IV",
          "kind": "electrical",
          "unit": "mcd",
          "min": 6.3,
          "typ": 9.4,
          "max": 25,
          "conditions": "IF=2mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Reverse Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VR=5V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Dominant Wave Length",
          "symbol": "λD",
          "kind": "electrical",
          "unit": "nm",
          "min": 602,
          "typ": 605,
          "max": 608,
          "conditions": "IF=2mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance (Junction/Solder Point)",
          "symbol": "Rθj-s",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 410,
          "max": null,
          "conditions": "Evaluation board: glass epoxy FR4 30x10mm, t=0.8mm; Cu pad 4.0x4.0mm (cathode), t=0.035mm",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance (Junction/Ambient)",
          "symbol": "Rθj-a",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 650,
          "max": null,
          "conditions": "Evaluation board: glass epoxy FR4 30x10mm, t=0.8mm; Cu pad 4.0x4.0mm (cathode), t=0.035mm",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TjMax",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 14,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "csl1901dw1"
  ],
  "discovery_pitch": "CSL1901DW1 (ROHM Semicon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "csl1901dw1.kicad_sym",
    "csl1901dw1.kicad_mod",
    "csl1901dw1.glb",
    "csl1901dw1.step",
    "csl1901dw1.lbr",
    "docs/hero.png",
    "docs/csl1901dw1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "csl1901dw1-hero.glb",
    "csl1901dw1-hero.overlay.json",
    "csl1901dw1-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}