LT219-3

{
  "slug": "lt219-3",
  "version": "0.1.0",
  "type": "component",
  "description": "Letex Solid State Relays (MOS Output), SOP-4-2.54mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "optoisolators",
    "lt219-3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lt219-3.kicad_sym",
    "lt219-3.kicad_mod",
    "lt219-3.glb",
    "lt219-3.step",
    "lt219-3.lbr",
    "docs/hero.png",
    "docs/lt219-3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lt219-3-hero.glb",
    "lt219-3-hero.overlay.json",
    "lt219-3-etched.glb"
  ],
  "component": {
    "mpn": "LT219-3",
    "manufacturer": "Letex",
    "package": "SOP-4-2.54mm",
    "pin_count": 4,
    "category": "Optoisolators",
    "subcategory": "Solid State Relays (MOS Output)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588903012777123840",
    "parts": {
      "symbol": "lt219-3.kicad_sym",
      "footprint": "lt219-3.kicad_mod",
      "model_3d": "lt219-3-hero.glb",
      "model_3d_plain": "lt219-3-etched.glb",
      "model_3d_step": "lt219-3-etched.step",
      "model_3d_step_plain": "lt219-3.step",
      "lbr": "lt219-3.lbr"
    },
    "distributor_links": {
      "lcsc": "C2691603"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T10:34:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LED Anode",
        "type": "input",
        "description": "Anode of the GaAlAs input infrared LED; the datasheet limits continuous LED current to 50 mA and LED reverse voltage to 5 V (absolute maximum ratings, page 2)."
      },
      {
        "number": "2",
        "name": "LED Cathode",
        "type": "input",
        "description": "Cathode of the GaAlAs input infrared LED; the same absolute maximum limits apply, with continuous LED current of 50 mA and LED reverse voltage of 5 V (page 2)."
      },
      {
        "number": "3",
        "name": "Drain (MOS FET)",
        "type": "passive",
        "description": "One drain of the output DMOS-FET switch; load voltage is rated 60 V (AC peak or DC) and load current 800 mA (absolute maximum ratings, page 2)."
      },
      {
        "number": "4",
        "name": "Drain (MOS FET)",
        "type": "passive",
        "description": "The other drain of the output DMOS-FET switch, forming the 1-Form A contact with pin 3; load voltage is rated 60 V (AC peak or DC) and load current 800 mA (page 2)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet calls the package a 4-pin SOP and gives body dimensions 4.4×4.3×2.0 mm, but the text d; The datasheet says a Tape & Reel version is available and includes taping specifications for surface; Pin types are not stated in the datasheet. They were assigned from KiCad ERC conventions: LED anode "
        ],
        "pages_sent": 4,
        "cost_usd": 0.0209,
        "at": "2026-10-16T10:34:14"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588903012777123840",
        "pages": 4,
        "sha256": "6968bf4a29013dbd",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "lt219-3.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.089,
          2.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f966be0315ede1d7c279b7361961651ad3bf041e8ee08b9486d3e8f3322ca8cf",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lt219-3-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
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        "footprint_binding": "identity",
        "sha256": "9c53339dc712a86adfec0e612499b69f7ccff16394d98fa80bd06ee526c510ed",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}