LTV-3120

{
  "slug": "ltv-3120",
  "version": "0.1.0",
  "type": "component",
  "description": "Lite On Logic Output Optoisolators, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "optoisolators",
    "ltv-3120",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ltv-3120.kicad_sym",
    "ltv-3120.kicad_mod",
    "ltv-3120.glb",
    "ltv-3120.step",
    "ltv-3120.lbr",
    "docs/hero.png",
    "docs/ltv-3120-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ltv-3120-hero.glb",
    "ltv-3120-hero.overlay.json",
    "ltv-3120-etched.glb"
  ],
  "component": {
    "mpn": "LTV-3120",
    "manufacturer": "Lite On",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Optoisolators",
    "subcategory": "Logic Output Optoisolators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226401304608768",
    "parts": {
      "symbol": "ltv-3120.kicad_sym",
      "footprint": "ltv-3120.kicad_mod",
      "model_3d": "ltv-3120-hero.glb",
      "model_3d_plain": "ltv-3120-etched.glb",
      "model_3d_step": "ltv-3120-etched.step",
      "model_3d_step_plain": "ltv-3120.step",
      "lbr": "ltv-3120.lbr"
    },
    "distributor_links": {
      "lcsc": "C2961006",
      "digikey": "LTV-3120-ND",
      "mouser": "859-LTV-3120"
    },
    "distributor_check": {
      "checked_at": "2026-10-15T07:15:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LTV-3120-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "859-LTV-3120",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; the functional diagram marks this pin NC, and the datasheet gives no function for it."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "AlGaAs LED anode on the input side; average forward input current is limited to 20 mA and reverse input voltage to 5 V (absolute maximum ratings)."
      },
      {
        "number": "3",
        "name": "Cathode",
        "type": "passive",
        "description": "AlGaAs LED cathode on the input side; LED on-current is specified at 7 to 16 mA (recommended operating condition), with VF(OFF) at 0 to 0.8 V."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; the functional diagram marks this pin NC, and the datasheet gives no function for it."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Output-side ground (VEE reference); a 0.1 µF ceramic bypass capacitor must be connected between pin 5 and pin 8, placed within 1 cm of each pin."
      },
      {
        "number": "6",
        "name": "Vo",
        "type": "output",
        "description": "Totem-pole gate drive output; rated for ±3.0 A peak output current and VO(PEAK) of 35 V maximum, with rail-to-rail output swing."
      },
      {
        "number": "7",
        "name": "Vo",
        "type": "output",
        "description": "Second output pin, internally tied to pin 6; rated for ±3.0 A peak output current and VO(PEAK) of 35 V maximum."
      },
      {
        "number": "8",
        "name": "Vcc",
        "type": "power_in",
        "description": "Positive output-stage supply; recommended operating range is 15 to 30 V, with total supply (VCC-VEE) absolute maximum of 35 V, and a 0.1 µF bypass capacitor to pin 5 is required."
      }
    ],
    "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 functional diagram text lists labels (NC, Anode, Cathode, NC, Vcc, Vo, Vo, GND) without explicit; The 'Shield' label on the functional diagram is not a numbered pin and was excluded from the pin lis; The datasheet says the no-suffix LTV-3120 is a Dual-in-Line package and does not use the term 'DIP-8",
          "1/8 pins cited to the wrong page (name found elsewhere): ['5:GND@p6']"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0573,
        "at": "2026-10-15T07:15:25"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226401304608768",
        "pages": 16,
        "sha256": "b4e08be05aa4f278",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ltv-3120.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ltv-3120-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8579738ce8b4cd592f5fd0528aac787c4a5eadd963171e2d077e1767e61b3899",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}