main
Ray Set visibility: public a03413d 2d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ltv-357t",
  "title": "LTV-357T",
  "brief": "Lite-On Pre-ordered Products, SOP-4-2.54mm. 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",
    "solders - accessories - batteries",
    "ltv-357t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LTV-357T",
    "manufacturer": "Lite-On",
    "package": "SOP-4-2.54mm",
    "pin_count": 4,
    "category": "Solders / Accessories / Batteries",
    "subcategory": "Pre-ordered Products",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0048e00c89c375fa358f50bbfe530be3.pdf",
    "parts": {
      "symbol": "ltv-357t.kicad_sym",
      "footprint": "ltv-357t.kicad_mod",
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      "model_3d_plain": "ltv-357t-etched.glb",
      "model_3d_step": "ltv-357t-etched.step",
      "model_3d_step_plain": "ltv-357t.step",
      "lbr": "ltv-357t.lbr"
    },
    "distributor_links": {
      "lcsc": "C119089",
      "digikey": "160-1339-2-ND",
      "mouser": "859-LTV-357T"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T06:12:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "160-1339-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "859-LTV-357T",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Anode",
        "type": "passive",
        "description": "LED anode of the input side; forward current IF max 50 mA, reverse voltage VR max 6 V, VF typ 1.2 V at IF=20 mA."
      },
      {
        "number": "2",
        "name": "Cathode",
        "type": "passive",
        "description": "LED cathode of the input side; return for the forward current (IF max 50 mA)."
      },
      {
        "number": "3",
        "name": "Emitter",
        "type": "passive",
        "description": "Phototransistor emitter; emitter-collector voltage VECO max 6 V."
      },
      {
        "number": "4",
        "name": "Collector",
        "type": "passive",
        "description": "Phototransistor collector; VCEO max 35 V and collector current IC max 50 mA."
      }
    ],
    "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": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 13,
        "cost_usd": 0.203,
        "at": "2026-10-21T06:09:19"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/0048e00c89c375fa358f50bbfe530be3.pdf",
        "pages": 13,
        "sha256": "2947d9a7b0ff5ad4",
        "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": [
      {
        "file": "ltv-357t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.096,
          4.089,
          2.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f966be0315ede1d7c279b7361961651ad3bf041e8ee08b9486d3e8f3322ca8cf",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ltv-357t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e7df44cb4edea924e30a5f702e3ea70576e8e19e9dd01d516cbf142029decae5",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Lite-On",
      "Package": "SOP-4-2.54mm",
      "Category": "Solders / Accessories / Batteries",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "2947d9a7b0ff5ad4d6262dfd3a8ce73d817051733038d57cb5fec59a1ea52988",
      "rows": [
        {
          "name": "Forward Current",
          "symbol": "IF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reverse Voltage",
          "symbol": "VR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "P",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Junction Temperature (input section)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Collector - Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Emitter - Collector Voltage",
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          "typ": null,
          "max": 6,
          "conditions": "",
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          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "Collector Power Dissipation",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature (output section)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Total Power Dissipation",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 170,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Isolation Voltage",
          "symbol": "Viso",
          "kind": "absolute_maximum",
          "unit": "Vrms",
          "min": null,
          "typ": null,
          "max": 3750,
          "conditions": "AC for 1 minute, R.H. = 40~60%",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": -55,
          "typ": null,
          "max": 110,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Soldering Temperature",
          "symbol": "Tsol",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "For 10 seconds",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": 1.4,
          "conditions": "IF=20mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Reverse Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VR=4V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Terminal Capacitance",
          "symbol": "Ct",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 30,
          "max": 250,
          "conditions": "V=0, f=1KHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Collector Dark Current",
          "symbol": "ICEO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VCE=20V, IF=0",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Breakdown Voltage",
          "symbol": "BVCEO",
          "kind": "electrical",
          "unit": "V",
          "min": 35,
          "typ": null,
          "max": null,
          "conditions": "IC=0.1mA, IF=0",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Collector Breakdown Voltage",
          "symbol": "BVECO",
          "kind": "electrical",
          "unit": "V",
          "min": 6,
          "typ": null,
          "max": null,
          "conditions": "IE=10A, IF=0",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Collector Current",
          "symbol": "IC",
          "kind": "electrical",
          "unit": "mA",
          "min": 2.5,
          "typ": null,
          "max": 30,
          "conditions": "IF=5mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Current Transfer Ratio",
          "symbol": "CTR",
          "kind": "electrical",
          "unit": "%",
          "min": 50,
          "typ": null,
          "max": 600,
          "conditions": "VCE=5V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "IF=20mA, IC=1mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Floating Capacitance",
          "symbol": "Cf",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 0.6,
          "max": 1,
          "conditions": "V=0, f=1MHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Response Time (Rise)",
          "symbol": "tr",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 4,
          "max": 18,
          "conditions": "VCE=2V, IC=2mA, RL=100Ω",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Response Time (Fall)",
          "symbol": "tf",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 3,
          "max": 18,
          "conditions": "VCE=2V, IC=2mA, RL=100Ω",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ltv-357t"
  ],
  "discovery_pitch": "LTV-357T (Lite-On) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
  },
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    "README.md",
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    "ltv-357t.kicad_mod",
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    "ltv-357t.step",
    "ltv-357t.lbr",
    "docs/hero.png",
    "docs/ltv-357t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ltv-357t-hero.glb",
    "ltv-357t-hero.overlay.json",
    "ltv-357t-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}