LTV-3120

{
  "schema_version": 1,
  "type": "component",
  "slug": "ltv-3120",
  "title": "LTV-3120",
  "brief": "Lite On Logic Output Optoisolators, DIP-8. 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",
    "optoisolators",
    "ltv-3120",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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": {
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        "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": {
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        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-15",
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  "metadata": {
    "specs": {
      "Manufacturer": "Lite On",
      "Package": "DIP-8",
      "Category": "Optoisolators",
      "Pins": "8"
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    "characteristics": {
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          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": 1.37,
          "max": 1.8,
          "conditions": "IF = 10mA",
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        {
          "name": "Input Reverse Voltage",
          "symbol": "BVR",
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          "typ": null,
          "max": null,
          "conditions": "IR = 10μA",
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        {
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        {
          "name": "High Level Supply Current",
          "symbol": "ICCH",
          "kind": "electrical",
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        {
          "name": "Low Level Supply Current",
          "symbol": "ICCL",
          "kind": "electrical",
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        {
          "name": "High level output current (VO = VCC – 4 V)",
          "symbol": "IOH",
          "kind": "electrical",
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        },
        {
          "name": "Low level output current (VO = VEE + 1.5 V)",
          "symbol": "IOL",
          "kind": "electrical",
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        {
          "name": "Low level output current (VO = VEE + 4 V)",
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          "min": 3,
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          "max": null,
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        },
        {
          "name": "UVLO Threshold (rising)",
          "symbol": "VUVLO+",
          "kind": "electrical",
          "unit": "V",
          "min": 11,
          "typ": 12.7,
          "max": 13.5,
          "conditions": "VO > 5V, IF = 10 mA",
          "source_page": 7,
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        {
          "name": "UVLO Threshold (falling)",
          "symbol": "VUVLO-",
          "kind": "electrical",
          "unit": "V",
          "min": 9.5,
          "typ": 11.2,
          "max": 12,
          "conditions": "VO < 5V, IF = 10 mA",
          "source_page": 7,
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        {
          "name": "Propagation Delay Time to High Output Level",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": 50,
          "typ": null,
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          "conditions": "Rg = 10Ω, Cg = 25nF, f = 10 kHz, Duty Cycle = 50%; IF = 7 to 16 mA, VCC = 10 to 30V; VEE = ground",
          "source_page": 8,
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        {
          "name": "Propagation Delay Time to Low Output Level",
          "symbol": "tPHL",
          "kind": "timing",
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        {
          "name": "Pulse Width Distortion",
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        {
          "name": "Propagation delay difference between any two parts or channels",
          "symbol": "PDD",
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        {
          "name": "Common mode transient immunity at high level output",
          "symbol": "|CMH|",
          "kind": "electrical",
          "unit": "kV/μs",
          "min": 35,
          "typ": 50,
          "max": null,
          "conditions": "TA = 25°C, IF = 10 to 16 mA, VCM = 1500 V, VCC = 30 V",
          "source_page": 8,
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        {
          "name": "Common mode transient immunity at low level output",
          "symbol": "|CML|",
          "kind": "electrical",
          "unit": "kV/μs",
          "min": 35,
          "typ": 50,
          "max": null,
          "conditions": "TA = 25°C, VF = 0 V, VCM = 1500 V, VCC = 30 V",
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        {
          "name": "Withstand Insulation Test Voltage",
          "symbol": "VISO",
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          "min": 5000,
          "typ": null,
          "max": null,
          "conditions": "RH ≤ 40%-60%, t = 1min, TA = 25 oC",
          "source_page": 9,
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        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
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        {
          "name": "Operating Temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": -40,
          "typ": null,
          "max": 110,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Output IC Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
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        {
          "name": "Total Output Supply Voltage (VCC – VEE)",
          "symbol": "VCC–VEE",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 35,
          "conditions": "",
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          "source": "datasheet"
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        {
          "name": "Average Forward Input Current",
          "symbol": "IF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Reverse Input Voltage",
          "symbol": "VR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 6,
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        },
        {
          "name": "Peak Transient Input Current",
          "symbol": "IF(TRAN)",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Note 1: Pulse width (PW) ≤ 1 μs, 300 pps",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High Peak Output Current",
          "symbol": "IOH(PEAK)",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Note 2: Exponential waveform. Pulse width ≤ 0.3 μs, f ≤ 15 kHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low Peak Output Current",
          "symbol": "IOL(PEAK)",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Note 2: Exponential waveform. Pulse width ≤ 0.3 μs, f ≤ 15 kHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Current (Rise/Fall Time)",
          "symbol": "tr(IN)/tf(IN)",
          "kind": "absolute_maximum",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Note 3: Rise and fall times of input on-current should be less than 500 ns",
          "source_page": 6,
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        },
        {
          "name": "Output Voltage",
          "symbol": "VO(PEAK)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PI",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Output Power Dissipation",
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          "unit": "mW",
          "min": null,
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          "max": 700,
          "conditions": "",
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          "name": "Total Power Dissipation",
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          "max": 745,
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          "name": "Lead Solder Temperature (10s)",
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          "unit": "oC",
          "min": null,
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          "max": 260,
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          "name": "Operating Temperature",
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          "unit": "oC",
          "min": -40,
          "typ": null,
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          "conditions": "",
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          "unit": "V",
          "min": 15,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
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          "name": "Input Current (ON)",
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          "unit": "mA",
          "min": 7,
          "typ": null,
          "max": 16,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage (OFF)",
          "symbol": "VF(OFF)",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
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