OR-3120S-TA1

{
  "schema_version": 1,
  "type": "component",
  "slug": "or-3120s-ta1",
  "title": "OR-3120S-TA1",
  "brief": "Orient Transistor, Photovoltaic Output Optoisolators, SOP-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",
    "or-3120s-ta1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "OR-3120S-TA1",
    "manufacturer": "Orient",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Optoisolators",
    "subcategory": "Transistor, Photovoltaic Output Optoisolators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590908435363799040",
    "parts": {
      "symbol": "or-3120s-ta1.kicad_sym",
      "footprint": "or-3120s-ta1.kicad_mod",
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      "model_3d_plain": "or-3120s-ta1-etched.glb",
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      "model_3d_step_plain": "or-3120s-ta1.step",
      "lbr": "or-3120s-ta1.lbr"
    },
    "distributor_links": {
      "lcsc": "C5360341"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T03:28:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "N/C",
        "type": "unconnected",
        "description": "No connect; the datasheet's SWITCHING note says pins 1 and 4 need to be connected to LED common."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "input",
        "description": "LED anode; input forward voltage is 1.5 V typ at IF = 10 mA, average forward current is 25 mA max and reverse voltage is 5 V max."
      },
      {
        "number": "3",
        "name": "CATHODE",
        "type": "input",
        "description": "LED cathode; the return for the input LED."
      },
      {
        "number": "4",
        "name": "N/C",
        "type": "unconnected",
        "description": "No connect; the datasheet's SWITCHING note says pins 1 and 4 need to be connected to LED common."
      },
      {
        "number": "5",
        "name": "VEE",
        "type": "power_in",
        "description": "Output stage negative supply (ground reference); a 0.1 µF bypass capacitor must be connected between pins 5 and 8."
      },
      {
        "number": "6",
        "name": "VO",
        "type": "output",
        "description": "Gate-drive output pin; it is shown internally tied to the output stage with pin 7 and is the low-side drive output (VOL 1.0 V max at IO = 100 mA for OR-3150, 0.5 V max for OR-3120)."
      },
      {
        "number": "7",
        "name": "VO",
        "type": "output",
        "description": "Gate-drive output pin; it is shown internally tied to the high-side drive stage and is the drive output, with VOH of (VCC-4) V min at IO = -100 mA."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Output stage positive supply; operating range is 15 V to 30 V, 35 V absolute maximum, with a 0.1 µF bypass capacitor to pin 5."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin assignment is taken from the page 2 functional diagram, which is drawn as an 8-pin DIP/SOP outli; Pins 6 and 7 are both labelled VO in the diagram and are internally connected to the output. The dat; Pins 1 and 4 are N/C in the diagram. The switching-characteristics note says they need to be connect",
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "pages_sent": 19,
        "cost_usd": 0.3168,
        "at": "2026-10-19T03:26:34"
      },
      "datasheet": {
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        "pages": 19,
        "sha256": "c853d3cf9bbedf63",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-19",
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  "metadata": {
    "specs": {
      "Manufacturer": "Orient",
      "Package": "SOP-8",
      "Category": "Optoisolators",
      "Pins": "8"
    },
    "characteristics": {
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          "name": "Reverse Input Voltage",
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          "name": "Supply Voltage",
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          "name": "Insulation Voltage",
          "symbol": "Viso",
          "kind": "absolute_maximum",
          "unit": "Vrms",
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          "name": "Working Temperature",
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          "name": "Storage Temperature",
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          "unit": "℃",
          "min": -55,
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        },
        {
          "name": "Soldering Temperature",
          "symbol": "Tsol",
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          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "soldering time 10 seconds (footnote *2)",
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        {
          "name": "Wide operating VCC range (VCC – VEE)",
          "symbol": "VCC",
          "kind": "recommended_operating",
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        {
          "name": "Industrial operating temperature range",
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        {
          "name": "High Level Output Current (OR-3120)",
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          "kind": "electrical",
          "unit": "A",
          "min": 0.5,
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          "name": "Low Level Output Current (OR-3120)",
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          "kind": "electrical",
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        {
          "name": "High Level Supply Current",
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          "conditions": "Output Open, IF = 7 to 16 mA",
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          "min": null,
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        {
          "name": "Threshold Input Current Low to High",
          "symbol": "IFLH",
          "kind": "electrical",
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          "name": "Threshold Input Voltage High to Low",
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          "typ": null,
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        {
          "name": "Input Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": 1.5,
          "max": 1.8,
          "conditions": "IF = 10 mA",
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        {
          "name": "Input Reverse Breakdown Voltage",
          "symbol": "BVR",
          "kind": "electrical",
          "unit": "V",
          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "IR = 10 µA",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "UVLO Threshold (turn-on)",
          "symbol": "VUVLO+",
          "kind": "electrical",
          "unit": "V",
          "min": 11,
          "typ": 12.3,
          "max": 13.5,
          "conditions": "VO > 5 V, IF = 10 mA",
          "source_page": 4,
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          "name": "UVLO Threshold (turn-off)",
          "symbol": "VUVLO-",
          "kind": "electrical",
          "unit": "V",
          "min": 9.5,
          "typ": 10.7,
          "max": 12,
          "conditions": "VO > 5 V, IF = 10 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation Delay Time to High Output Level (OR-3120)",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "μs",
          "min": 0.1,
          "typ": 0.3,
          "max": 0.5,
          "conditions": "OR-3120: Rg=10,Cg=10nF, f=10kHz, Duty Cycle=50%",
          "source_page": 5,
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        {
          "name": "Propagation Delay Time to Low Output Level (OR-3120)",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "μs",
          "min": 0.1,
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          "max": 0.5,
          "conditions": "OR-3120: Rg=10,Cg=10nF, f=10kHz, Duty Cycle=50%",
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        {
          "name": "Pulse Width Distortion",
          "symbol": "PWD",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 5,
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        {
          "name": "Propagation Delay Difference Between Any Two Parts",
          "symbol": "PDD (tPHL – tPLH)",
          "kind": "timing",
          "unit": "μs",
          "min": -0.35,
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        {
          "name": "Output High Level Common Mode Transient Immunity",
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          "kind": "electrical",
          "unit": "kV/μs",
          "min": 25,
          "typ": 35,
          "max": null,
          "conditions": "TA=25°C, IF=10 to 16mA, VCM=1500V, VCC=30V",
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          "name": "Output Low Level Common Mode Transient Immunity",
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          "min": 25,
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          "max": null,
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          "name": "Temperature Coefficient of Forward Voltage",
          "symbol": "ΔVF/ΔTA",
          "kind": "temperature_coefficient",
          "unit": "mV/°C",
          "min": null,
          "typ": -1.6,
          "max": null,
          "conditions": "IF = 10 mA",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Input Capacitance",
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          "kind": "electrical",
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          "unit": "V",
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          "max": null,
          "conditions": "",
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          "name": "Rise Time",
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          "name": "UVLO Turn On Delay",
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          "kind": "timing",
          "unit": "μs",
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          "max": null,
          "conditions": "VO>5V,IF=10mA",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "UVLO Turn Off Delay",
          "symbol": "tUVLO OFF",
          "kind": "timing",
          "unit": "μs",
          "min": null,
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          "max": null,
          "conditions": "VO<5V,IF=10mA",
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