OR-3120S-TA1

{
  "slug": "or-3120s-ta1",
  "version": "0.1.0",
  "type": "component",
  "description": "Orient Transistor, Photovoltaic Output Optoisolators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "optoisolators",
    "or-3120s-ta1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "or-3120s-ta1.kicad_sym",
    "or-3120s-ta1.kicad_mod",
    "or-3120s-ta1.glb",
    "or-3120s-ta1.step",
    "or-3120s-ta1.lbr",
    "docs/hero.png",
    "docs/or-3120s-ta1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "or-3120s-ta1-hero.glb",
    "or-3120s-ta1-hero.overlay.json",
    "or-3120s-ta1-etched.glb"
  ],
  "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",
      "model_3d": "or-3120s-ta1-hero.glb",
      "model_3d_plain": "or-3120s-ta1-etched.glb",
      "model_3d_step": "or-3120s-ta1-etched.step",
      "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",
      "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": [
          "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"
        ],
        "pages_sent": 19,
        "cost_usd": 0.3168,
        "at": "2026-10-19T03:26:34"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590908435363799040",
        "pages": 19,
        "sha256": "c853d3cf9bbedf63",
        "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": "or-3120s-ta1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "or-3120s-ta1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
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        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7422936e9300073c22433ec698936ca6410743b646925d796652c41164513939",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}