CYHCPL2531

{
  "slug": "cyhcpl2531",
  "version": "0.1.0",
  "type": "component",
  "description": "OCIC Transistor Output Optocoupler, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "optocoupler",
    "cyhcpl2531",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cyhcpl2531.kicad_sym",
    "cyhcpl2531.kicad_mod",
    "cyhcpl2531.glb",
    "cyhcpl2531.step",
    "cyhcpl2531.lbr",
    "docs/hero.png",
    "docs/cyhcpl2531-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cyhcpl2531-hero.glb",
    "cyhcpl2531-hero.overlay.json",
    "cyhcpl2531-etched.glb"
  ],
  "component": {
    "mpn": "CYHCPL2531",
    "manufacturer": "OCIC",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Optocoupler",
    "subcategory": "Transistor Output Optocoupler",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/21117dbee8328577b2c8610131c1c784.pdf",
    "parts": {
      "symbol": "cyhcpl2531.kicad_sym",
      "footprint": "cyhcpl2531.kicad_mod",
      "model_3d": "cyhcpl2531-hero.glb",
      "model_3d_plain": "cyhcpl2531-etched.glb",
      "model_3d_step": "cyhcpl2531-etched.step",
      "model_3d_step_plain": "cyhcpl2531.step",
      "lbr": "cyhcpl2531.lbr"
    },
    "distributor_links": {
      "lcsc": "C20417303"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:34:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A1",
        "type": "passive",
        "description": "Anode of input LED 1 (+); forward current IF(avg) max 25 mA, reverse voltage VR max 5 V."
      },
      {
        "number": "2",
        "name": "K1",
        "type": "passive",
        "description": "Cathode of input LED 1 (-); forward current IF(avg) max 25 mA, reverse voltage VR max 5 V."
      },
      {
        "number": "3",
        "name": "K2",
        "type": "passive",
        "description": "Cathode of input LED 2 (-); forward current IF(avg) max 25 mA, reverse voltage VR max 5 V."
      },
      {
        "number": "4",
        "name": "A2",
        "type": "passive",
        "description": "Anode of input LED 2 (+); forward current IF(avg) max 25 mA, reverse voltage VR max 5 V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground for the output side of both channels."
      },
      {
        "number": "6",
        "name": "VO2",
        "type": "output",
        "description": "Open-collector transistor output of channel 2, with output voltage rated -0.5 to 20 V and average output current max 8 mA."
      },
      {
        "number": "7",
        "name": "VO1",
        "type": "output",
        "description": "Open-collector transistor output of channel 1, with output voltage rated -0.5 to 20 V and average output current max 8 mA."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply for the output side of both channels, with absolute maximum supply voltage of -0.5 to 30 V."
      }
    ],
    "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 1/2 and 3/4 polarity is only shown as '+' and '–' on the block diagram: pin 1 (+) and pin 2 (–) ; The DIP-8 and SMD-8 packages share the same pin assignment, and the datasheet does not say which one; The datasheet gives no recommended Vcc operating range. Only the absolute maximum Vcc (-0.5 to 30 V)",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0471,
        "at": "2026-10-27T01:34:19"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/21117dbee8328577b2c8610131c1c784.pdf",
        "pages": 6,
        "sha256": "63b2a2a7d93a28c7",
        "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": "cyhcpl2531.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": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cyhcpl2531-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,
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        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "917a503a9f531dc52cacb0a9e43ccf3d0d359112a5810e2aafebaab85a939f29",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}