HCPL4503M

{
  "slug": "hcpl4503m",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi Logic Output Optoisolators, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "optoisolators",
    "hcpl4503m",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "hcpl4503m.kicad_sym",
    "hcpl4503m.kicad_mod",
    "hcpl4503m.glb",
    "hcpl4503m.step",
    "hcpl4503m.lbr",
    "docs/hero.png",
    "docs/hcpl4503m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "hcpl4503m-hero.glb",
    "hcpl4503m-hero.overlay.json",
    "hcpl4503m-etched.glb"
  ],
  "component": {
    "mpn": "HCPL4503M",
    "manufacturer": "onsemi",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Optoisolators",
    "subcategory": "Logic Output Optoisolators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588899031145308160",
    "parts": {
      "symbol": "hcpl4503m.kicad_sym",
      "footprint": "hcpl4503m.kicad_mod",
      "model_3d": "hcpl4503m-hero.glb",
      "model_3d_plain": "hcpl4503m-etched.glb",
      "model_3d_step": "hcpl4503m-etched.step",
      "model_3d_step_plain": "hcpl4503m.step",
      "lbr": "hcpl4503m.lbr"
    },
    "distributor_links": {
      "lcsc": "C115130",
      "digikey": "HCPL4503M-ND",
      "mouser": "512-HCPL4503M"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T12:33:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "HCPL4503M-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "512-HCPL4503M",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "N/C",
        "type": "unconnected",
        "description": "No internal connection on the HCPL4503M; leave unconnected (Figure 1 schematic marks this pin N/C)."
      },
      {
        "number": "2",
        "name": "VF (anode)",
        "type": "input",
        "description": "LED anode input; the datasheet limits are DC/average forward input current of 25 mA per channel, peak forward current of 50 mA (50% duty, 1 ms), and recommended input current high level IFH of 6.3 to 20 mA."
      },
      {
        "number": "3",
        "name": "VF (cathode)",
        "type": "input",
        "description": "LED cathode; reverse input voltage is rated at 5 V maximum per the absolute maximum ratings."
      },
      {
        "number": "4",
        "name": "N/C",
        "type": "unconnected",
        "description": "No internal connection on the HCPL4503M; leave unconnected (Figure 1 schematic marks this pin N/C)."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Detector ground reference (common return for the output transistor and supply)."
      },
      {
        "number": "6",
        "name": "VO",
        "type": "output",
        "description": "Open-collector logic output; average output current is limited to 8 mA and output voltage to -0.5 V to 20 V, with VOL of 0.4 V maximum at IO = 3 mA."
      },
      {
        "number": "7",
        "name": "N/C",
        "type": "unconnected",
        "description": "Not connected in the HCPL4503M (the base connection VB used on the 6N135M/6N136M is absent for improved noise immunity)."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Detector supply voltage; recommended operating range is 4.5 V to 20.0 V, with an absolute maximum of 30 V."
      }
    ],
    "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 ordering table (page 13) lists only 6N135M-family DIP 8-pin part numbers and states the orderabl; The pin-to-function mapping was reconstructed from the Figure 1 schematic text, which is scrambled i; Pins 1 and 4 are N/C in the schematic but appear as 'Shield' in the test circuit figures. Treated as"
        ],
        "pages_sent": 20,
        "cost_usd": 0.0794,
        "at": "2026-10-16T12:32:55"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588899031145308160",
        "pages": 20,
        "sha256": "9d9a776e6e678973",
        "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": [
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        "file": "hcpl4503m.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": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hcpl4503m-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,
          6.98
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        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "34110c693a41ccf157c0d0405d3fe8ec9afdca39f38901b8fb2b759dde1f03c4",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}