RPI-352

{
  "schema_version": 1,
  "type": "component",
  "slug": "rpi-352",
  "title": "RPI-352",
  "brief": "ROHM Semicon Photointerrupters - Slot Type - Transistor Output, DIP-4. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensor",
    "rpi-352"
  ],
  "component": {
    "mpn": "RPI-352",
    "manufacturer": "ROHM Semicon",
    "package": "DIP-4",
    "pin_count": 4,
    "category": "Sensor",
    "subcategory": "Photointerrupters - Slot Type - Transistor Output",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/7f4b6f0d3f8a4388bcbeaffdc565eba1.pdf",
    "parts": {
      "symbol": "rpi-352.kicad_sym",
      "footprint": "rpi-352.kicad_mod",
      "model_3d": "rpi-352-etched.glb",
      "model_3d_plain": "rpi-352.glb",
      "model_3d_step": "rpi-352-etched.step",
      "model_3d_step_plain": "rpi-352.step",
      "lbr": "rpi-352.lbr"
    },
    "distributor_links": {
      "lcsc": "C79953"
    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Infrared LED emitter cathode. Forward current IF up to 50 mA, VF typ 1.3 V (max 1.6 V) at IF = 50 mA. Reverse voltage VR max 5 V."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "Infrared LED emitter anode. Drive through a current-limiting resistor from VCC; LED power dissipation PD max 80 mW."
      },
      {
        "number": "3",
        "name": "Collector",
        "type": "passive",
        "description": "NPN phototransistor collector. VCEO max 30 V, IC max 30 mA, collector power dissipation PC max 80 mW. Typical IC = 1.0 mA at VCE = 5 V, IF = 20 mA (unblocked slot)."
      },
      {
        "number": "4",
        "name": "Emitter",
        "type": "passive",
        "description": "NPN phototransistor emitter. Emitter-collector reverse voltage VECO max 4.5 V. Usually tied to GND via load resistor or directly."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/7f4b6f0d3f8a4388bcbeaffdc565eba1.pdf",
        "pages": 6,
        "sha256": "d22cb83513719e90",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        0,
        0
      ],
      "corner": "bottom-right",
      "source": "fab-chamfer",
      "derived_from": "DIP-4_W7.62mm@sha256:3884cdce734b1b9d",
      "mark": "synthesised"
    },
    "models_3d": [
      {
        "file": "rpi-352.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,
          4.93,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "39490b2c17b5f36ae3fdd5fdd2952f6879a060ff6cbc6d0241e3d6262fd0f215",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rpi-352-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,
          4.93,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5488bcd87a3e6ec5dca1352a19cde6e9b0571fd075620197c26ac0c11c489b18",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ROHM Semicon",
      "Package": "DIP-4",
      "Category": "Sensor",
      "Pins": "4"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "rpi-352"
  ],
  "discovery_pitch": "RPI-352 (ROHM Semicon) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "rpi-352.kicad_sym",
    "rpi-352.kicad_mod",
    "rpi-352.glb",
    "rpi-352.step",
    "rpi-352-etched.step",
    "rpi-352.lbr",
    "docs/hero.png",
    "docs/rpi-352-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T04:54:30.311Z"
}