main
Ray Set visibility: public 6a4609e 7d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bcw252",
  "title": "BCW252",
  "brief": "BC Solid State Relays (MOS Output), DIP-8. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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  "component": {
    "mpn": "BCW252",
    "manufacturer": "BC",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Optoisolators",
    "subcategory": "Solid State Relays (MOS Output)",
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      "source": "Component Ocean /api/assign-pns",
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        "status": "quota"
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      "mouser": {
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        "status": "quota"
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    },
    "pins": [
      {
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        "name": "LED+",
        "type": "input",
        "description": "LED anode (input +); max continuous IF = 50 mA, peak IFP = 1000 mA (f=100 Hz, 1% duty), forward voltage typ. 1.3 V / max 1.5 V at IF = 10 mA."
      },
      {
        "number": "2",
        "name": "LED−",
        "type": "input",
        "description": "LED cathode (input −); reverse voltage max VR = 5 V; operate (turn-on) current typ. 0.5 mA / max 3 mA."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "5",
        "name": "OUT2A",
        "type": "bidirectional",
        "description": "Output switch channel 2, terminal A; PhotoMOS MOSFET switch, max load voltage 60 V AC-peak or DC, max load current 1.1 A, Ron typ. 0.27 Ω / max 0.7 Ω at IF = 5 mA."
      },
      {
        "number": "6",
        "name": "OUT2B",
        "type": "bidirectional",
        "description": "Output switch channel 2, terminal B; PhotoMOS MOSFET switch, max load voltage 60 V AC-peak or DC, max load current 1.1 A, off-state leakage max 1 µA at rated VL."
      },
      {
        "number": "7",
        "name": "OUT1B",
        "type": "bidirectional",
        "description": "Output switch channel 1, terminal B; PhotoMOS MOSFET switch, max load voltage 60 V AC-peak or DC, max load current 1.1 A, output capacitance typ. 230 pF at VL = 0 V / f = 1 MHz."
      },
      {
        "number": "8",
        "name": "OUT1A",
        "type": "bidirectional",
        "description": "Output switch channel 1, terminal A; PhotoMOS MOSFET switch, max load voltage 60 V AC-peak or DC, max load current 1.1 A, peak load current 2.5 A (100 ms, 1 shot)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
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        "pages": 3,
        "sha256": "90faac752ebc33e9",
        "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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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-21",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "BC",
      "Package": "DIP-8",
      "Category": "Optoisolators",
      "Pins": "8"
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    "characteristics": {
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      "source": "datasheet",
      "datasheet_sha256": "90faac752ebc33e94d316dcdd8600f2f00137499eb8ff43913dfa9bb4ba3af3a",
      "rows": [
        {
          "name": "Operating Temperature",
          "symbol": "TOPR",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
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        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
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          "unit": "℃",
          "min": -40,
          "typ": null,
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        {
          "name": "Continuous LED Current",
          "symbol": "IF",
          "kind": "absolute_maximum",
          "unit": "mA",
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          "typ": null,
          "max": 50,
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        {
          "name": "Peak LED Current",
          "symbol": "IFP",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "f=100Hz,Duty=1%",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "LED Reverse Voltage",
          "symbol": "VR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
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        {
          "name": "Input Power Dissipation",
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          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
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          "name": "Load Voltage",
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          "unit": "V",
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          "max": 60,
          "conditions": "AC peak or DC",
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        {
          "name": "Load Current",
          "symbol": "IL",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
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          "max": 1.1,
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        },
        {
          "name": "Peak Load Current",
          "symbol": "IPEAK",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 2.5,
          "conditions": "100ms,1shot",
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          "source": "datasheet"
        },
        {
          "name": "Output Power Dissipation",
          "symbol": "POUT",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 800,
          "conditions": "",
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        },
        {
          "name": "Total Allowable Power Dissipation",
          "symbol": "PT",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 850,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "I/O Breakdown Voltage",
          "symbol": "VI/O",
          "kind": "absolute_maximum",
          "unit": "Vrms",
          "min": null,
          "typ": null,
          "max": 3750,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "LED Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.3,
          "max": 1.5,
          "conditions": "IF=10mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operation LED Current",
          "symbol": "IF ON",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.5,
          "max": 3,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Recovery LED Voltage",
          "symbol": "VF OFF",
          "kind": "electrical",
          "unit": "V",
          "min": 0.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "On-Resistance",
          "symbol": "RON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.27,
          "max": 0.7,
          "conditions": "IF=5mA,IL=Rating, within 1 sec.",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Off-State Leakage Current",
          "symbol": "ILEAK",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VL=Rating",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-On Time",
          "symbol": "TON",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 1.5,
          "max": 5,
          "conditions": "IF=5mA,IL=100mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-Off Time",
          "symbol": "TOFF",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 0.05,
          "max": 0.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "I/O Insulation Resistance",
          "symbol": "RI/O",
          "kind": "electrical",
          "unit": "MΩ",
          "min": 1000,
          "typ": null,
          "max": null,
          "conditions": "DC500V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitance",
          "symbol": "COUT",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 230,
          "max": null,
          "conditions": "VL=0V,f=1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "I/O Capacitance",
          "symbol": "CI/O",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 1.8,
          "max": null,
          "conditions": "f=1MHz",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "BCW252 (BC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}