main
Ray Set visibility: public 596d2cc 4d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ps2561d-1y-a",
  "title": "PS2561D-1Y-A",
  "brief": "RENESAS Transistor, Photovoltaic Output Optoisolators, DIP-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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  "component": {
    "mpn": "PS2561D-1Y-A",
    "manufacturer": "RENESAS",
    "package": "DIP-4",
    "pin_count": 4,
    "category": "Optoisolators",
    "subcategory": "Transistor, Photovoltaic Output Optoisolators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0f237e4e785d891595e78a47aa33cc65.pdf",
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    },
    "distributor_links": {
      "lcsc": "C17698547",
      "digikey": "559-1318-ND",
      "mouser": "968-PS2561D-1Y-A"
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "found",
        "lifecycle": "Active"
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        "pn": "968-PS2561D-1Y-A",
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        "name": "Anode",
        "type": "passive",
        "description": "Anode of the GaAs input LED; forward current IF max 40 mA DC (1 A peak, PW=100 µs, duty 1%) and reverse voltage VR max 6 V."
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      {
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        "name": "Cathode",
        "type": "passive",
        "description": "Cathode of the GaAs input LED; shorted with pin 1 for the 5 000 Vr.m.s. isolation test between input and output."
      },
      {
        "number": "3",
        "name": "Emitter",
        "type": "passive",
        "description": "Emitter of the NPN silicon phototransistor; emitter to collector voltage VECO max 7 V."
      },
      {
        "number": "4",
        "name": "Collector",
        "type": "passive",
        "description": "Collector of the NPN silicon phototransistor; VCEO max 80 V and collector current IC max 50 mA."
      }
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    "provenance": {
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 18,
        "cost_usd": 0.1272,
        "at": "2026-10-24T00:18:00"
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        "url": "https://datasheet.lcsc.com/datasheet/pdf/0f237e4e785d891595e78a47aa33cc65.pdf",
        "pages": 18,
        "sha256": "04ff39dc9544e695",
        "source_tier": "lcsc"
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      "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"
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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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          4.93,
          6.98
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        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "39490b2c17b5f36ae3fdd5fdd2952f6879a060ff6cbc6d0241e3d6262fd0f215",
        "checked": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "RENESAS",
      "Package": "DIP-4",
      "Category": "Optoisolators",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "04ff39dc9544e69520ddbf15212d02ab452d211ac59039ceecccbd6ac5adbdec",
      "rows": [
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          "name": "Diode Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": 1.4,
          "conditions": "IF = 10 mA",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Reverse Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VR = 5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Terminal Capacitance",
          "symbol": "Ct",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "V = 0 V, f = 1.0 MHz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Collector to Emitter Dark Current",
          "symbol": "ICEO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VCE = 48 V, IF = 0 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Coupled Current Transfer Ratio (IC/IF)",
          "symbol": "CTR",
          "kind": "electrical",
          "unit": "%",
          "min": 50,
          "typ": 160,
          "max": 400,
          "conditions": "IF = 5 mA, VCE = 5 V",
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          "source": "datasheet"
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        {
          "name": "Coupled Current Transfer Ratio (IC/IF)",
          "symbol": "CTR",
          "kind": "electrical",
          "unit": "%",
          "min": 10,
          "typ": 80,
          "max": null,
          "conditions": "IF = 1 mA, VCE = 5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Collector Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "IF = 10 mA, IC = 2 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Isolation Capacitance",
          "symbol": "CI-O",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "V = 0 V, f = 1.0 MHz",
          "source_page": 5,
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        },
        {
          "name": "Rise Time",
          "symbol": "tr",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "VCC = 10 V, IC = 2 mA, RL = 100 Ω",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Fall Time",
          "symbol": "tf",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "VCC = 10 V, IC = 2 mA, RL = 100 Ω",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Diode Reverse Voltage",
          "symbol": "VR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "TA = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Forward Current (DC)",
          "symbol": "IF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "TA = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation Derating (diode)",
          "symbol": "PD/°C",
          "kind": "absolute_maximum",
          "unit": "mW/°C",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "TA = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Diode Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "TA = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Peak Forward Current",
          "symbol": "IFP",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "PW = 100 µs, Duty Cycle = 1%",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector to Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "TA = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Emitter to Collector Voltage",
          "symbol": "VECO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "TA = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector Current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "TA = 25°C",
          "source_page": 4,
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        {
          "name": "Power Dissipation Derating (transistor)",
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        {
          "name": "Transistor Power Dissipation",
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          "conditions": "TA = 25°C",
          "source_page": 4,
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        },
        {
          "name": "Isolation Voltage",
          "symbol": "BV",
          "kind": "absolute_maximum",
          "unit": "Vr.m.s.",
          "min": null,
          "typ": null,
          "max": 5000,
          "conditions": "AC 1 minute, TA = 25°C, RH = 60%, input-output, pins 1-2 shorted, 3-4 shorted",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 110,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
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  "discovery_pitch": "PS2561D-1Y-A (RENESAS) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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