main
Ray Set visibility: public 6eebd42 7h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "tlp621gb-1",
  "title": "TLP621GB-1",
  "brief": "UMW 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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    "optoisolators",
    "tlp621gb-1",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "TLP621GB-1",
    "manufacturer": "UMW",
    "package": "DIP-4",
    "pin_count": 4,
    "category": "Optoisolators",
    "subcategory": "Transistor, Photovoltaic Output Optoisolators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757270326323351552",
    "parts": {
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      "footprint": "tlp621gb-1.kicad_mod",
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      "model_3d_plain": "tlp621gb-1-etched.glb",
      "model_3d_step": "tlp621gb-1-etched.step",
      "model_3d_step_plain": "tlp621gb-1.step",
      "lbr": "tlp621gb-1.lbr"
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    "distributor_links": {
      "lcsc": "C388376"
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    "distributor_check": {
      "checked_at": "2026-10-17T15:19:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
        "pn": null,
        "status": "quota"
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    "pins": [
      {
        "number": "1",
        "name": "Anode",
        "type": "passive",
        "description": "LED anode of the gallium arsenide infrared emitting diode; the LED reverse current is specified at VR=5V and forward voltage at IF=10mA (typ 1.15V)."
      },
      {
        "number": "2",
        "name": "Cathode",
        "type": "passive",
        "description": "LED cathode of the infrared emitting diode, returned to the input drive circuit; LED forward current is rated at 50mA maximum in the absolute maximum ratings."
      },
      {
        "number": "3",
        "name": "Emitter",
        "type": "passive",
        "description": "Phototransistor emitter on the detector side; the emitter-collector breakdown voltage is 7V minimum at IE=0.1mA."
      },
      {
        "number": "4",
        "name": "Collector",
        "type": "passive",
        "description": "Phototransistor collector on the detector side; the collector-emitter breakdown voltage is 55V minimum at IC=0.5mA and collector current is limited to 50mA."
      }
    ],
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      "extractor": "extract_pins 0.3",
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        "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",
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          "extractor flagged: Pinout taken from the single-channel TLP621 pinning block on page 1 (1: Anode, 2: Cathode, 3: Emitte; Pin descriptions are built from electrical characteristics tables (pages 1 and 4). The absolute maxi; Pin types are assigned as passive for all four pins, following typical KiCad optocoupler symbols. Th"
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        "at": "2026-10-17T15:17:34"
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        "pages": 12,
        "sha256": "494b869890af9070",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 4,
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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,
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        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "39490b2c17b5f36ae3fdd5fdd2952f6879a060ff6cbc6d0241e3d6262fd0f215",
        "checked": "2026-10-17",
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        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "DIP-4",
      "Category": "Optoisolators",
      "Pins": "4"
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    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "494b869890af90702504e53127af87203337d1e39c391bddc82e6973aa4617fc",
      "rows": [
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          "name": "Supply Voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 5,
          "typ": null,
          "max": 24,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward Current",
          "symbol": "IF",
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          "unit": "mA",
          "min": 16,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Collector Current",
          "symbol": "IC",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 1,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "TOPR",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -25,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Pulse Forward Current",
          "symbol": "IFP",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "100μs pulse, 100pps",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Voltage",
          "symbol": "VR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Junction Temperature (LED)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Collector-Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 55,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Collector Voltage",
          "symbol": "VECO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
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          "source_page": 2,
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        {
          "name": "Collector Current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
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          "source_page": 2,
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        {
          "name": "Junction Temperature (detector)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TOPR",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Soldering Temperature",
          "symbol": "TSOL",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10s",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": 1.15,
          "max": 1.3,
          "conditions": "IF=10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reverse Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VR=5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Breakdown Voltage",
          "symbol": "V(BR)CEO",
          "kind": "electrical",
          "unit": "V",
          "min": 55,
          "typ": null,
          "max": null,
          "conditions": "IC=0.5mA",
          "source_page": 4,
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        {
          "name": "Emitter-Collector Breakdown Voltage",
          "symbol": "V(BR)ECO",
          "kind": "electrical",
          "unit": "V",
          "min": 7,
          "typ": null,
          "max": null,
          "conditions": "IE=0.1mA",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Collector Dark Current",
          "symbol": "ICEO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VCE=24V",
          "source_page": 4,
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        {
          "name": "Collector Dark Current",
          "symbol": "ICEO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VCE=24V, Ta=85°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current Transfer Ratio",
          "symbol": "IC/IF",
          "kind": "electrical",
          "unit": "%",
          "min": 50,
          "typ": null,
          "max": 600,
          "conditions": "IF=5mA, VCE=5V, Ta=25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Current Transfer Ratio (Rank GB)",
          "symbol": "IC/IF",
          "kind": "electrical",
          "unit": "%",
          "min": 100,
          "typ": null,
          "max": 600,
          "conditions": "IF=5mA, VCE=5V, Rank GB",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Saturated CTR",
          "symbol": "IC/IF(SAT)",
          "kind": "electrical",
          "unit": "%",
          "min": 30,
          "typ": null,
          "max": null,
          "conditions": "IF=1mA, VCE=0.4V",
          "source_page": 4,
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        {
          "name": "Saturated CTR (Rank GB)",
          "symbol": "IC/IF(SAT)",
          "kind": "electrical",
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          "min": 60,
          "typ": null,
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          "conditions": "IF=1mA, VCE=0.4V, Rank GB",
          "source_page": 4,
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        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE (sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IC=2.4mA, IF=8mA",
          "source_page": 4,
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        {
          "name": "Capacitor (Input To Output)",
          "symbol": "CS",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
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          "max": 0.8,
          "conditions": "VS=0, f=1MHz",
          "source_page": 5,
          "source": "datasheet"
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          "name": "Isolation Voltage",
          "symbol": "BVS",
          "kind": "electrical",
          "unit": "Vrms",
          "min": 5000,
          "typ": null,
          "max": null,
          "conditions": "AC, 1 minute",
          "source_page": 5,
          "source": "datasheet"
        },
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          "name": "Isolation Voltage",
          "symbol": "BVS",
          "kind": "electrical",
          "unit": "Vrms",
          "min": 10000,
          "typ": null,
          "max": null,
          "conditions": "AC, 1 second, in oil",
          "source_page": 5,
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          "name": "Isolation Voltage",
          "symbol": "BVS",
          "kind": "electrical",
          "unit": "Vdc",
          "min": 10000,
          "typ": null,
          "max": null,
          "conditions": "DC, 1 minute, in oil",
          "source_page": 5,
          "source": "datasheet"
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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