main
Ray Set visibility: public 0b7dcde 11d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "sfh6343t",
  "title": "SFH6343T",
  "brief": "Vishay Intertech Transistor, Photovoltaic Output Optoisolators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "optoisolators",
    "sfh6343t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SFH6343T",
    "manufacturer": "Vishay Intertech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Optoisolators",
    "subcategory": "Transistor, Photovoltaic Output Optoisolators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603010173057314816",
    "parts": {
      "symbol": "sfh6343t.kicad_sym",
      "footprint": "sfh6343t.kicad_mod",
      "model_3d": "sfh6343t-hero.glb",
      "model_3d_plain": "sfh6343t-etched.glb",
      "model_3d_step": "sfh6343t-etched.step",
      "model_3d_step_plain": "sfh6343t.step",
      "lbr": "sfh6343t.lbr"
    },
    "distributor_links": {
      "lcsc": "C5224046",
      "digikey": "751-1364-2-ND",
      "mouser": "782-SFH6343T"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T00:58:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "751-1364-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "782-SFH6343T",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected in the pin diagram; the datasheet states no function for this pin, so leave it unconnected."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "LED anode of the GaAlAs infrared emitting diode; the datasheet limits DC forward current to 25 mA and reverse voltage to 3 V."
      },
      {
        "number": "3",
        "name": "C",
        "type": "passive",
        "description": "LED cathode of the GaAlAs infrared emitting diode; the datasheet limits DC forward current to 25 mA and reverse voltage to 3 V."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected in the pin diagram; the datasheet states no function for this pin, so leave it unconnected."
      },
      {
        "number": "5",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the integrated output transistor; the datasheet recommends a 0.1 µF bypass capacitor between pins 5 and 8."
      },
      {
        "number": "6",
        "name": "C",
        "type": "output",
        "description": "Open-collector output; the datasheet limits output voltage to 25 V and output current to 8 mA."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No base connection on the SFH6343T (ordering table: NO BASE CONNECTION); the datasheet states no function for this pin, so leave it unconnected."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin with a limit of -0.5 to 30 V; a 0.1 µF bypass capacitor between pins 5 and 8 is recommended."
      }
    ],
    "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 pin diagram text is scrambled in extraction; the pin assignments were inferred from the label or; The diagram label reads BVB, but the ordering table says the SFH6343T has no base connection, so pin; The datasheet does not state the function of the NC pins. The description only says they are unconne"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0517,
        "at": "2026-10-18T00:57:11"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603010173057314816",
        "pages": 7,
        "sha256": "6517034e5be32edd",
        "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": "sfh6343t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sfh6343t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "sha256": "caa656a9af4761882e356598fceeac8093a9c63cb397e9a684f22e62c5cd96eb",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Vishay Intertech",
      "Package": "SOIC-8",
      "Category": "Optoisolators",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6517034e5be32edde8c1b9c4152134805cd155de3b275e9db719281378d945b0",
      "rows": [
        {
          "name": "Reverse voltage",
          "symbol": "VR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC forward current",
          "symbol": "IF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Surge forward current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "tp ≤ 1 μs, 300 pulses/s",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation (input)",
          "symbol": "Pdiss",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "Tamb ≤ 70 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation (output)",
          "symbol": "Pdiss",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Tamb ≤ 70 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Isolation test voltage",
          "symbol": "VISO",
          "kind": "absolute_maximum",
          "unit": "VRMS",
          "min": null,
          "typ": null,
          "max": 4000,
          "conditions": "between emitter and detector",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ambient temperature range",
          "symbol": "Tamb",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Soldering temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "max. 10 s, dip soldering distance to seating plane ≥ 1.5 mm",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Creepage distance",
          "symbol": "",
          "kind": "electrical",
          "unit": "mm",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Clearance distance",
          "symbol": "",
          "kind": "electrical",
          "unit": "mm",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.6,
          "max": 1.8,
          "conditions": "IF = 16 mA, 25 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.6,
          "max": 1.9,
          "conditions": "IF = 16 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.5,
          "max": 10,
          "conditions": "VR = 3 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Logic high supply current",
          "symbol": "ICCH",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.001,
          "max": 1,
          "conditions": "IF = 0 mA, VO = open, VCC = 15 V, 25 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Logic high supply current",
          "symbol": "ICCH",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.001,
          "max": 2,
          "conditions": "IF = 0 mA, VO = open, VCC = 15 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Logic low output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.15,
          "max": 0.5,
          "conditions": "IF = 16 mA, VCC = 4.5 V, IO = 2.4 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Logic high output current",
          "symbol": "IOH",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.003,
          "max": 0.5,
          "conditions": "IF = 0 mA, VO = VCC = 5.5 V, 25 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Logic high output current",
          "symbol": "IOH",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.01,
          "max": 1,
          "conditions": "IF = 0 mA, VO = VCC = 15 V, 25 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Current transfer ratio",
          "symbol": "CTR",
          "kind": "electrical",
          "unit": "%",
          "min": 19,
          "typ": 35,
          "max": 50,
          "conditions": "VO = 0.4 V, IF = 16 mA, VCC = 4.5 V, 25 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Current transfer ratio",
          "symbol": "CTR",
          "kind": "electrical",
          "unit": "%",
          "min": 15,
          "typ": 36,
          "max": null,
          "conditions": "VO = 0.5 V, IF = 16 mA, VCC = 4.5 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay time to logic low at output",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 0.25,
          "max": 1,
          "conditions": "RL = 1.9 KΩ",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay time to logic high at output",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 0.5,
          "max": 1,
          "conditions": "RL = 1.9 KΩ",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Common mode transient immunity at logic high level output",
          "symbol": "|CMH|",
          "kind": "electrical",
          "unit": "kV/μs",
          "min": 15,
          "typ": 30,
          "max": null,
          "conditions": "RL = 1.9 kΩ, IF = 0 mA, VCM = 1500 VP-P",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Common mode transient immunity at logic low level output",
          "symbol": "|CML|",
          "kind": "electrical",
          "unit": "kV/μs",
          "min": 15,
          "typ": 30,
          "max": null,
          "conditions": "RL = 1.9 kΩ, IF = 16 mA, VCM = 1500 VP-P",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of forward voltage",
          "symbol": "ΔVF/ΔT",
          "kind": "temperature_coefficient",
          "unit": "mW/°C",
          "min": null,
          "typ": -1.7,
          "max": null,
          "conditions": "IF = 16 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Logic low supply current",
          "symbol": "ICCL",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "IF = 16 mA, VO = open, VCC = 15 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Logic high output current",
          "symbol": "IOH",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "IF = 0 mA, VO = VCC = 15 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input capacitance",
          "symbol": "CIN",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "f = 1 MHz, VF = 0 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Capacitance (input to output)",
          "symbol": "CIO",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "f = 1 MHz",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sfh6343t"
  ],
  "discovery_pitch": "SFH6343T (Vishay Intertech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  "visibility": {
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}