SMUN5211DW

{
  "schema_version": 1,
  "type": "component",
  "slug": "smun5211dw",
  "title": "SMUN5211DW",
  "brief": "Slkor SLKORMICRO Elec Digital Transistors, SOT-363. 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",
    "transistors-thyristors",
    "smun5211dw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SMUN5211DW",
    "manufacturer": "Slkor SLKORMICRO Elec",
    "package": "SOT-363",
    "pin_count": 6,
    "category": "Transistors/Thyristors",
    "subcategory": "Digital Transistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603133443953864704",
    "parts": {
      "symbol": "smun5211dw.kicad_sym",
      "footprint": "smun5211dw.kicad_mod",
      "model_3d": "smun5211dw-hero.glb",
      "model_3d_plain": "smun5211dw-etched.glb",
      "model_3d_step": "smun5211dw-etched.step",
      "model_3d_step_plain": "smun5211dw.step",
      "lbr": "smun5211dw.lbr"
    },
    "distributor_links": {
      "lcsc": "C5375293"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T11:45:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "E2",
        "type": "passive",
        "description": "Emitter of Q2 (R2 base-emitter resistor 10 kΩ connects here), per the internal schematic on page 1."
      },
      {
        "number": "2",
        "name": "B2",
        "type": "input",
        "description": "Base of Q2 via the 10 kΩ series base resistor R1, per the internal schematic on page 1."
      },
      {
        "number": "3",
        "name": "C1",
        "type": "passive",
        "description": "Collector of Q1; VCEO 50 Vdc, IC max 100 mAdc."
      },
      {
        "number": "4",
        "name": "E1",
        "type": "passive",
        "description": "Emitter of Q1 (R2 base-emitter resistor 10 kΩ connects here), per the internal schematic on page 1."
      },
      {
        "number": "5",
        "name": "B1",
        "type": "input",
        "description": "Base of Q1 via the 10 kΩ series base resistor R1, per the internal schematic on page 1."
      },
      {
        "number": "6",
        "name": "C2",
        "type": "passive",
        "description": "Collector of Q2; VCEO 50 Vdc, IC max 100 mAdc."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin functions were read from the internal schematic drawing (emitter arrow positions) because the da",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.2571,
        "at": "2026-10-18T11:44:07"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603133443953864704",
        "pages": 5,
        "sha256": "058217b8b576c2c6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "smun5211dw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "045cc95e18ee7a13d1623c3ce6604fc833049bdb4f952f68c26e3c5767d122e4",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "smun5211dw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6d0e99453abd4ca68aebb7bccea5fe666682198a7512349b5cb4a7b49f6536e1",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Slkor SLKORMICRO Elec",
      "Package": "SOT-363",
      "Category": "Transistors/Thyristors",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "058217b8b576c2c64a35487fff64ed87ef6f9cb8f6eaa1791971f31deef6f54f",
      "rows": [
        {
          "name": "Input Resistor R1",
          "symbol": "R1",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 7,
          "typ": 10,
          "max": 13,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "R1/R2 Resistor Ratio",
          "symbol": "R1/R2",
          "kind": "electrical",
          "unit": "-",
          "min": 0.8,
          "typ": null,
          "max": 1.2,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "-",
          "min": 35,
          "typ": null,
          "max": null,
          "conditions": "VCE = 10 V, IC = 5 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Base Cutoff Current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VCB = 50 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Emitter Cutoff Current",
          "symbol": "ICEO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "VCE = 50 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter Base Cutoff Current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "VEB = 6 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Base Breakdown Voltage",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
          "unit": "V",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "IC = 10 µA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Emitter Breakdown Voltage",
          "symbol": "V(BR)CEO",
          "kind": "electrical",
          "unit": "V",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "IC = 2 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Emitter Saturation Voltage",
          "symbol": "VCEsat",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.25,
          "conditions": "IC = 10 mA, IB = 0.3 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (on)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "VCC = 5 V, VB = 2.5 V, RL = 1 kΩ",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (off)",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.9,
          "typ": null,
          "max": null,
          "conditions": "VCC = 5 V, VB = 0.5 V, RL = 1 kΩ",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "TA = 25°C, common for Q1 and Q2",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "TA = 25°C, common for Q1 and Q2",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector Current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mAdc",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "TA = 25°C, common for Q1 and Q2",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Device Dissipation (one junction heated, FR-4 @ Minimum Pad)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 187,
          "conditions": "TA = 25°C, Note 1",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Device Dissipation (one junction heated, FR-4 @ 1.0 x 1.0 inch Pad)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 256,
          "conditions": "TA = 25°C, Note 2",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (one junction heated, FR-4 @ Minimum Pad)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 670,
          "conditions": "Note 1",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (one junction heated, FR-4 @ 1.0 x 1.0 inch Pad)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 490,
          "conditions": "Note 2",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Device Dissipation (both junctions heated, FR-4 @ Minimum Pad)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "TA = 25°C, Note 1",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Device Dissipation (both junctions heated, FR-4 @ 1.0 x 1.0 inch Pad)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 385,
          "conditions": "TA = 25°C, Note 2",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Derate above 25°C (both junctions heated, FR-4 @ Minimum Pad)",
          "symbol": "",
          "kind": "thermal",
          "unit": "mW/°C",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Above TA = 25°C, Note 1",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Derate above 25°C (both junctions heated, FR-4 @ 1.0 x 1.0 inch Pad)",
          "symbol": "",
          "kind": "thermal",
          "unit": "mW/°C",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Above TA = 25°C, Note 2",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (both junctions heated, FR-4 @ Minimum Pad)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 493,
          "conditions": "Note 1",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (both junctions heated, FR-4 @ 1.0 x 1.0 inch Pad)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 325,
          "conditions": "Note 2",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Lead (both junctions heated, FR-4 @ Minimum Pad)",
          "symbol": "RθJL",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 188,
          "conditions": "Note 1",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Lead (both junctions heated, FR-4 @ 1.0 x 1.0 inch Pad)",
          "symbol": "RθJL",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 208,
          "conditions": "Note 2",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction and Storage Temperature",
          "symbol": "TJ, Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "smun5211dw"
  ],
  "discovery_pitch": "SMUN5211DW (Slkor SLKORMICRO Elec) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "smun5211dw.kicad_sym",
    "smun5211dw.kicad_mod",
    "smun5211dw.glb",
    "smun5211dw.step",
    "smun5211dw.lbr",
    "docs/hero.png",
    "docs/smun5211dw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "smun5211dw-hero.glb",
    "smun5211dw-hero.overlay.json",
    "smun5211dw-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}