LMUN5214DW1T1G

{
  "schema_version": 1,
  "type": "component",
  "slug": "lmun5214dw1t1g",
  "title": "LMUN5214DW1T1G",
  "brief": "LRC 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",
    "lmun5214dw1t1g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LMUN5214DW1T1G",
    "manufacturer": "LRC",
    "package": "SOT-363",
    "pin_count": 6,
    "category": "Transistors/Thyristors",
    "subcategory": "Digital Transistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586203800796979200",
    "parts": {
      "symbol": "lmun5214dw1t1g.kicad_sym",
      "footprint": "lmun5214dw1t1g.kicad_mod",
      "model_3d": "lmun5214dw1t1g-hero.glb",
      "model_3d_plain": "lmun5214dw1t1g-etched.glb",
      "model_3d_step": "lmun5214dw1t1g-etched.step",
      "model_3d_step_plain": "lmun5214dw1t1g.step",
      "lbr": "lmun5214dw1t1g.lbr"
    },
    "distributor_links": {
      "lcsc": "C136173"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T02:09:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EMITTER 2",
        "type": "passive",
        "description": "Emitter of transistor Q2 in the dual BRT (NPN with monolithic bias resistors); the datasheet gives common Q1/Q2 ratings of V_CEO 50 Vdc and I_C 100 mAdc maximum."
      },
      {
        "number": "2",
        "name": "BASE 2",
        "type": "input",
        "description": "Base of transistor Q2, which drives the internal series base resistor R1 (10 kΩ for LMUN5214DW1T1G); the datasheet gives no separate absolute limit for this pin."
      },
      {
        "number": "3",
        "name": "COLLECTOR 1",
        "type": "passive",
        "description": "Collector of transistor Q1 in the dual BRT; the datasheet gives common Q1/Q2 ratings of V_CBO 50 Vdc and I_C 100 mAdc maximum."
      },
      {
        "number": "4",
        "name": "EMITTER 1",
        "type": "passive",
        "description": "Emitter of transistor Q1 in the dual BRT; the datasheet gives common Q1/Q2 ratings of V_CEO 50 Vdc and I_C 100 mAdc maximum."
      },
      {
        "number": "5",
        "name": "BASE 1",
        "type": "input",
        "description": "Base of transistor Q1, which drives the internal series base resistor R1 (10 kΩ for LMUN5214DW1T1G); the datasheet gives no separate absolute limit for this pin."
      },
      {
        "number": "6",
        "name": "COLLECTOR 2",
        "type": "passive",
        "description": "Collector of transistor Q2 in the dual BRT; the datasheet gives common Q1/Q2 ratings of V_CBO 50 Vdc and I_C 100 mAdc maximum."
      }
    ],
    "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 datasheet is a series datasheet (LMUN5211DW1T1G Series). The pin list on page 10 applies to all ; The pin types (passive for emitters/collectors, input for bases) are my KiCad ERC mapping. The datas; Pin descriptions are built from the datasheet's pin list and the common Q1/Q2 maximum ratings. The d"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0549,
        "at": "2026-10-16T02:09:26"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586203800796979200",
        "pages": 10,
        "sha256": "2098411c1ec60859",
        "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": "lmun5214dw1t1g.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": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lmun5214dw1t1g-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": "01e1107167cb2aef4e9b03c0a61435636df7ced479ed489398dea40c79b89344",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "LRC",
      "Package": "SOT-363",
      "Category": "Transistors/Thyristors",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "2098411c1ec6085906aa543138cb25c119c050b24278e1bb39638d020d1618ac",
      "rows": [
        {
          "name": "Input resistor R1 (LMUN5214DW1T1G)",
          "symbol": "R1",
          "kind": "tolerance",
          "unit": "kΩ",
          "min": 7,
          "typ": 10,
          "max": 13,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Resistor ratio R1/R2 (LMUN5214DW1T1G)",
          "symbol": "R1 /R2",
          "kind": "tolerance",
          "unit": "",
          "min": 0.17,
          "typ": 0.21,
          "max": 0.25,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Cutoff Current",
          "symbol": "I CBO",
          "kind": "electrical",
          "unit": "nAdc",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "V CB = 50 V, I E = 0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Cutoff Current",
          "symbol": "I CEO",
          "kind": "electrical",
          "unit": "nAdc",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "V CE = 50 V, I B = 0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Cutoff Current",
          "symbol": "I EBO",
          "kind": "electrical",
          "unit": "mAdc",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "V EB = 6.0 V, I C = 0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Breakdown Voltage",
          "symbol": "V (BR)CBO",
          "kind": "electrical",
          "unit": "Vdc",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "I C = 10 µA, I E = 0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Breakdown Voltage",
          "symbol": "V (BR)CEO",
          "kind": "electrical",
          "unit": "Vdc",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "I C = 2.0 mA, I B = 0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain",
          "symbol": "h FE",
          "kind": "electrical",
          "unit": "",
          "min": 80,
          "typ": 140,
          "max": null,
          "conditions": "V CE = 10 V, I C = 5.0 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "V CE(sat)",
          "kind": "electrical",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 0.25,
          "conditions": "I C = 10 mA, I B = 0.3 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (on)",
          "symbol": "V OL",
          "kind": "electrical",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "V CC = 5.0 V, R L = 1.0 kΩ; V B = 2.5 V (other V B conditions 3.5 V, 5.5 V, 4.0 V listed for other devices)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (off)",
          "symbol": "V OH",
          "kind": "electrical",
          "unit": "Vdc",
          "min": 4.9,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Total Device Dissipation (one junction heated, TA = 25°C, FR-4 @ minimum pad)",
          "symbol": "P D",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 187,
          "conditions": "One junction heated, TA = 25°C, FR-4 @ Minimum Pad",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Device Dissipation (one junction heated, TA = 25°C, FR-4 @ 1.0 x 1.0 inch pad)",
          "symbol": "P D",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 256,
          "conditions": "One junction heated, TA = 25°C, FR-4 @ 1.0 x 1.0 inch Pad",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Device Dissipation (both junctions heated, TA = 25°C, FR-4 @ minimum pad)",
          "symbol": "P D",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "Both junctions heated, TA = 25°C, FR-4 @ Minimum Pad",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Device Dissipation (both junctions heated, TA = 25°C, FR-4 @ 1.0 x 1.0 inch pad)",
          "symbol": "P D",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 385,
          "conditions": "Both junctions heated, TA = 25°C, FR-4 @ 1.0 x 1.0 inch Pad",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (one junction heated)",
          "symbol": "R θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 670,
          "conditions": "One junction heated, FR-4 @ Minimum Pad",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (one junction heated)",
          "symbol": "R θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 490,
          "conditions": "One junction heated, FR-4 @ 1.0 x 1.0 inch Pad",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (both junctions heated)",
          "symbol": "R θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 493,
          "conditions": "Both junctions heated, FR-4 @ Minimum Pad",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (both junctions heated)",
          "symbol": "R θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 325,
          "conditions": "Both junctions heated, FR-4 @ 1.0 x 1.0 inch Pad",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Lead (both junctions heated)",
          "symbol": "R θJL",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 188,
          "conditions": "Both junctions heated, FR-4 @ Minimum Pad",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Lead (both junctions heated)",
          "symbol": "R θJL",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 208,
          "conditions": "Both junctions heated, FR-4 @ 1.0 x 1.0 inch Pad",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Voltage",
          "symbol": "V CBO",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "Common for Q1 and Q2, TA = 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage",
          "symbol": "V CEO",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "Common for Q1 and Q2, TA = 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector Current",
          "symbol": "I C",
          "kind": "absolute_maximum",
          "unit": "mAdc",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Common for Q1 and Q2, TA = 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction and Storage Temperature",
          "symbol": "T J , T stg",
          "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": [
    "lmun5214dw1t1g"
  ],
  "discovery_pitch": "LMUN5214DW1T1G (LRC) 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",
    "lmun5214dw1t1g.kicad_sym",
    "lmun5214dw1t1g.kicad_mod",
    "lmun5214dw1t1g.glb",
    "lmun5214dw1t1g.step",
    "lmun5214dw1t1g.lbr",
    "docs/hero.png",
    "docs/lmun5214dw1t1g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lmun5214dw1t1g-hero.glb",
    "lmun5214dw1t1g-hero.overlay.json",
    "lmun5214dw1t1g-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}