LDTC144EM3T5G

{
  "schema_version": 1,
  "type": "component",
  "slug": "ldtc144em3t5g",
  "title": "LDTC144EM3T5G",
  "brief": "LRC Digital Transistors, SOT-723. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "LDTC144EM3T5G",
    "manufacturer": "LRC",
    "package": "SOT-723",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Digital Transistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588917532320780288",
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      "footprint": "ldtc144em3t5g.kicad_mod",
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      "model_3d_plain": "ldtc144em3t5g.glb",
      "model_3d_step": "ldtc144em3t5g-etched.step",
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      "lbr": "ldtc144em3t5g.lbr"
    },
    "distributor_links": {
      "lcsc": "C883199"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T17:11:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BASE",
        "type": "input",
        "description": "Base input, connected through the internal series base resistor R1 (47 kΩ typical for LDTC144EM3T5G, range 32.9 to 61.1 kΩ) to the transistor base."
      },
      {
        "number": "2",
        "name": "EMITTER",
        "type": "power_in",
        "description": "Emitter, labeled GROUND in the datasheet; it is the common reference for the monolithic base-emitter resistor R2 and the transistor emitter."
      },
      {
        "number": "3",
        "name": "COLLECTOR",
        "type": "output",
        "description": "Collector, labeled OUTPUT in the datasheet; rated for 50 Vdc VCEO and 100 mAdc collector current maximum."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 2 is labeled GROUND in the datasheet, so it is typed power_in per the GND convention. Pin descri"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0627,
        "at": "2026-10-09T17:07:14"
      },
      "datasheet": {
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        "pages": 14,
        "sha256": "38240794001c5a30",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "seat": "z = 0",
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6ec005264c6ec7ece9a6a3deafa15966c625cc2952ee8e7569184dd129c6ca10",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ldtc144em3t5g-etched.step",
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        "sha256": "2ec137a3b8dd2ea4baceae7c83cc1a5df8ac9321b169e3df026f19563c82c635",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "LRC",
      "Package": "SOT-723",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
    "ldtc144em3t5g"
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  "discovery_pitch": "LDTC144EM3T5G (LRC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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}