UMX2N

{
  "schema_version": 1,
  "type": "component",
  "slug": "umx2n",
  "title": "UMX2N",
  "brief": "Changjing Bipolar Transistors - BJT, 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",
    "triode-mos tube-transistor",
    "umx2n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "UMX2N",
    "manufacturer": "Changjing",
    "package": "SOT-363",
    "pin_count": 6,
    "category": "Triode/MOS Tube/Transistor",
    "subcategory": "Bipolar Transistors - BJT",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c5befa0f367ab6cf6449751a515a84b9.pdf",
    "parts": {
      "symbol": "umx2n.kicad_sym",
      "footprint": "umx2n.kicad_mod",
      "model_3d": "umx2n-hero.glb",
      "model_3d_plain": "umx2n-etched.glb",
      "model_3d_step": "umx2n-etched.step",
      "model_3d_step_plain": "umx2n.step",
      "lbr": "umx2n.lbr"
    },
    "distributor_links": {
      "lcsc": "C2910261"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T23:47:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "E1",
        "type": "passive",
        "description": "Emitter of the first NPN transistor (Tr1); the datasheet gives VEBO of 7 V maximum and IC of 150 mA maximum per transistor."
      },
      {
        "number": "2",
        "name": "B1",
        "type": "passive",
        "description": "Base of the first NPN transistor (Tr1); the datasheet gives VEBO of 7 V maximum with the emitter."
      },
      {
        "number": "3",
        "name": "C2",
        "type": "passive",
        "description": "Collector of the second NPN transistor (Tr2); the datasheet gives VCEO of 50 V, VCBO of 60 V and IC of 150 mA maximum."
      },
      {
        "number": "4",
        "name": "E2",
        "type": "passive",
        "description": "Emitter of the second NPN transistor (Tr2); the datasheet gives VEBO of 7 V maximum and IC of 150 mA maximum."
      },
      {
        "number": "5",
        "name": "B2",
        "type": "passive",
        "description": "Base of the second NPN transistor (Tr2); the datasheet gives VEBO of 7 V maximum with the emitter."
      },
      {
        "number": "6",
        "name": "C1",
        "type": "passive",
        "description": "Collector of the first NPN transistor (Tr1); the datasheet gives VCEO of 50 V, VCBO of 60 V and IC of 150 mA maximum."
      }
    ],
    "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: The text has no pin table. Pin functions were read from the small SOT-363 schematic on page 1, where; No pin names are printed in the datasheet text. The two transistors are called Tr1 and Tr2 here only",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.046,
        "at": "2026-10-26T23:47:26"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/c5befa0f367ab6cf6449751a515a84b9.pdf",
        "pages": 3,
        "sha256": "c75531ff0f7a0b3a",
        "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": "umx2n.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": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "umx2n-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": "94c785b98598e62037a7a27c411d4b5b5aab43eeafb7583a222f601ff68940dd",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "SOT-363",
      "Category": "Triode/MOS Tube/Transistor",
      "Pins": "6"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "umx2n"
  ],
  "discovery_pitch": "UMX2N (Changjing) 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",
    "umx2n.kicad_sym",
    "umx2n.kicad_mod",
    "umx2n.glb",
    "umx2n.step",
    "umx2n.lbr",
    "docs/hero.png",
    "docs/umx2n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "umx2n-hero.glb",
    "umx2n-hero.overlay.json",
    "umx2n-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}