main
Ray Set visibility: public 6cbdfc2 7d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "uma5n",
  "title": "UMA5N",
  "brief": "Changjing Digital Transistors, SOT-353. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "transistors-thyristors",
    "uma5n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "UMA5N",
    "manufacturer": "Changjing",
    "package": "SOT-353",
    "pin_count": 5,
    "category": "Transistors/Thyristors",
    "subcategory": "Digital Transistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590931049465520128",
    "parts": {
      "symbol": "uma5n.kicad_sym",
      "footprint": "uma5n.kicad_mod",
      "model_3d": "uma5n-hero.glb",
      "model_3d_plain": "uma5n-etched.glb",
      "model_3d_step": "uma5n-etched.step",
      "model_3d_step_plain": "uma5n.step",
      "lbr": "uma5n.lbr"
    },
    "distributor_links": {
      "lcsc": "C19269043"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T00:06:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN1",
        "type": "input",
        "description": "Input of the first PNP digital transistor (DTA123J), connected through built-in R1 (1.54 to 2.86 kΩ) to the base, with Vi rated -12 to +5 V."
      },
      {
        "number": "2",
        "name": "E",
        "type": "passive",
        "description": "Common emitter of both PNP digital transistors, with the built-in R2 (R2/R1 = 17 to 26) connected between base and emitter, and supply voltage rated -50 V."
      },
      {
        "number": "3",
        "name": "IN2",
        "type": "input",
        "description": "Input of the second PNP digital transistor (DTA123J), connected through built-in R1 (1.54 to 2.86 kΩ) to the base, with Vi rated -12 to +5 V."
      },
      {
        "number": "4",
        "name": "OUT2",
        "type": "passive",
        "description": "Collector output of the second transistor, rated for output current of -100 mA maximum and VCC of -50 V."
      },
      {
        "number": "5",
        "name": "OUT1",
        "type": "passive",
        "description": "Collector output of the first transistor, rated for output current of -100 mA maximum and VCC of -50 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590931049465520128",
        "pages": 4,
        "sha256": "8cb50ac0ce68caa6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "uma5n.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": "2860de5b7b085919ff6e952148353f928798588d9f544dc69430545aff2ba908",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "uma5n-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": "89bdce7150d46beb59ac249113e1401538df771f446ec9b82d012295e668335c",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "SOT-353",
      "Category": "Transistors/Thyristors",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "8cb50ac0ce68caa651ea884217f5832bdf8515139d3e039598442084371c533b",
      "rows": [
        {
          "name": "Input turn-on voltage",
          "symbol": "Vi(on)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -1.1,
          "conditions": "VO=-0.3V, IO=-5mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Input cut-off voltage",
          "symbol": "Vi(off)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -0.5,
          "conditions": "VCC=-5V, IO=-100µA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VO(on)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -0.3,
          "conditions": "IO=-5mA, Ii=-0.25 mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Input cut-off current",
          "symbol": "Ii",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -3.6,
          "conditions": "Vi=-5V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output cut-off current",
          "symbol": "IO(off)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": -0.5,
          "conditions": "VCC=-50V, Vi=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC current gain",
          "symbol": "Gi",
          "kind": "electrical",
          "unit": "",
          "min": 80,
          "typ": null,
          "max": null,
          "conditions": "VO=-5V, IO=-10mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Input resistance",
          "symbol": "R1",
          "kind": "electrical",
          "unit": "KΩ",
          "min": 1.54,
          "typ": null,
          "max": 2.86,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Resistance ratio",
          "symbol": "R2/R1",
          "kind": "electrical",
          "unit": "",
          "min": 17,
          "typ": null,
          "max": 26,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Transition frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "VO=-10V, IO=-5mA, f=100MHz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -50,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IC(MAX)",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "Vi",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -12,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating junction and storage temperature range",
          "symbol": "TJ,Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "uma5n"
  ],
  "discovery_pitch": "UMA5N (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",
    "uma5n.kicad_sym",
    "uma5n.kicad_mod",
    "uma5n.glb",
    "uma5n.step",
    "uma5n.lbr",
    "docs/hero.png",
    "docs/uma5n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "uma5n-hero.glb",
    "uma5n-hero.overlay.json",
    "uma5n-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}