2SC4944

{
  "slug": "2sc4944",
  "version": "0.1.0",
  "type": "component",
  "description": "Changjing Bipolar (BJT), SOT-353. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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  "component": {
    "mpn": "2SC4944",
    "manufacturer": "Changjing",
    "package": "SOT-353",
    "pin_count": 5,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590919838087139328",
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    "distributor_links": {
      "lcsc": "C2910245"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T23:32:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B1",
        "type": "input",
        "description": "Base of the first NPN transistor (the one whose collector is pin 5); VEBO max 5 V."
      },
      {
        "number": "2",
        "name": "E",
        "type": "passive",
        "description": "Common emitter of both NPN transistors; collector current is 150 mA max per the ratings."
      },
      {
        "number": "3",
        "name": "B2",
        "type": "input",
        "description": "Base of the second NPN transistor (the one whose collector is pin 4); VEBO max 5 V."
      },
      {
        "number": "4",
        "name": "C2",
        "type": "passive",
        "description": "Collector of the second NPN transistor; VCBO 60 V, VCEO 50 V, IC 150 mA continuous."
      },
      {
        "number": "5",
        "name": "C1",
        "type": "passive",
        "description": "Collector of the first NPN transistor; VCBO 60 V, VCEO 50 V, IC 150 mA continuous."
      }
    ],
    "provenance": {
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        "pages": 3,
        "sha256": "94c555b7567e292d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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}