2SK508G-K51-AE3-R

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  "title": "2SK508G-K51-AE3-R",
  "brief": "UTC Unisonic Tech JFETs, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "2SK508G-K51-AE3-R",
    "manufacturer": "UTC Unisonic Tech",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "JFETs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586189423301681152",
    "parts": {
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    "pins": [
      {
        "number": "1",
        "name": "S",
        "type": "passive",
        "description": "Source terminal of the N-channel JFET."
      },
      {
        "number": "2",
        "name": "D",
        "type": "passive",
        "description": "Drain terminal of the N-channel JFET. Absolute maximum VDSX = 15 V (VGS = -4.0 V); max ID (DC) = 50 mA."
      },
      {
        "number": "3",
        "name": "G",
        "type": "input",
        "description": "Gate terminal of the N-channel JFET. VGSO absolute max = -15 V; gate cut-off voltage VGS(off) typically -1.4 V."
      }
    ],
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        "pages": 3,
        "sha256": "f730d6a9833e481a",
        "source_tier": "lcsc"
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      "pins": {
        "total": 3,
        "described": 3,
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        "refuses_to_fabricate": true
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      "footprint": "viewers/footprint.html"
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        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UTC Unisonic Tech",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    }
  },
  "variants": [
    {
      "mpn": "2SK508G-K51-AE3-R",
      "kind": "packaging"
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    {
      "mpn": "2SK508G-K52-AE3-R",
      "kind": "unknown"
    },
    {
      "mpn": "2SK508G-K53-AE3-R",
      "kind": "unknown"
    },
    {
      "mpn": "2SK508L-K51-AE3-R",
      "kind": "unknown"
    },
    {
      "mpn": "2SK508L-K52-AE3-R",
      "kind": "unknown"
    },
    {
      "mpn": "2SK508L-K53-AE3-R",
      "kind": "unknown"
    }
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  "discovery_pitch": "2SK508G-K51-AE3-R (UTC Unisonic Tech) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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  "updated_at": "2026-09-24T14:37:30.859Z"
}