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2SK508G-K51-AE3-R
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UTC Unisonic Tech JFETs, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+49@@ -0,0 +1,49 @@+# 2SK508G-K51-AE3-R++**UTC Unisonic Tech** · JFETs · SOT-23++2SK508G-K51-AE3-R from UTC Unisonic Tech, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | S | passive | Source terminal of the N-channel JFET. |+| 2 | D | passive | Drain terminal of the N-channel JFET. Absolute maximum VDSX = 15 V (VGS = -4.0 V); max ID (DC) = 50 mA. |+| 3 | G | input | Gate terminal of the N-channel JFET. VGSO absolute max = -15 V; gate cut-off voltage VGS(off) typically -1.4 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | UTC Unisonic Tech |+| Package | SOT-23 |+| Category | Transistors/Thyristors |+| Pins | 3 |++## Ordering variants++Same part, different packaging or reel option.++- `2SK508G-K51-AE3-R`+- `2SK508G-K52-AE3-R`+- `2SK508G-K53-AE3-R`+- `2SK508L-K51-AE3-R`+- `2SK508L-K52-AE3-R`+- `2SK508L-K53-AE3-R`++## CAD (KiCad official)++- Symbol: `2SK508G-K51-AE3-R`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [UTC Unisonic Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586189423301681152) (3 pp, sha256 `f730d6a9833e481a`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/2sk508g-k51-ae3-r-datasheet.pdf)
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