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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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Generated by kicad-footprint-generator · KiCad file format 20260206
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docs 2sk508g-k51-ae3-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
viewers 2sk508g-k51-ae3-r: viewers · Ray 1mo ago
2sk508g-k51-ae3-r-etched.fit.json 2sk508g-k51-ae3-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
2sk508g-k51-ae3-r-etched.glb 2sk508g-k51-ae3-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
2sk508g-k51-ae3-r-etched.step 2sk508g-k51-ae3-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
2sk508g-k51-ae3-r.glb Publish 0.1.0 · Ray 1mo ago
2sk508g-k51-ae3-r.kicad_mod Publish 0.1.0 · Ray 1mo ago
2sk508g-k51-ae3-r.kicad_sym Publish 0.1.0 · Ray 1mo ago
2sk508g-k51-ae3-r.lbr Publish 0.1.0 · Ray 1mo ago
2sk508g-k51-ae3-r.step Publish 0.1.0 · Ray 1mo ago
package.json Publish 0.1.0 · Ray 1mo ago
page.json 2sk508g-k51-ae3-r: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray 1mo ago
README.md 2sk508g-k51-ae3-r: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 1mo ago

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)
  • 3D model files: 2sk508g-k51-ae3-r-etched.step / 2sk508g-k51-ae3-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sk508g-k51-ae3-r.step / 2sk508g-k51-ae3-r.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: UTC Unisonic Tech datasheet (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