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2SK3666G-3-AE3-R

Public Made by Adom

by adom

UTC Unisonic Tech JFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
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docs 2sk3666g-3-ae3-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
viewers 2sk3666g-3-ae3-r: viewers · Ray 1mo ago
2sk3666g-3-ae3-r-etched.fit.json 2sk3666g-3-ae3-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
2sk3666g-3-ae3-r-etched.glb 2sk3666g-3-ae3-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
2sk3666g-3-ae3-r-etched.step 2sk3666g-3-ae3-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
2sk3666g-3-ae3-r.glb Publish 0.1.0 · Ray 1mo ago
2sk3666g-3-ae3-r.kicad_mod Publish 0.1.0 · Ray 1mo ago
2sk3666g-3-ae3-r.kicad_sym Publish 0.1.0 · Ray 1mo ago
2sk3666g-3-ae3-r.lbr Publish 0.1.0 · Ray 1mo ago
2sk3666g-3-ae3-r.step Publish 0.1.0 · Ray 1mo ago
package.json 2sk3666g-3-ae3-r: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray 1mo ago
page.json 2sk3666g-3-ae3-r: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray 1mo ago
README.md Initial commit: component/2sk3666g-3-ae3-r · Ray 1mo ago

2SK3666G-3-AE3-R

UTC Unisonic Tech · JFETs · SOT-23

2SK3666G-3-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 with maximum drain-source voltage of 30V and maximum continuous drain current of 10mA.
2 D passive Drain terminal with maximum drain-source voltage of 30V and drain-source leakage current of 0.6-6.0mA at VDS=10V, VGS=0V.
3 G input Gate control input terminal with maximum gate current of 10mA and gate-source leakage current of −1.0nA at VGS=−20V, VDS=0V.

Key specifications

Parameter Value
Manufacturer UTC Unisonic Tech
Package SOT-23
Category Transistors/Thyristors
Pins 3

CAD (KiCad official)

  • Symbol: 2SK3666G-3-AE3-R
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: 2sk3666g-3-ae3-r-etched.step / 2sk3666g-3-ae3-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sk3666g-3-ae3-r.step / 2sk3666g-3-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 28aa6e1134e41644, retrieved 2026-09-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF