XW01Y sot23-6 from Sam wing, in a SOT-23-6. 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	VDD	power_in	Positive supply input. Operating range 2.5V to 5.5V. A 100nF decoupling capacitor plus a 20 ohm series resistor from the main VDD rail are recommended per the typical application circuit.
2	GND	power_in	Ground / negative supply reference.
3	OUT	output	Open-drain touch detection output. High-impedance (pulled high via external pull-up, typ. 10k ohm to VDD) when no touch is detected; drives low when a touch is detected. Low-level output impedance ~50 ohm; sink current up to 10 mA at VDD=5V.
4	C2	passive	Reference capacitor pin. Sets the baseline capacitance for touch comparison; C2 should be slightly larger than the total parasitic capacitance on KEY (typically ~10 pF, high-precision COG/NPO recommended). A touch is detected when KEY capacitance exceeds C2 by >0.2 pF.
5	KEY	input	Touch sensing input. Connects to the sense pad through a 2k ohm series resistor (RX). A sensing capacitor CSEL to GND at the pad node sets sensitivity together with RX.
6	C1	passive	Internal balance capacitor interface. Connect a 4.7 nF capacitor (range 1 nF-10 nF) to GND, placed close to the chip.

Key specifications

Parameter	Value
Manufacturer	Sam wing
Package	SOT-23-6
Category	Sensor
Pins	6

CAD (KiCad official)

Symbol: XW01Y sot23-6
Footprint: Package_TO_SOT_SMD:SOT-23-6
3D model: SOT-23-6 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File	Size	Use it when
`xw01y-sot23-6.step`	97 KB	You want the bare part, or you mark your own boards.
`xw01y-sot23-6-etched.step`	2.2 MB	You want the part with `XW01Y sot23-6` already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 544 faces against 117 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

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

Datasheet: Sam wing datasheet (8 pp, sha256 f172f8258d8df9e6, retrieved 2026-08-17, tier: lcsc)
Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
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