SKY12325-350LF from Skyworks Solutions, in a WQFN-16-EP(3x3). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	N/C	unconnected	No connection.
2	J1	passive	RF input or output port; an external 47 pF (recommended value) DC blocking capacitor is required.
3	N/C	unconnected	No connection.
4	N/C	unconnected	No connection.
5	GND	power_in	Ground; the exposed paddle must also be grounded.
6	GND	power_in	Ground.
7	GND	power_in	Ground.
8	N/C	unconnected	No connection.
9	N/C	unconnected	No connection.
10	N/C	unconnected	No connection.
11	J2	passive	RF input or output port; an external 47 pF (recommended value) DC blocking capacitor is required.
12	N/C	unconnected	No connection.
13	V1	input	High-impedance control voltage input for the 4 dB (MSB) bit; logic High is +2.7 V to 5.5 V and Low is -0.2 V to +0.2 V per the Table 4 note.
14	V2	input	High-impedance control voltage input for the 2 dB bit; logic High is +2.7 V to 5.5 V and Low is -0.2 V to +0.2 V per the Table 4 note.
15	V3	input	High-impedance control voltage input for the 1 dB (LSB) bit; logic High is +2.7 V to 5.5 V and Low is -0.2 V to +0.2 V per the Table 4 note.
16	VDD	power_in	Supply voltage; 2.7 V to 5.5 V operating per Table 3, with an absolute maximum of 6 V.
17	EP	passive	Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter	Value
Manufacturer	Skyworks Solutions
Package	WQFN-16-EP(3x3)
Category	Radio Frequency Chip/Antenna
Pins	17

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
Insertion loss	IL		0.7	0.9	dB	0.5 to 3.0 GHz	3
Insertion loss	IL		0.9	1.1	dB	3.0 to 4.5 GHz	3
Insertion loss	IL		1.3	1.5	dB	4.5 to 6.0 GHz	3
Return loss	RL	15			dB	0.5 to 3.5 GHz	3
1 dB Input Compression Point	IP1dB	24			dBm	0.5 to 6.0 GHz, VDD = 3 V	3
1 dB Input Compression Point	IP1dB	27			dBm	0.5 to 6.0 GHz, VDD = 5 V	3
3rd Order Input Intercept Point	IIP3	44			dBm	0.5 to 6.0 GHz, two-tone input power +5 dBm/tone, Δf = 1 MHz, VLOW = 0 V, VHIGH = 3 V	3
3rd Order Input Intercept Point	IIP3	47			dBm	0.5 to 6.0 GHz, two-tone input power +5 dBm/tone, Δf = 1 MHz, VLOW = 0 V, VHIGH = 5 V	3
Control voltage Low	VCTL_L	0		0.8	V		3
Control port current	ICTL			50	μA	VCTL_L	3
Supply voltage	VS	2.7		5.5	V		3
RF input power	PIN			30	dBm		2
Supply voltage	VS			6	V		2
Control voltage	VCTL	0		6	V		2
Operating temperature	TOP	-40		85	°C		2
Storage temperature	TSTG	-65		150	°C		2

CAD (KiCad official)

Symbol: SKY12325-350LF
Footprint: Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm
3D model: WQFN-16-EP(3x3) (KiCad packages3D, STEP)
3D model files: sky12325-350lf-etched.step / sky12325-350lf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sky12325-350lf.step / sky12325-350lf.glb are the bare package body.

Provenance

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

Datasheet: Skyworks Solutions datasheet (8 pp, sha256 14a145175f3f5bf4, retrieved 2026-10-31, tier: manufacturer)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (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

SKY12325-350LF

Verified SKY12325-350LF

Verification log 1 record

3D Model

Symbol & Footprint

Schematic Symbol

PCB Footprint

Datasheet

README