component
SKY12325-350LF
Public Made by Adomby adom
Skyworks Solutions RF attenuator, WQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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SKY12325-350LF
Skyworks Solutions · RF attenuator · WQFN-16-EP(3x3)
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sky12325-350lf.step/sky12325-350lf.glbare 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, primaryclaude-haiku-5-5(text), consensusclaude-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).
# SKY12325-350LF
**Skyworks Solutions** · RF attenuator · WQFN-16-EP(3x3)
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](docs/sky12325-350lf-datasheet.pdf) (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](docs/sky12325-350lf-datasheet.pdf)