SKY13575-639LF Buy Now
Dual-Band Matched SP4T WiFi Switch

The SKY13575-639LF is a dual-band single-pole, four-throw switch with an integrated 50 Ω match on all RF output ports. External DC blocking capacitors are required on the RF paths. The switch can operate over the temperature range of -40 °C to 90 °C.

Switching is controlled by two CMOS/TTL compatible control voltage inputs: VC1 and VC2. Depending upon the logic voltage level applied to the control pins, the RFC pin is connected to one of four switched RF outputs (RF1 to RF4) by a low insertion loss path, while the path between the RFC pin and the other RF pins is in isolation. The isolated ports are terminated to a 50 Ω load.

The SKY13575-639LF is packaged in a small, 14-pin, 1.6 x 1.6 x 0.45 mm QFN package.


  • Off ports matched to 50 Ω
  • Low insertion loss: 0.6 dB at 2.5 GHz, 1.1 dB at 6 GHz (typical)
  • High isolation: 40 dB at 2.5 GHz, 30 dB at 6 GHz (typical)
  • Integrated GPIO interface
  • Small QFN (14-pin, 1.6 x 1.6 x 0.45 mm) package (MSL1, 260 °C per JEDEC J-STD-020)
Data Sheets SKY13575-639LF: Dual-Band Matched SP4T WiFi Switch SKY13575_639LF_203270D.pdf (462 KB)
ProductName : SKY13575-639LF
Description (Absorptive/ Reflective) : SP4T (A)
Frequency (GHz) Min. : 0.1
Frequency (GHz) Max. : 6.0
RON (Ω) :
Typ. IL (dB) : 0.6
Typ. Isol. (dB) : 40
COFF (fF) :
Typ. IIP3 (dBm) : 55
Typ. IP1 dB (dBm) :
Vpk (V) :
Control Logic :
Package : QFN, 12L
Package (mm) : 1.6 x 1.6 x 0.45
Product Information:
Description: Broad Market
Frequency Max.: ≥5.9 GHz
Frequency Min.: ≥100 MHz and <200 MHz
Function: SP4T
Package Type: DFN, QFN, MLPD, MLPQ
Power Handling: ≥20 dBm and <30 dBm
Power Handling: <20 dBm
Status: In Production
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