2.4 to 2.5 GHz SP3T Switch

The SKY13586-678LF is a single-pole, triple-throw (SP3T) antenna switch for 2.4 GHz WiFi applications. Switching between the antenna (RFC signal) and the RF1, RF2, and RF3 ports is accomplished with two control voltages (V1 and V2).

The low loss, high isolation, high linearity, small size, and low cost make this switch ideal for all WLAN and Bluetooth systems operating in the 2.4 to 2.5 GHz band.

The SKY13586-678LF has integrated DC blocking capacitors, so external DC blocking capacitors are not required.

The SKY13586-678LF is manufactured in a compact, 1.1 x 1.1 x 0.33 mm, 8-pin Micro Leadframe package (MLP).


Product LifecycleIn Production
Description (Absorptive/ Reflective)SP3T (R)
Frequency (GHz) Min.2.4
Frequency (GHz) Max.2.5
Typ. IL (dB)0.75
Typ. Isol. (dB)35
Typ. IIP3 (dBm)46
Typ. IP1 dB (dBm)29
Control Logic
PackageMLPD, 8L
Package (mm)1.1 x 1.1 x 0.33


  • Positive low voltage control: 0/1.8 to 3.6 V
  • Insertion loss: 0.75 dB @ 2.5 GHz (typical)
  • High isolation: 35 dB @ 2.5 GHz (typical)
  • 1.8 V and 3.3 V logic compatibility
  • Wide 3 to 5 V supply voltage range
  • Integrated DC blocking capacitors
  • Miniature, ultra-thin MLP (8-pin, 1.1 x 1.1 x 0.33 mm) package (MSL1, 260 °C per JEDEC J-STD-020)

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