0.7 to 2.7 GHz Triple SPST (3xSPST) Shunt MIPI® Antenna Tuning Switch

The SKY19237-001 is a wafer level chip scale package (WLCSP) triple-shunt, single-pole, single-throw (3xSPST) switch with integrated logic and bias block. The three paths are connected on one side to a single RF ground bump.

The part is designed to sustain a peak voltage of 83 V typical without going to breakdown.

The switching is controlled by an integrated Mobile Industry Processor Interface (MIPI) decoder.

The SKY19237-001 is provided in a compact 11-bump, 1.66 × 1.75 × 0.5 mm (typical) WLCSP that meets requirements for board-level assembly. Bump diameters are 262 µm, with a minimum bump pitch of 400 µm.


Description (Absorptive/ Reflective)3xSPST
Replacement Part SKY59272-707LF
Frequency (GHz) Min.0.7
Frequency (GHz) Max.2.7
RON (Ω)2.1
COFF (fF)190
Vpk (V)83
Control LogicMIPI
PackageWLCSP, 11-bump
Package (mm)1.6 x 1.6 x 0.5


  • Broadband frequency range: 0.7 to 2.7 GHz
  • Vpeak: 83 V
  • RON: 2.1 Ω
  • COFF: 190 fF
  • Three USIDs with single pin
  • Supply voltage: 2.5 to 4.8 V
  • Control logic: MIPI
  • Ultra-small WLCSP (11-bump, 1.685 × 1.775 × 0.547 mm [maximum], 262 µm diameter, 400 µm pitch) package (MSL1, 260 °C per JEDEC J-STD-020)

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Mobile Antenna Management

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