High-Linearity Dual PIN Diode Limiter 0.6 to 6.0 GHz

The SKY16603-632LF is a fully integrated dual PIN diode high-linearity limiter module in a surface-mount package. It is designed for use as a passive receiver protector in wireless or other RF systems for frequencies up to 6 GHz. It features a low limiting threshold, low-insertion loss, excellent IIP3, and low IM distortion in a Dual Flat No Lead (DFN) package.

The SKY16603-632LF module is comprised of dual PIN limiter diodes and two DC blocking caps at the RF ports in a 2-lead DFN.

The small package design reduces printed circuit board area. The module can operate over the operating temperature range of -40˚C to +105˚C.

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RF Test Frequency (GHz)2.6
Typical Insertion Loss (dB) Pin = 0 dBm0.3
Typical Return Loss (dB) Pin = 0 dBm22
Typical Threshold Level (dBm)8
Maximum Saturated Power (Watts)3.1
Typical Flat Leakage Power (dBm)9 (Pin=+15 dBm)
Package (mm)2.3 X 2.3


  • Optimized for 0.6 to 6.0 GHz operation
  • Low limiting threshold (+8 dBm typical)
  • Low insertion loss
  • Excellent IIP3 and low IM distortion
  • Integrated dual PIN limiter diodes and DC blocks
  • DFN (2-pin, 2.3 x 2.3 mm) Pb-free package, (MSL1, 260°C per JEDEC J-STD-020)

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