Vishay Intertechnology 2-Way Wilkinson Divider/Combiner Increases Efficiency, Saves Space in Aerospace, Defense and Connectivity Applications

Why It Matters

The device’s low loss and space‑saving architecture improve system efficiency and reduce bill of materials for next‑gen radar, 5G/6G and satellite platforms, accelerating time‑to‑market for defense and communications OEMs.

Key Takeaways

• WLKN-000 operates 15‑20 GHz with <0.5 dB insertion loss.
• Integrated 3‑port SMD saves board space and reduces components.
• Isolation >20 dB at center frequency minimizes crosstalk in RF paths.
• Works from –55 °C to +155 °C, suitable for harsh aerospace environments.
• 20‑week lead time; samples and production now available.

Pulse Analysis

The Wilkinson power divider has long been a workhorse in RF front‑ends, offering a simple way to split or combine signals while maintaining good isolation. As 5G, 6G, and satellite constellations push frequencies higher, designers demand components that can operate across broader bands without sacrificing efficiency. Vishay’s new WLKN‑000 arrives at a time when aerospace and defense programs are consolidating multiple RF paths onto ever‑smaller printed‑circuit boards. By delivering performance from 15 GHz to 20 GHz, the part aligns with the frequency windows used for Ka‑band satellite links, phased‑array radars and emerging millimeter‑wave communications.

The WLKN‑000 distinguishes itself with an insertion loss under 0.5 dB below 19 GHz, a figure that rivals or exceeds many discrete resistor‑based solutions. Its integrated three‑port SMD package eliminates the need for external baluns, matching networks and additional isolation components, translating directly into reduced board real estate and lower part counts. The >20 dB output‑to‑output isolation at the center frequency curtails crosstalk, protecting downstream amplifiers during simultaneous transmit and receive operations. Moreover, the device’s wide temperature range (‑55 °C to +155 °C) and RoHS‑compliant, halogen‑free construction meet the stringent reliability standards of military and space applications.

From a business perspective, the WLKN‑000’s quick availability—samples now and a 20‑week production lead time—offers OEMs a fast path to integrate high‑performance RF splitting into upcoming programs. The ability to customize specifications such as band limits or insertion loss further broadens its appeal across diverse platforms, from automotive ADAS radars to LEO satellite payloads. Vishay’s emphasis on thin‑film technology and Green manufacturing reinforces its position in a market increasingly focused on sustainability and supply‑chain resilience. As demand for compact, low‑loss RF front‑ends accelerates, the WLKN‑000 is poised to become a staple component in next‑generation connectivity and defense systems.