Vishay VJ Series Hi Frequency Multilayer Ceramic. The Vishay Surface Mount Multilayer VJ Hi Frequency Ceramic Chip Capacitor range offers an ultra stable dielectric material. Features and Benefits:. Low loss performance in systems up to the GHz range. High Frequency. Applications:. Broadband Wireless and Satellite Communications, WiFi and WiMax systems, VoIP and Cellular base stations, RF and microwave, Medical instrumentation and test, Military devices