Wurth 0402 WE-KI Series Wirewound Ceramic InductorsWurth WE-KI Series 0402 SMD wire-wound ceramic inductors have been designed for high frequency applications. They offer the highest possible self resonant frequencies up to 12.5 GHz alongside an excellent Q factor and high thermal stability. Other applications for these ceramic inductors include wireless LAN, Bluetooth and RF transceiver/communications. Reflow soldering is recommended for these products.