WE-GFH High Frequency Power & Filter Inductors Würth Elektronik WE-GFH High-Frequency Power and Filter Inductors are chip SMD inductors with higher current capability and low loss and are especially suitable for filtering in high-frequency applications. These inductors utilize improved materials that offer less attenuation of the information signal and better soldering properties due to the optimized geometry of solder terminals. Würth WE-GFH High-Frequency Power and Filter Inductors are designed for filtering disturbance near the operation frequency in the 100kHz to 1GHz range.