These high ruggedness devices, MRFE6VP61K25H, MRFE6VP61K25HS and MRFE6VP61K25GS, are designed for use in high VSWR industrial (including laser and plasma exciters), broadcast (analog and digital), aerospace and radio/land mobile applications. They are unmatched input and output designs allowing wide frequency range utilization, between 1.8 and 600 MHz.