I'm used a EPCOS EC 90 X as discharger for max. 100 W-TX-power.
The attenuation between 1 MHz and 150 MHz is good.
The math to 50 Ohm is verry good for the shortwave-range (SWR better 1:1,1).
The math to 50 Ohm on the 2 mb-VHF-range is not so good (SWR better 1:1,6).