W2DU 1:1 HF Wire Baluns
W2DU Choke Baluns owe their extremely high power capability to the fact that they contain no ferrite cores to saturate. Even at high SWR levels, the W2DU baluns won't generate harmonic radiation. The internal feedline passes through ferrite beads which prevent RF current from flowing on the coax shield. This 50 ohm 1:1 Balun models covers HF from 1.8-30 MHz. At 10 MHz, the HF model handles over 10 KW PEP at VSWRs up to 2:1. The W2DU balun has a built-in lightning arrestor, center hang up hook, and 600 lbs of pull-apart strength in a weatherized, rugged package with stainless steel hardware. The W2DU is 13" long by 1.5" diameter and weighs only 9 oz. An SO-239 UHF connector which accepts a standard PL-259 is mounted on the Balun bottom. Coaxial W2DU Line-Isolator versions are also available for use in-line with coax cables which is ideal for verticals and use with existing beams & quads.
Catalog # Item Description Unit Price
W2DU W2DU HF 1:1 Choke Balun, Wire Mounting $30.95