The Branson CJ‑20 Converter (EDP No. 101‑135‑059) is a 20 kHz ultrasonic converter designed for Branson 2000, 2000X, and DCX series welding systems, including IW, actuator, and assembly‑stand configurations. Both OEM units and high‑quality aftermarket replacements offer rugged performance, precision assembly, and superior durability.