Hammond's 159ZG D.C. reactor or filter choke is an economical solution for various applications, particularly in high voltage power supply filtering. The open bracket design allows for easy mounting, and the unit is vacuum impregnated with polyurethane varnish for quiet and long life operation. Each unit undergoes 100% Hipot testing at 1,500 VAC ensuring reliability. Specifications include 15mH inductance, 4.0A D.C. current capacity, and 0.25 ohms resistance.