RALEIGH, NC - Stackpole's EWT series of vitreous enamel coated tubular wirewounds is a good choice for high-power load-dump applications. It is available in power ratings from 25 watts up to 300 watts. he vitreous enamel coating withstands temperatures of up to 500C and allows operating temperatures up to 350C. The EWT's robust wire element withstands thousands of high power load dumps without failure or significant resistance shift. Available resistance values range from 1 ohm to 240K ohm in tolerances of 5% or 10%. Many common resistance values in the popular 25W, 50W, 100W, and 225W sizes are currently available from stock.
Typical applications include high power motor controls, welding equipment, plasma cutters, power supplies and drilling equipment. Pricing for standard configurations varies depending on size and tolerance and ranges from $3.50 each to $19 each in minimum quantities. Contact Stackpole or one of our franchised distributors for volume pricing.
For more information, visit www.seielect.com.