Non-Flammable Edgewound Tubular Wirewound Vitreous Enamel Coating Resistor EWT

Product catalog summary

Overview: The document provides technical specifications for the SWT/EWT series of non-flammable edgewound tubular wirewound resistors by Stackpole Electronics, Inc. These resistors are designed for high current applications and are RoHS compliant.

Features:

High current capability
RoHS compliant and lead-free
Non-inductive style available with silicone coating (NSWT)
Suitable for soldering or thru bolt connections
Wirewound ribbon on ceramic substrate
SWT series with silicone coating can handle temperatures up to 350ºC
EWT series with vitreous enamel coating can handle temperatures up to 500ºC
Adjustable version available (SWTA)

Electrical Specifications:

Power ratings range from 12W to 1300W at 70ºC
Ohmic range varies by model, with tolerances of 5% and 10%
Dielectric strength is 1,000 VAC for SWT12/EWT12 and 2,500 VAC for other models

Mechanical Specifications:

Dimensions are provided in both inches and millimeters for various models
Mechanical specifications are consistent across SWT and EWT series

Power Derating Curve: The document includes a power derating curve illustrating the percentage of rated power against ambient temperature, indicating performance adjustments needed at different temperatures.

Ordering Information:

Part numbers are structured to include type, power rating, resistance, tolerance, and packaging
Legacy part numbers are provided for reference

All Stackpole Electronics catalogs and technical brochures

Archived catalogs

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

Brand list