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SP3A Fusing Wirewound Resistor


RALEIGH, NC (April 19, 2016) – The SP3A Series from Stackpole is an axial leaded 4W wirewound resistor designed for applications requiring good surge handling and fusibility to prevent significant heat generation or fire. The SP3A can survive hundreds of 3KV surges of less than 50 microseconds without failing or significantly shifting resistance. Additionally, the SP3A will fuse quickly and without flame or significant heat when subjected to continuous overloads of 120VAC or more. Stackpole's proprietary design allows for fast fusing without sacrificing short term pulse handling.

The SP3A is designed to fulfill all of the requirements of many UL tests for resistors. Applications for the SP3A include motor controls and protection, audio equipment, instrumentation protection, and lighting.

Pricing for the SP3A ranges from $0.18 to $0.25 each in full reel quantities. Contact Stackpole or one of our franchised distributors for volume pricing. Many popular resistance values are in currently in stock.


For more information about Stackpole products, contact Stackpole Electronics, Inc. at

Stackpole Electronics, Inc.
2700 Wycliff Road Suite 410,
Raleigh NC 27607
phone: 919-850-9500

Stackpole Electronics Inc. is a leading global manufacturer of resistors supplying to the worlds largest OEMs, contract manufacturers and distributors. Headquartered in Raleigh, N.C., the privately held company began manufacturing in 1928 as part of Stackpole Carbon Company in St. Mary's, Pennsylvania. Now part of the Akahane Stackpole Manufacturing Group (ASMG), Stackpole has manufacturing facilities in Japan, Taiwan, China and Mexico; warehousing facilities in El Paso, Shenzhen and Japan; and international sales offices in Tokyo, Taipei, London, Hong Kong and Shenzhen.


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