4W wirewound resistors provide good surge handling

Posted By : Nat Bowers
4W wirewound resistors provide good surge handling

Designed for applications requiring good surge handling and fusibility to prevent significant heat generation or fire, the SP3A series has been announced by Stackpole Electronics. The axial leaded 4W wirewound resistors can survive hundreds of 3kV surges of less than 50µs without failing or significantly shifting resistance. They will also 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 series is designed to fulfil all of the requirements of many UL tests for resistors. Applications for the resistors include motor controls and protection, audio equipment, instrumentation protection and lighting.

Pricing for the SP3A series ranges from $0.18 to $0.25 each in full reel quantities.

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