WP Series Ultra-Precision Wirewound Resistors

PublishTime：2022-04-27

■VPR's ultra-precision resistors should be used wherever there is a requirement for extremely tight tolerances, temperature coefficients or a combination of both. These resistors are wound on bobbins of molded epoxy with a single strand of nickel-chromium wire. This wire has no soldered or welded splices that will cause problems after the circuit is in the field. All parts are wound on reversed bi-segmented bobbins to eliminate any possible inductance.
■Tension is controlled and kept to a minimum while the winding process takes place to keep out any possible fatigue problems. The windings are then relieved of stresses by extensive aging before calibration and termination operations. The resistors are then given a silicon buffer coat before the final epoxy molding occurs, resulting in a case size that is extremely consistant from part to part. Marking is then done alpha-numerically with a type of epoxy ink that will withstand any of the cleaning or degreasing solvents. All WP series parts are RoHS compliant.

Brand of Product：	Codeco Corporation
Part#：	WP Series 、 SWP-2 、 SWP-3 、 SWP-4 、 SWP-5 、 SWP-6 、 SWP-7 、 SWP-12 、 SWP-13 、 SWP-15 、 WP-100 、 WP-101 、 WP-102 、 WP-103 、 WP-104 、 WP-105 、 WP-106 、 WP-107 、 WP-108 、 WP-120 、 WP-121 、 WP-129 、 WP-139A 、 WP-153 、 PWP-100 、 PWP-101 、 PWP-104 、 PWP-120 、 PWP-130 、 PWP-131 More Part#
Product Category：	Ultra-Precision Wirewound Resistors 、 Resistors 、 ultra-precision resistors More
Application：	More
Data Type：	Datasheet More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
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Language：	English Chinese Chinese and English Japanese
Date of Creation：	2007/10/6
Version Number：
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Data Size：	144 KB

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