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IEEE/IEC International Standard for Transformers and Inductors for use in Electronic and Telecommunication Equipment - Part 389: Measuring methods and test procedures
Revision Standard - Active.
This document describes a number of tests for use in determining the significant parameters and performance characteristics of transformers and inductors for use in electronics and telecommunication equipment.
These test methods are designed primarily for transformers and inductors used in all types of electronics applications that can be involved in any specification for such components.
Even though these tests could be applied supplementally for other types of transformers, such as those with larger power ratings used in the utility power industry, the tests discussed in this document are not intended to replace the tests in standards for those other transformers.
Some of the tests described are intended for qualifying a product for a specific application, while others are test practices used for manufacturing and customer acceptance testing.
The test methods described here include those parameters most commonly used in the electronics transformer and inductor industry: electric strength, resistance, power loss, inductance, impedance, balance, transformation ratio and many others used less frequently.
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