IEC 60477-2 Ed. 2.0 b:2022

Current Revision

Laboratory resistors - Part 2: Laboratory AC resistors

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IEC 60477-2 Ed. 2.0 b:2022

Name: IEC 60477-2 Ed. 2.0 b:2022 – Laboratory resistors - Part 2: Laboratory AC resistors
Brand: International Electrotechnical Commission
SKU: IEC 60477-2 Ed. 2.0 b:2022
Price: 264.88 USD
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Laboratory resistors - Part 2: Laboratory AC resistors

PUBLISH DATE 2022

PAGES 58

Laboratory resistors - Part 2: Laboratory AC resistors

IEC 60477-2:2022 applies to resistors intended as laboratory AC resistors for use over a range of frequencies from DC up to a stated frequency which is not in excess of 1 MHz. Such resistors are hereinafter referred to as "AC resistors".

In addition to satisfying the requirements of IEC 60477-1, resistors satisfying the requirements of this document are designed to have a small variation of resistance and a small phase displacement over the stated frequency range.

IEC 60477-2:2022 cancels and replaces the first edition published in 1979, and Amendment 1:1997. This edition constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous edition:

extended the AC resistor frequency range to 1 MHz;
updated the terms and definitions according to IEC 60050 series;
added the definition of AC/DC difference of an AC resistor;
added the resistor classification according to the AC resistance or AC/DC difference index;
updated the classification according to the AC resistor construction;
updated the safety symbols and requirements according to IEC 60477-1;
added the three-element equivalent circuits of an AC resistor in Annex C;
added the annex on constructions of AC resistors.