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ASTM A1013-00(2020)

Current Reaffirmation

Standard Test Method for High-Frequency (10 kHz-1 MHz) Core Loss of Soft Magnetic Core Components at Controlled Temperatures Using the Voltmeter-Ammeter-Wattmeter Method

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1.1 This test method covers the equipment, procedures, and measurement of core loss of either toroidal or mated soft magnetic core components, such as soft ferrite cores, iron powder cores, and so forth, over ranges of controlled ambient temperatures typically from −20 to +120°C, frequencies from 10 kHz to 1 MHz, under sinusoidal flux conditions.

1.2 The values and equations stated in customary (cgs-emu and inch-pound) or SI units are to be regarded separately as standard. Within this test method, SI units are shown in brackets except for the sections concerning calculations where there are separate sections for the respective unit systems. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with this standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


4.1 This test method is designed for testing of either toroidal or mated soft magnetic core components over a range of temperatures, frequencies, and flux densities.

4.2 The reproducibility and repeatability of this test method are such that it is suitable for design, specification acceptance, service evaluation, and research and development.

SDO ASTM: ASTM International
Document Number A1013
Publication Date June 1, 2020
Language en - English
Page Count 5
Revision Level 00(2020)
Supercedes
Committee A06.01
Publish Date Document Id Type View
Oct. 10, 2000 A1013-00 Revision
June 1, 2020 A1013-00R20 Reaffirmation
May 1, 2013 A1013-00R13E01 Reaffirmation
Nov. 1, 2005 A1013-00R05 Reaffirmation