ASTM A1009-05

    Standard Specification for Soft Magnetic MnZn Ferrite Core Materials for High Frequency (10 kHz-1 MHz) Power Transformer and Filter Inductor Applications


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    1. Scope

    1.1 This specification covers the requirements to which the specified grades of soft magnetic MnZn ferrite materials shall conform. Cores made from these materials are used primarily in power transformers and filter inductors.

    1.2 The values stated in customary (cgs-emu and inch-pounds) units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units, which are provided for information only and are not considered standard.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    A340 Terminology of Symbols and Definitions Relating to Magnetic Testing

    A1013 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


    ICS Code

    ICS Number Code 29.100.10 (Magnetic components)

    UNSPSC Code

    UNSPSC Code 31380000(Magnets and magnetic materials)


    Referencing This Standard
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    DOI: 10.1520/A1009-05

    Citation Format

    ASTM A1009-05, Standard Specification for Soft Magnetic MnZn Ferrite Core Materials for High Frequency (10 kHz-1 MHz) Power Transformer and Filter Inductor Applications, ASTM International, West Conshohocken, PA, 2005, www.astm.org

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