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Hitachi AN072803-1 Application Note

Emi filters for ce noise compliance.
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Application Note:
EMI Filters for CE Noise
Compliance
Please refer also to the
Inverter Instruction Manual
AN072803-1
Hitachi America, Ltd.
© 2003 Hitachi America, Ltd.

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   Summary of Contents for Hitachi AN072803-1

  • Page 1

    Application Note: EMI Filters for CE Noise Compliance Please refer also to the Inverter Instruction Manual AN072803-1 Hitachi America, Ltd. © 2003 Hitachi America, Ltd.

  • Page 2

    EMI Filters for the SJ300/L300P NF-CEH Series The following describes the components Hitachi offers to meet CE EMI requirements, Class A and Class B. The NF-CEH Filters provide EMI attenuation to meet Class A. The addition of the FC-H Ferrite will provide attenuation sufficient to meet Class B. If you have further questions, please contact Hitachi or your Authorized Sales Representative.

  • Page 3

    2. Ferrite Core A ferrite core is required to meet class B limits. Model Name Model Code Applicable EMI filters Weight kg(lbs.) FC-H40 1694-6330 NF-CEH7 to NF-CEH40 0.15(0.33) FC-H300 1694-6331 NF-CEH50 to NF-CEH300 0.25(0.55) 3. Conformity to EMC Directive Model Name EMC Class B Limits EMC Class A Limits SJ300...

  • Page 4

    5. Dimensions [NF-CEH7 to CEH40] [Unit: mm]...

  • Page 5

    [Ferrite Core FC-H40] [Unit: mm] Model Name Dimensions (Unit: mm) FC-H40 51.5 24.5 18.0 34.0 [Ferrite Core FC-H300] [Unit: mm]...

  • Page 6

    6. Noise Reduction Data (1) SJ300-055HFE(U) without a noise filter...

  • Page 7

    (2) SJ300-055HFE(U) with NF-CEH20 and FC-H40...

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Sj300-055hfeSj300-055hfeu

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