Related Manuals for Hitachi AN072803-1
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...