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T60004-L2050-W626 Datasheet(PDF) 4 Page - List of Unclassifed Manufacturers |
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T60004-L2050-W626 Datasheet(HTML) 4 Page - List of Unclassifed Manufacturers |
4 / 16 page 0 10 20 30 40 50 0.001 0.01 0.1 1 10 frequency [MHz] 1-phase CMC Core: VITROPERM 500F 25 x 20 x 10mm N = 2 x 28 turns (0.71mm / AWG 21) separator: 5 mm simple winding design, CW=21pF HF optimized winding design, Cw = 4pF 16dB NF stage HF stage standard 2-stage EMI-Filter Optimized 1-stage EMc-Fil- ter with VITROPERM Our CMCs feature high attenuation which is maintained across a wide frequency range offe- ring extremely broadband attenuation. In many cases, this characteristic can allow a reduction of the number of filter stages in multistage EMC filter configurations to reduce complexity, cost and filter volume. Ohmic (copper) losses are also reduced increasing the efficiency and lowe- ring component temperature. VACUUMSCHMELZE has extensive practical and theo- retical expertise in the design of CMCs and filter confi- guration using nanocrystalline cores and components. At higher frequencies, the winding configuration has a major effect on the parameters of winding capacitance and leakage inductance and is therefore carefully con- sidered in our choke designs. Figure 4 shows a compa- rison of insertion loss for two chokes which differ only in their winding configuration (core material, number of turns and wire thickness are identical in both cases). This illustrates how our design expertise can improve filter efficiency, maximize reliability and reduce costs. Nanocrystalline cores are widely used in common mode choke (cMc) applications due to their unique combination of properties. By utilising low-cost raw materials (Fe-based) and modern, large-scale pro- duction, VITROPERM is a very competitive solution for a wide range of applications. Key areas of appli- cation are: common mode • switched-mode power supplies (sMPs) • solar inverters • Frequency converters • EMc filters • Welding equipment • Wind generators • Induction hobs • automotive applications • uninterruptable power supplies (uPs) Fig. 3: Nanocrystalline chokes allow a reduction of filter stages Fig. 4 : Optimized choke design: improved attenuation of up to 16 dB (or more) at 4 MHz. chokes & tape-wound cores 4 NaNOcRysTallINE VITROPERM / EMc PROducTs |
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