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adVaNcEd MaTERIals – THE KEy TO PROGREss EMc PROducTs NaNOcRysTallINE VITROPERM

VacuuMscHMElZE GmbH & co. KG (Vac) is a leading global manufacturer of modern magnetic alloys, cores and inductive compo - nents. Vac has supplied innovative solutions for electromagnetic compatibility (EMc) pro - tection for more than 30 years. EMc PROducTs NaNOcRysTallINE NaNOcRysTallINE VITROPERM / EMc PROducTs 2

Nanocrystalline VITROPERM alloys are based on Fe with si and B with Nb and cu addi - tives. Vac pioneered the development of rapid solidification technology resulting in the production of thin tapes or ribbons approximately 20 μm thick. special slitting and core winding machines produce tape-wound cores with external diameters ranging from 2 mm to 600 mm. a subsequent heat treatment at around 500 – 600 °c transforms the ini - tially amorphous microstructure of the tape into the desired nanocrystalline state. This being a two-phase structure with fine crystalline grains (average grain diameter of 10-40 nm) embedded in an amorphous residual phase. extending the possibilities of iron VITROPERM : VITROPERM nanocrystalline alloys are optimized to combine highest permeability and lowest coercive field strength. The combination of very thin tapes and the relatively high electrical resistance (1.1 – 1.2 μΩ m) ensure minimal eddy current losses and an outstanding frequency vs. permeability behaviour. Along with saturation flux density of 1.2 T and wide operational temperature range, these features com - bine to make VITROPERM a universal solution for most common EMC problems and vastly superior in many aspects to commonly used ferrite and amor - phous iron materials. Fig. 1: Rapid solidification technology is used to produce thin metal tapes with an amorphous structure (metallic glass). Fig 2: Crystalline structure, amorphous structure, nanocrystalline microstructure NaNOcRysTallINE VITROPERM / EMc PROducTs

0.001 0.01 0.1 1 10 insertion loss aE [dB] (50 Ohm System) 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 NaNOcRysTallINE VITROPERM / EMc PROducTs
  • small size
  • suitable for high currents and/or high voltages
  • single stage filter designs possible
  • High efficiency, low power loss
  • "Green“, environmentally friendly
  • suitable for high and low ambient temperatures and high operating temperatures
  • “Easy filter design”
  • ul-compliant designs
  • Optimized solutions for a variety of different applications
  • No operating noise
  • Best suited for winding of thick wires Features & benefits of VITRoPeRm High μ, high B s High μ, high B s, suitable core geometries Extremely broadband attenuation behaviour, high permeability, low-capacitance design, moderate reduction of μ up to high frequen - cies, low Q-factor in 150 kHz range Low number of turns required for high L, reduction of filter stages Low power loss, reduced use of material High Curie temperature, material properties (μ, Bs, λs) nearly independent of temperature Material properties ( μ, Bs, λs) nearly indepen - dent of temperature, linear magnetization curve delivers stable impedance across a broad range of common mode currents – VAC choke design software available Suitable plastic materials meet UL1446 insula - tion requirements A range of μ levels and VITROPERM alloys available Material is practically magnetostriction-free Material is practically magnetostriction-free, coatings/casings are resistant against mecha - nical stress NaNOcRysTallINE VITROPERM / EMc PROducTs

1,000 10,000 100,000 0.001 0.01 0.1 1 10 100 permeability |!| frequency [MHz] VITROPERM 500F typical Mn-Zn ferrite VITROPERM 250F 0.001 0.01 0.1 1 10 insertion loss aE [dB] (50 Ohm System) frequency [MHz] 1- phase CMC, core: 25 x 20 x 10 mm (VITROPERM) 25 x 15 x 10 mm (ferrite) typical ferrite CMC VITROPERM CMC due to the optimized high-frequency properties the insertion loss of our nanocrystalline common mode chokes is superior compared to that of a typical ferrite choke in the relevant frequency range. VITROPERM vs. ferrite Fig. 5: Comparison of insertion loss of VITROPERM and ferrite The properties of VITROPERM are very much diffe - rent from conventional ferrites. This has to be consi - dered in the filter design for optimal solutions. The main physical and magnetic characteristics are illus - trated in the following diagrams. Fig. 6: Frequency response of the permeability of VITROPERM 500F ( μ=40 000) and VITROPERM 250F (μ=5 000) in comparison to a typical MnZn ferrite ( μ=5 000). permeability The permeability of VITROPERM 500F is signifi - cantly higher than ferrite in the low frequency range. At higher frequencies the μ of both nanocrystalline materials remains above that of ferrites. A high choke impedance is preferred for a high attenuation. This can be achieved more effectively by using high permeability core materials than by increasing the number of turns, as a lower number of turns results in lower winding capacitance and hence improved HF properties. NaNOcRysTallINE VITROPERM / EMc PROducTs

-1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 B [ T ] H [A/cm] typical ferrite VITROPERM 500F ! = 80 000 ! = 30 000 ! = 20 000 VITROPERM 250F ! = 5000 [Seite 1/1] E 100 1,000 10,000 100,000 0.001 0.01 0.1 1 10 permeability ! frequency [MHz] !'' |!| VITROPERM 500F, !=100 000 typical ferrite, !=5500 !'' |!| 0.0 0.5 1.0 1.5 B [T] H [A/cm] typical ferrite VITROPERM 500F ! = 80 000 ! = 30 000 ! = 20 000 VITROPERM 250F ! = 5000 Fig. 8b: Magnetization curve of VITROPERM 500F and VITROPERM 250F in comparison to typical MnZn ferrite, showing noticeable differences in permeability (slope of the curve) and saturation flux density (B s) Permeability & magnetization curve magnetization curve The frequency dependence of the permeability, μ(f) of VITROPERM 500F and ferrites differ fundamen - tally. μ(f) of μ=5 000 ferrites offer a flat and linear characteristic up to approximately 1 MHz (ferrites with μ=10 000 range up to approximately 200 kHz). In this flat range, the attenuation properties are de - termined by μ’ and the impedance |Z| is dominated by the inductance L. If the self resonance of the choke is within this frequency range, the attenuation curve is narrow-band and attenuation is primarily caused by reflection of the interference signal. Above 1 MHz (or 200 kHz) Re(Z) takes the major share of attenuation and μ’’ becomes the dominant factor. If the self resonance of the choke is in this fre - quency range the attenuation characteristic beco - mes increasingly broadband. VITROPERM is basically similar in this respect. The flat sector of μ(f) of VITROPERM 500F ranges (de - pending on the initial permeability level) to frequen - cies of several 10 kHz (20 kHz in this example), only. Consequently, attenuation (or |Z|) is already domi - nated by Re(Z) and is always broadband in the whole EMC-relevant range above 150 kHz. In - ductance plays a minor role and describes the atte - nuation only partially. The determining factor is the total impedance. The approximation |Z|= ωL is valid for ferrite chokes. For VITROPERM chokes |Z|>> ωL applies. Attenuation primarily does not result from a reflection of the interference signal, but from its ab - sorption. It is only when these different characteristics are taken into consideration that the design of optimized, compact and low-cost nanocrystalline chokes is pos - sible. However, VITROPERM 250F is an exception, because the flat μ(f) sector range is similar to μ=5 000 ferrites to frequencies of up to 1 MHz and the attenuation is primarily inductive. Fig. 7: Differences in the balance between μ’ and μ’’ for VITROPERM and ferrite lead to different attenuation mechanisms Fig. 8a: Hysteresis loops for various types of VITROPERM and typical MnZn ferrite. NaNOcRysTallINE VITROPERM / EMc PROducTs

0 . 0 0 1 0 . 0 1 0 . 1 1 1 0 insertion loss aE [dB]

50 Ohm System

frequency [MHz] - 40°C +100°C +120°C + 20°C typical ferrite CMC VITROPERM CMC - 40°C + 20°C +100°C +120°C 0.01 0.1 1 10 100 insertion loss aE [dB] frequency [MHz] - 40°C typical ferrite CMC (high TC) +120°C +150°C + 20°C +160°C VITROPERM CMC - 40°C + 25°C +120°C +150°C +160°C 0.2 0.4 0.6 0.8 1.2 1.4 0 100 200 300 400 500 600 Saturation Flux Density Bs [ T ] Temperature [ °C ] nanocrystalline VITROPERM® typical Mn-Zn ferrite -40% -20% 20% 40% 60% 80% -40 -20 0 20 40 60 80 100 120 Relative change of permeability ! (T) / ! (25°C) Temperature [°C] nanocrystalline VITROPERM® ! = 80 000 nanocrystalline VITROPERM® ! = 30 000 typical MnZn ferrites ! = 5000 … 10 000 The saturation flux density of VITROPERM changes by only a few percent in the operating temperature range of up to 150 °C, while MnZn ferrites decline up to 40 % at temperatures above 100 °C. The high Curie temperature of VITROPERM alloys (above 600 °C), allows short term maximum operating tem - peratures as high as 180 – 200 °C 1). The permeability of VITROPERM typically changes by less than 10 % in the temperature range from -40 °C to 120 °C, while the permeability of MnZn ferrites can drift in a range of ± 40 – 60 % around the room temperature value. Fig. 10: Relative change of μT) at f = 100 kHz, normalized for room temperature 1) Maximum continuous temperature depends on the casing / coating materials used. Please contact V AC for more detailed information. Fig. 1 1b: Comparison of temperature dependence of insertion loss up to 160 °C of a VITROPERM CMC and a MnZn choke using a high Curie temperature ferrite material Fig. 1 1a: Comparison of temperature dependence of insertion loss of a VITROPERM CMC and a choke with standard MnZn ferrite core Insertion loss (and impedance) of a CMC made of VITROPERM 500F is almost temperature-independent in the tempe - rature range of – 40 °C to above 150 °C. In contrast, ferrite chokes feature a significant drop of insertion loss with increa - sing temperature. Thermal properties Fig. 9: T emperature dependence of saturation flux density B s(T) NaNOcRysTallINE VITROPERM / EMc PROducTs

[Seite 1/1] E 0.1 100 0.001 0.01 0.1 1 10 Icm [A] frequency [MHz] MnZn ferrite, 40 x 24 x 16 mm !i=6000, AL(100kHz)=9.5!H VITROPERM 500F, 40 x 25 x 15 mm !i=110 000, AL(100kHz)=24!H VITROPERM 500F, 40 x 25 x 15 mm !i=17 000, AL(100kHz)=14!H VITROPERM 250F, 40 x 25 x 15 mm !i=4 500, AL(100kHz)=4.6!H 5000 10000 15000 20000 permeability !' DC bias HDC [A/cm VITROPERM 500F, !=20000 typical MnZn ferrite, !=5000 typical MnZn ferrite, !=8000 Fig. 12b: Comparison of permeability characteristics under DC bias fields for VITROPERM 500F and two typical MnZn ferrites. saturation behaviour Fig. 12a: Comparison of saturation behaviour of VITROPERM 500F , VITROPERM 250F and MnZn ferrite High permeability nanocrystalline cores enable very high in - ductance levels in extremely compact core or choke dimen - sions. However, as a consequence an increased sensitivity to asymmetric magnetization conditions caused by com - mon mode, unbalanced or leakage currents has to be con - sidered. These currents may occur as low-frequency leakage currents (50 Hz) or as medium or high-frequency interference currents. These are caused for example by long motor cables with different capacitance of the individual conductors to earth, or by resonances which occur (com - monly due to bearing currents) in such cables leading to short, extremely high and rapidly declining current peaks with amplitudes of up to several 10 A peak and pulse widths in the nanosecond range (1 … several 100 ns). If these common mode currents exceed the saturation level of the choke or core, the attenuation of the choke breaks down and the choke becomes less effective. The saturation behaviour of ferrite is less sensitive due to its lower permeability . For applications with higher imbalance currents, the advantages of VITROPERM with 1.2 T satu - ration flux density (approximately 3 times higher than ferri - tes) can still be realised since VITROPERM is available in a range of permeability levels between 4 000 and 150 000. In these cases, a lower μ level may have to be selected in order to find the optimum saturation-resistant solution. Fig. 12a shows a comparison of saturation currents for different VITROPERM designs with a typical ferrite core of similar dimensions. It can be seen that the saturation behaviour of the MnZn ferrite ( μ=6 000) is comparable with that of VITROPERM 500F ( μ=17 000) up to frequencies of appro - ximately 50 kHz. At higher frequencies, however, the VITROPERM design is becoming more advantageous. The VITROPERM solution offers a 50 % higher A L value at 100 kHz and a significantly higher impedance (note that the impedance of VITROPERM is determined to a small part by inductance L in this frequency range). High permea - bility VITROPERM 500F cores are characterized by an ex - tremely high attenuation or impedance at low frequencies, and they are clearly superior against ferrites at high frequen - cies. However, the price of this superior performance is a more sensitive saturation behaviour, which is improving with increasing frequency but still more critical than that of other core materials. It should be noted that Fig. 12a shows the saturation currents of the cores without winding. Depending on the number of turns, the I cm values of chokes are some 10 mA to several 100 mA, only (see tables of standard series). Fig. 12b shows permeability characteristics under DC bias field for a VITROPERM 500F core ( μ=20 000) and 2 typical MnZn ferrites ( μ=5 000 and μ=8 000, respectively). The diagram shows the significantly higher permeability and a square μ(H DC ) characteristic of the nanocrystalline material in comparison to the rounded properties of the two ferrite cores. This behaviour complies to the linear magnetization curve of VITROPERM (Figs. 8a / 8b) and leads to nearly constant inductance over a wide range of the DC bias fields. VITROPERM 250F is always used where highly satura - tion-resistant solutions are required for applications with very high common mode or unbalanced currents. However, it cannot equal the high attenuation of VITROPERM 500F . 9NaNOcRysTallINE VITROPERM / EMc PROducTs

Tmax = 120 °C 1) 130/155 °C 1) 180 °C 1) μi= 15 000...150 000 4 000... 6 000 PFe = 80 W/kg (typ.) Max. operational temperature Continuous-epoxy Continuous-plastic casing short-term Permeability VITROPERM 500F VITROPERM 250F Core losses (100 kHz, 0.3 T) The superior material properties of nanocrystalline VITROPERM enable common mode chokes with high inductance/impedance with a small number of turns, resulting in reduced copper losses, low win - ding capacitance and excellent HF performance. Due to the high initial permeability, low winding ca - pacitance and a low Q-factor (above 100 kHz) VITROPERM CMCs offer a broadband insertion loss curve ranging from 10 kHz up to several MHz and improved attenuation behaviour at both low and high frequencies in comparison to conventional ferrite chokes with similar core dimensions and identical windings (see Fig. 13). Better attenuation properties and an extended ope - rating temperature range allow a reduction of the component volume by a factor of up to 3 or more under similar conditions. Note that the insertion loss curve of the small VITROPERM choke in Fig. 14 is similar to that of ferrite materials at frequencies of about 600 kHz – 1 MHz and is superior below 500 kHz and above 1 MHz. The excellent attenuation of VITROPERM CMCs simplifies the filter design in a wide frequency range. For laboratory tests, VAC offers different sample kits with selected standard cores and chokes. Fig. 13: Comparison of insertion loss curve of a VITROPERM 500F CMC (red curve) and ferrite CMC (blue curve) of similar size and with the same number of turns. Fig. 14: Comparison of the dimensions of a VITROPERM 500F CMC (red curve) and ferrite CMC (blue curve) with similar attenuation properties in the 1 MHz range design advantages with VITROPERM Bs = 1.2 T Hc < 3 A/m λs= 10 -8 ....10 -6 ≈ 8 x 10 -6 ≈115 μ/L09202cm Tc > 600 °C VITROPERM – typical data Saturation flux density Coercivity (static) Saturation magnetostriction VITROPERM 500F VITROPERM 250F Specific electrical resistance Curie temperature 1) Please contact V AC for more detailed information about the temperature limits of our casing and coating materials. NaNOcRysTallINE VITROPERM / EMc PROducTs

nominal core limiting dimensions iron cross mean path weight dimensions (incl. coating) section length 10 kHz 100 kHz da x di x h OD ID H AFe lFe mFe 10 kHz 100 kHz part number mm x mm x mm mm mm mm cm2 cm g 2,6 15,0 4,8 0,5 0,8 T60004-L2016-W620 2,6 6,0 3,9 1,1 1,7 T60004-L2016-W619 22 x 17 x 6 24,0 15,2 8,0 0,12 6,1 5,4 16,4 4,3 0,6 1,2 T60004-L2022-W867 9,9 22,5 7,2 0,7 1,4 T60004-L2025-W622 9,9 9,0 5,8 1,7 2,7 T60004-L2025-W621 30 x 25 x 15 32,3 22,7 17,5 0,27 8,6 17,4 26,5 8,5 0,9 1,7 T60004-L2030-W676 30 x 20 x 10 32,5 17,8 12,5 0,40 7,9 23,1 56,0 13,4 0,6 1,2 T60004-L2030-W911 36 32,5 10,3 1,1 2,2 T60004-L2040-W624 36 13,0 8,4 2,8 4,3 T60004-L2040-W623 45 x 32 x 15 47,3 29,8 17,8 0,71 12,1 63,3 19,7 12,8 3,0 4,6 T60004-L2045-W886 76 43,0 13,8 1,4 2,7 T60004-L2050-W626 76 17,0 11,2 3,6 5,4 T60004-L2050-W625 124 18,0 11,6 4,4 6,7 T60004-L2063-W627 124 11,5 10,4 6,9 8,7 T60004-L2063-W721 205 18,5 12,0 5,6 8,5 T60004-L2080-W628 205 11,9 10,7 8,7 11,0 T60004-L2080-W722 303 17,3 11,2 7,1 10,7 T60004-L2100-W629 303 11,2 10,0 10,9 13,8 T60004-L2100-W723 2,85 36,1 757 50,0 19,4 4,8 8,5 T60004-L2130-W567 130 x 100 x 25 134,5 95,0 28,5 2,74 36,1 727 25,4 16,5 9,0 13,6 T60004-L2130-W630 2,74 36,1 727 16,4 14,7 14,0 17,7 T60004-L2130-W587 917 20,1 13,1 11,3 17,1 T60004-L2160-W631 917 13,0 11,7 17,6 22,3 T60004-L2160-W720 1490 45,3 14,7 6,9 12,5 T60004-L2194-V105 1490 14,7 13,2 20,7 26,4 T60004-L2194-W908 25 x 20 x 10 27,3 17,5 12,3 16 x 12.5 x 6 17,8 10,7 8 0,08 4,5 0,19 7,1 0,44 11,3 0,73 14,1 40 x 32 x 15 42,3 50 x 40 x 20 52,3 37,1 22,8 29,1 17,8 17,8 83 59,5 22,8 1,24 22,5 65,5 46,6 22,8 80 x 63 x 20 100 x 80 x 20 104 0,9563 x 50 x 20 75 23 1,46 194 x 155 x 25 200 149 28,5 28,3 160 x 130 x 25 165 125 28,5 A saturation current Icm**, typical 3,71 54,8 AL nominal µH 2,74 45,6 sTandaRd seRIes oF VITRoPeRm coRes Although the epoxy resin coating is suitable for direct winding, we recommend additional insula - tion between core and winding for enhanced insulation requirements. The epoxy resin is suitable for continuous operational temperatures of up to 120 °C and complies with the UL94-V0 standard (UL file number: E214934), class A (105 °C). AFe da di OD ID h H AFe da di OD ID h H AFe da di OD ID h H Nanocrystalline VITROPERM cores with epoxy resin coating Our VITROPERM cores are available with different a l-levels for many core sizes. Thus, saturation-resistant solutions are available for various fields of applications. common mode currents may occur as interference cur - rents, bias currents or, primarily, unbalanced currents. If the common mode currents exceed the saturation currents (I cm ) of the cores or chokes, cores with higher saturation resistance must be used. High a l values (high μ) are more suitable for typical single-phase applications with low unbalanced current (e.g. switched-mode power supplies), while cores with lower a l values are often used in 3-phase applications with high unbalan - ced currents (e.g. frequency converters with long motor cables).

11 NaNOcRysTallINE VITROPERM / EMc PROducTs

nominal core limiting dimensions iron cross mean path weight dimensions (incl. case) section length 10 kHz 100 kHz da x di x h OD ID H AFe lFe mFe 10 kHz 100 kHz part number mm x mm x mm mm mm mm cm2 cm g 9.8 x 6.5 x 4.5 11,2 5,1 5,8 0,06 2,6 1,1 25,5 6,4 0,2 0,4 T60006-L2009-W914 12 x 8 x 4.5 14,1 6,6 6,3 0,07 3,1 1,7 28,0 6,8 0,2 0,4 T60006-L2012-W902 12.5 x 10 x 5 14,3 8,5 7,0 0,05 3,5 1,3 10,0 3,6 0,4 0,8 T60006-L2012-W498 15 x 10 x 4.5 17,1 7,9 6,5 0,09 3,9 2,6 27,0 6,7 0,3 0,5 T60006-L2015-W865 44 3 , 0 1 0 , 1 0 , 30 , 6 T60006-L2016-W403 41 1 , 7 6 , 5 1 , 21 , 7 T60006-L2016-W308 17.5 x 12.6 x 6 19,0 11,0 8,0 0,12 4,7 4,1 30,0 6,9 0,3 0,7 T60006-L2017-W515 19 x 15 x 10 21,2 13,0 12,3 0,16 5,3 6,3 36,1 8,8 0,4 0,7 T60006-L2019-W838 9,0 55,2 13,6 0,4 0,7 T60006-L2020-W409 9,0 14,3 9,1 1,4 2,1 T60006-L2020-W450 25 x 20 x 10 27,6 17,4 12,8 0,20 7,1 10,4 28,4 7,3 0,6 1,1 T60006-L2025-W523 17 65,5 15,5 0,4 0,9 T60006-L2025-W380 25 x 16 x 10 27,9 13,6 12,5 0,36 6,4 17 17,0 11,5 1,7 2,6 T60006-L2025-W451 17 3,2 3,1 9,3 9,6 T60006-L2025-W980 23 59,3 14,0 0,5 1,0 T60006-L2030-W423 30 x 20 x 10 32,8 17,6 12,5 0,40 7,9 23 15,5 11,1 2,1 3,1 T60006-L2030-W358 23 2,9 2,8 11,4 11,8 T60006-L2030-W981 30 x 20 x 15 32,8 17,5 17,8 0,57 7,9 33 88,0 20,0 0,5 1,1 T60006-L2030-W514 38 47,2 11,1 0,8 1,5 T60006-L2040-W422 40 x 32 x 15 43,1 28,7 18,5 0,46 11,3 38 12,2 7,9 3,7 5,1 T60006-L2040-W452 38 2,3 2,2 16,6 17,1 T60006-L2040-W964 64 101,0 23,1 0,7 1,4 T60006-L2040-W424 64 25,4 17,2 2,9 4,2 T60006-L2040-W453 74 87,5 20,3 0,8 1,6 T60006-L2045-V102 45 x 30 x 15 48,3 26,4 18,2 0,86 11,8 74 24,3 15,9 3,0 4,5 T60006-L2045-V118 74 15,7 14,3 4,6 5,8 T60006-L2045-V101 79 45,3 14,0 1,4 2,7 T60006-L2050-W516 79 18,0 10,0 3,5 5,3 T60006-L2050-W565 161 58,6 18,1 1,8 3,5 T60006-L2063-W517 63 x 50 x 25 67,3 46,5 28,6 1,24 17,8 161 23,3 13,5 4,4 6,7 T60006-L2063-V110 163 3,3 3,2 30,2 30,9 T60006-L2063-W985 342 35,0 24,0 5,5 8,2 T60006-L2080-W531 347 9,6 9,2 26,4 27,3 T60006-L2080-V091 395 81,0 25,1 2,4 4,5 T60006-L2090-W518 400 4,6 4,5 40,9 41,8 T60006-L2090-W984 379 56,3 16,9 2,8 5,3 T60006-L2100-V082 379 14,5 13,1 10,9 13,8 T60006-L2100-V081 508 68,8 21,6 3,8 6,7 T60006-L2102-W468 102 x 76 x 25 108,1 70,0 30,3 2,47 28,0 508 19,1 17,2 10,7 13,6 T60006-L2102-V080 515 4,3 4,2 47,4 48,5 T60006-L2102-W947 2,74 45,6 917 26,8 13,7 8,4 13,6 T60006-L2160-V074 2,74 45,6 917 20,1 13,1 11,3 17,1 T60006-L2160-V088 2,74 45,6 917 12,9 11,7 17,6 22,3 T60006-L2160-V066 2,85 45,6 967 3,0 2,9 79,3 81,1 T60006-L2160-W982 0,14 AL saturation current Icm**, typical nominal 16 x 10 x 6 20 x 12.5 x 8 22,6 10,3 µH A 4,117,9 8,1 8,1 10,2 0,24 5,1 40 x 25 x 15 43,1 22,5 18,5 0,86 10,2 80 x 50 x 20 86,0 44,7 25,7 50 x 40 x 20 53,5 36,3 23,4 0,76 14,1 2,28 20,4 2,28 23,690 x 60 x 20 95,4 100 x 80 x 25 105,5 75,0 29,6 54,7 24,7 160 x 130 x 25 166,9 123,9 30,5 1,90 28,3 * A L = inductance for N = 1 (tolerance +45 % / -25 %) ** I cm : the listed saturation currents are guidelines, only. They are calculated for nominal core dimensions at room temperature and for approx. 70 % saturation flux density. The frequency- dependent saturation behaviour is demonstrated in Fig. 12. The plastic cases are suitable for direct winding and offer good mechanical protection of the nanocrystalline core material. This enables the best mag - netic properties and highest permeability levels to be maintained. Additional winding protection is optional for heavy wire windings, where there may be a danger of core damage. The plastic materials comply with the standards UL94-V0 (UL file number: E41871), class B (130 °C) and UL94-V0 (UL file number E41938), class F (155 °C). Nanocrystalline VITROPERM cores in plastic casing NaNOcRysTallINE VITROPERM / EMc PROducTs

/G49/G6E /G76 /G65 /G72 /G74 /G65 /G72 /G4D/G6F /G74 /G6F /G72 /G50/G45 /G31/G30 /G2E /G2E /G2E /G31 /G30/G30/G41 /G70/G65 /G61/G6B /G3C/G31 /GB5 /G73 /G31/G30 /G30/GB5 /G73 /G68 /G69 /G67 /G68 /G20/G76 /G6F /G6C/G74 /G61 /G67 /G65 /G20 /G70 /G65 /G61 /G6B /G73 /G6F /G76 /G65 /G72 /G20/G62 /G65 /G61 /G72 /G69 /G6E /G67 /G73 core data data of core stack nominal core limit core dimensions example for 5 stacked cores dimensions (incl. Case/coating) AL (10 kHz) A L (100 kHz) I cm (10 kHz) Icm(100 kHz) L (10 kHz) L (100 kHz) core part number da x di x h OD ID H nominal nominal size typical typical nominal nominal mm x mm x mm mm mm mm µH µH A A µH µH T60004-L2100-W629 100 x 80 x 20 104,0 75,0 23,0 17,3 11,2 1 7,1 10,7 86,5 56,0 T60004-L2100-W723 100 x 80 x 20 104,0 75,0 23,0 11,2 10,0 1 10,9 13,8 56,0 50,0 T60006-L2100-V082 100 x 80 x 25 105,5 75,0 29,6 56,3 16,9 1 2,8 5,3 281,5 84,5 T60006-L2100-V081 100 x 80 x 25 105,5 75,0 29,6 14,5 13,1 1 10,9 13,8 72,5 65,5 T60006-L2102-W468 102 x 76 x 25 108,1 70,0 30,3 68,8 21,6 1 3,8 6,7 344,0 108,0 T60006-L2102-V080 102 x 76 x 25 108,1 70,0 30,3 19,1 17,2 1 10,7 13,6 95,5 86,0 T60006-L2102-W947 102 x 76 x 25 108,1 70,0 30,3 4,3 4,2 1 47,4 48,5 21,5 21,0 T60006-L2160-V074 160 x 130 x 25 166,9 123,9 30,5 26,8 13,7 2 8,4 13,6 134,0 68,5 T60006-L2160-V088 160 x 130 x 25 166,9 123,9 30,5 20,1 13,1 2 11,3 17,1 100,5 65,5 T60006-L2160-V066 160 x 130 x 25 166,9 123,9 30,5 12,9 11,7 2 17,6 22,3 64,5 58,5 T60006-L2160-W982 160 x 130 x 25 166,9 123,9 30,5 3,0 2,9 2 79,3 81,1 15,0 14,3 core stack assemblies Single-turn chokes employing a number of nanocry - stalline cores assembled in a stack are an effective solution for bearing current problems or extremely high common mode noise from other causes in large-scale variable speed drives, wind generators and other applications in which resonance pheno - mena cause high-amplitude interference currents (with peak values ranging from several 10 A to over 100 A). These generally take the form of short and thus high-frequency current peaks. For these appli - cations, VAC offers assembled core stacks which can be easily and securely integrated into existing applications with the minimum of effort. The core stacks are available in two sizes with two different through-hole diameters. They are custom- designed, allowing an individual selection of core type and the number of stacked cores (up to 7 pie - ces) depending on the required saturation level and the required inductance. a (mm) b (mm) c (mm) d (mm) s (mm) 120 130 ~ 70 180 190 130 > 118 size 1 size 2 n = number of stacked cores H = maximum core height y = 9.5 for epoxy coated cores, T60004... y = 10.2 for cased cores, T60006... The inductance L of a core stack can be calculated by multiplying the number of stacked cores with the AL-value of the single core. AL : inductance of single core I cm : maximum permissible leakage or common mode current. Calculated guideline for nominal core dimensions at room tempera - ture and for approximately 70 % saturation flux density. Dimensions of the core stack assemblies nanocrystalline cores with

13 NaNOcRysTallINE VITROPERM / EMc PROducTs

RCu |Z| fR Icm part number OVCat III / II 10 kHz 100 kHz typ. 100kHz typ. 10 kHz lbh AV m ! ! MHz mA mm mm mm 2 upright 300 / 600 2x12.1 2x2.8 101 3000 3,6 17 22 12 25 T60405-R6131-X402 4 upright 300 / 600 2x10.8 2x2.5 27,5 2320 1.2 12 22 12 25 T60405-R6131-X204 4.5 upright 300 / 600 2x28.3 2x6.6 36 6500 0,4 18 27 17 29 T60405-R6161-X504 6 upright 300 / 600 2x29.1 2x6.7 37,6 8500 0,25 14 35 21 37 T60405-R6166-X206 8 upright 300 / 600 2x16.4 2x3.7 19,1 4200 0,5 20 35 21 36,5 T60405-R6166-X208 10 low profile 300 / 600 2x11.4 2x2.6 12,2 3200 0,7 16 35 35 23 T60405-R6123-X210 10 upright 300 / 600 2x11.4 2x2.6 12,7 3150 0.7 16 35 21 37 T60405-R6166-X210 12 upright 300 / 600 2x11.4 2x2.6 8.9 2950 0,7 22 38 22 35 T60405-R6126-X212 12 low profile 300 / 600 2x11.4 2x2.6 8,8 2950 0,7 22 35 35 25 T60405-R6123-X213 13 low profile 300 / 600 2x8.6 2x2.2 6,3 2250 1,1 28 35 35 22 T60405-R6122-X100 16 low profile 300 / 600 2x12.9 2x3.1 5,7 3000 3.0 37 40 40 24 T60405-R6123-X616 16 upright 300 / 600 2x6 2x1.5 4,6 1600 1.0 35 38 21 38 T60405-R6166-X033 16 upright 300 / 600 2x2.9 2x0.7 3,9 830 3,3 60 36 21 38 T60405-R6166-X039 20 low profile 300 / 600 2x1.8 2x0.4 3,2 500 11,5 40 35 35 23,5 T60405-R6123-X220 20 low profile 300 / 600 2x6.6 2x1.6 2.9 1470 5,7 35 43 43 24 T60405-R6123-X221 25 low profile 300 / 600 2x4.2 2x1 1.9 970 7,1 50 42,5 42,5 25 T60405-R6123-X226 25 low profile 600 / 1000 2x12 2x2.8 3,5 2900 2,4 55 52 52 32 T60405-R6123-X227 25 upright 300 / 600 2x4.2 2x1 1.9 970 4,9 50 42 27 40 T60405-R6128-X225 30 low profile 600 / 1000 2x3.9 2x0.9 2.4 920 7.0 50 52 52 29 T60405-R6123-X232 30 upright 600 / 1000 2x3.9 2x0.9 2,3 900 4.0 65 51 27 50 T60405-R6128-X031 40 low profile 600 / 1000 2x3.6 2x0.8 1.4 870 8,2 90 52 52 32 T60405-R6123-X241 48 low profile 600 / 1000 2x2.5 2x0.6 0.75 660 6,7 110 52 52 32 T60405-R6123-X248 63 low profile 600 / 1000 2x1.6 2x0.4 0,5 390 9,3 150 53,5 53,5 32 T60405-R6123-X263 85 low profile 600 / 1000 2x1.6 2x0.5 0.6 510 1,6 200 73 73 40 T60405-R6123-X285 dimensions mH LN For more detailed technical information please see our product data sheets at www.vacuumschmelze.com. Custom CMCs for other nominal currents, in different designs and with other properties are available on request. RCu : winding resistance per winding |Z| : choke impedance f R : choke resonance frequency common mode chokes UL1446 sTandaRd seRIes standard series cMcs for single-phase applications General information Chokes are designed, manufactured and tested in compliance with EN50178. Plastic materials comply with the following UL standards: UL94 (file number E41871) UL1446 (file number OBJY2.E329745) Temperature class B (130 °C) IN = nominal current in each winding UN OVCat III / II = operating voltage for overvoltage category III / II LN = nominal inductance, tolerance +50% / -30 % Ambient temperature T a = – 40°C...+70°C (short-term +90°C) Operating temperature T op = – 40°C...+130°C (short-term +150°C) The standard chokes are designed for a temperature rise of ΔT = 45….60 K at T a=70 °C and I=I N in each winding. Data derating is necessary for deviating ambient temperature or deviating nominal current. Please contact VAC for further de - tailed information. NaNOcRysTallINE VITROPERM / EMc PROducTs

standard series 3-phase chokes for 3-phase applications IN design UN RCu |Z| fR Icm part number OVCat III / II 10 kHz 100 kHz 100kHz 10 kHz lbh AV m ! ! MHz mA mm mm mm 7 low profile 600 / 1000 3x31.8 3x7.4 24,6 8650 0,23 27 40,5 40,5 32,5 T60405-S6123-X306 10 low profile 600 / 1000 3x13.9 3x3.2 14 3500 1,5 30 51 51 32 T60405-S6123-X310 11 low profile 600 / 1000 3x10.6 3x2.5 8,5 2600 0,8 40 42 42 32 T60405-S6123-X308 12 low profile 600 / 1000 3x5.7 3x3.7 11,8 2650 0,48 150 51 51 32 T60405-S6123-X312 16 low profile 600 / 1000 3x4.8 3x3.1 6,5 2500 0,65 200 59 59 32 T60405-S6123-X316 16 low profile 600 / 1000 3x9.4 3x2.2 5,9 2400 1,45 35 51,5 51,5 34 T60405-S6123-X317 20 low profile 600 / 1000 3x10.6 3x2.4 4,1 2650 0,9 60 59 59 33 T60405-S6123-X320 25 low profile 600 / 1000 3x2 3x1.3 2,27 1000 2,8 380 60 60 33 T60405-S6123-X325 25 low profile 600 / 1000 3x4.9 3x1.1 2,1 1150 2 60 51,5 51,5 32 T60405-S6123-X326 32 low profile 600 / 1000 3x1.2 3x0.8 1,4 600 4,9 480 59 59 33 T60405-S6123-X332 40* low profile 600 / 1000 3x2.5 3x0.6 1,2 600 4,7 100 52 52 33 T60405-S6123-X140 40* low profile 600 / 1000 3x1.5 3x0.8 1,72 680 4 380 70 70 37 T60405-S6123-X240 63 low profile 600 / 1000 3x1.6 3x0.5 0,72 500 1 190 70 70 42 T60405-S6123-X363 70 low profile 600 / 1000 3x0.8 3x0.5 0,86 415 1,45 900 85 85 53 T60405-S6123-X370 110 low profile 600 / 1000 3x0.7 3x0.6 0,63 430 1,4 1750 135 135 57 T60405-S6123-X311 standard series 4-fold chokes 10 16 24 32 * for Ta ! 60°C ** for Ta ! 85°C low profile 600 / 1000 4x1.4 4x0.3 33 T60405-S6123-X40360 100 60 60 600,82 360 7 160 T60405-S6123-X401 low profile 600 / 1000 4x3.2 4x0.7 1,5 750 3,5 T60405-S6123-X40233,5 860 3,4 90 51,5 51,5 33 40 51 51 33 T60405-S6123-X400 low profile 600 / 1000 4x3.6 4x0.8 2,75 dimensionsLN mH low profile 600 / 1000 4x6.9 4x1.6 7,66 1500 1,7 /G54 /G72/G65 /G6E /G6E /G73 /G74 /G65 /G67 /G28/G73 /G65 /G70 /G61 /G72/G61 /G74 /G69 /G6F /G6E /G29 /GB3 /G35 /G2E/G35 /G6D /G6D /G44 /G43 /G20/G3D /G20 /G44 /G61 /G74 /G65 /G20/G43 /G6F /G64 /G65 /G46 /G20/G20 /G20/G20/G3D /G20 /G46 /G61 /G63 /G74/G6F /G72 /G79 /G54 /G6F /G6C /G65 /G72 /G61 /G6E /G7A /G20/G64 /G65 /G72 /G20 /G53 /G74 /G69 /G66 /G74 /G61 /G62 /G73 /G74 /GE4 /G6E /G64 /G65 /GB1/G30 /G2C /G33 /G6D /G6D /G28 /G54 /G6F /G6C /G65 /G72 /G61 /G6E /G63 /G65 /G73 /G20/G67 /G72 /G69 /G64 /G20 /G64 /G69 /G73 /G74 /G61 /G6E /G63 /G65 /G29 /G34/G2E /G35 /GB1 /G30 /G2C /G35 /G42 /G65/G73 /G63 /G68 /G72 /G69 /G66 /G74 /G75/G6E /G67 /G28/G6D /G61 /G72/G6B /G69 /G6E /G67 /G29 /G46 /G20/G20 /G20/G20/G20/G20 /G20/G20/G44 /G43 /GD8/G35 /G39 /G32 /G31 /G36 /G35 /G33 /G34 /GD8/G35 /G33 /G33 /G30/GB0 /GD8/G32 /G30 /G2C /G39 /G33 /G78/G31 /G32 /G30 /GB0 /G33/G78 /G31 /G32 /G30/GB0 /GA3 /G33/G33 /G31 /G33/G30 /GB0 We provide more detailed technical information (data sheets) for all standard products on our web-page www.vacuumschmelze.com. Example outline of the 3-phase CMC T60405-S6123-X332. 3- and 4-phase cmcs

15 NaNOcRysTallINE VITROPERM / EMc PROducTs

adVaNcEd MaTERIals – THE KEy TO PROGREss Vac salEs usa llc

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INFO-USA@VACUUMSCHMELZE.COM VacuuMscHMElZE GMBH & cO. KG GRÜNER WEG 37 D 63450 HANAU / GERMANY PHONE +49 6181 38 0 FAX +49 6181 38 2645 INFO@VACUUMSCHMELZE.COM WWW.VACUUMSCHMELZE.COM VacuuMscHMElZE salEs OFFIcE sINGaPuR

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#04-16 SHUN LI INDUSTRIAL PARK SINGAPORE 417943 PHONE (+65) 63 91 26 00 Fax: (+65) 63 91 26 01 VACSINGAPORE@VACUUMSCHMELZE.COM PKB-EMc Edition 2010 All rights reserved. VITROPERM ® is a registered trademark of VACUUMSCHMELZE GmbH & Co. KG in Germany, Austria and Switzerland. As far as pa - tents or other rights of third parties are concerned, liability is only as - sumed for product per se, not for applications, processes and circuits implemented whithin theses products. The information describes the type of product and shall not be considered as assured characteris - tics. Terms of delivery and right to change design reserved.