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| Ferrite Cores For Power Supply EER Cores CORE SHAPES AND DIMENSIONS/CHARACTERISTICS Type EER25.5 EER28 EER28L EER35 EER40 EER42 EER42/42/20 EER49 oD oD A A EER Series Fig. 1 2 2 1 1 1 2 1 B Fig.1 C B Fig.2 C Dimensions (mm) A B 25.50.5 9.30.2 28.550.55 140.2 28.550.55 16.90.25 350.5 20.70.2 400.5 22.40.2 420.6 22.40.2 42.150.65 21.20.2 490.8 190.3 C 7.50.2 11.40.25 11.40.25 11.30.2 13.30.25 15.50.25 19.60.4 17.20.4 oD 7.50.15 9.90.25 9.90.25 11.30.15 13.30.25 15.50.25 17.30.25 17.20.25 Ae (mm2) 44.8 82.1 81.4 107 149 194 240 231 le (mm) 48.2 64 75.5 90.8 98 98.8 98.6 91.3 Weight (g) 11 28 33 52 78 102 116 110 ELECTRICAL CHARACTERISTICS WITHOUT AIR GAP Part No. PC40EER25.5-Z PC40EER28-Z PC40EER28L-Z PC40EER35-Z PC40EER40-Z PC40EER42-Z PC40EER42/42/20-Z PC40EER49-Z WITH AIR GAP Calculated output power (W) [100kHz] 87 203 228 325 421 433 509 Part No. PC40EER25.5AXXX PC40EER28AXXX PC40EER28LAXXX PC40EER35AXXX PC40EER40AXXX PC40EER42AXXX PC40EER42/42/20AXXX PC40EER49AXXX AL-value (nH/N2) [1kHz, 0.5mA, 100Ts] 192025% 287025% 252025% 277025% 362025% 469025% 534025% 625025% AL-value (nH/N2) [1kHz, 0.5mA, 100Ts] 1005%, 2007% 2005%, 4007% 1605%, 3157% 2005%, 4007% 2005%, 4007% 2505%, 5007% 2505%, 5007% 2505%, 5007% The values were obtained with forward converter mode. XXX: AL-value BOBBINS Part No. H H Fig. 1 1 1 1 1 1 1 1 2 2 2 2 2 www..com W Fig.1 D W D Fig.2 BEER-25.5-118CP BEER-28-1110CP BEER-28L-1110CP BEER-35-1112CP BEER-40-1112CP BEER-42-1114CP BEER-42/42/20-1112CP BEER-49-1118CP BEER-28-1112CPH BEER-28L-1112CPH BEER-35-1116CPH BEER-40-1116CPH BEER-42-1116CPH No. of pin terminal 8 10 10 12 12 14 12 18 12 12 16 16 16 Dimensions (mm) W 26 29 29 36 41 43 43 50 31 31 41 41 43 D 20 23 23 29 30 30 37 37 33 38 46 45 46 H 21 29 35 44 46 47 46 43 26 26 31 32 35 * Material: FR phenol, UL Grade: 94V-0, Pin material: Steel wire (Solder plated) 144 980706 Specifications which provide more details for the proper and safe use of the described product are available upon request. All specifications are subject to change without notice. |
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