EER25.5/18, EER28/28, EER28/34, EER35/42, EER40/46, EER42/44, EER49/54 EER cores, similar to ETD cores, have been designed to make optimum use of a given volume of ferrite material for maximum throughput power. The structure, which includes a round center post, approaches a nearly uniform crosssectional area throughout the core and provides a winding area that minimizes winding losses. • EER cores can be supplied with the center post gapped to a mechanical dimension or an ALvalue. • AL value is measured at 1 kHz, B < 10 gauss. • Weight indicated is per pair or set. Legend: Symbols & Definition Explanation of part numbers: Digits 1 & 2 = product class, 3 & 4 = material grade. Dimensions Row # Part Number Generic Size A B C D E F Wt. (g) per Set (1) 9578261802 9598261802 9595261802 9578282802 9598282802 9595282802 9578283402 9598283402 9595283402 9578354202 9598354202 9595354202 9578404602 9598404602 9595404602 9578424402 9598424402 9595424402 9578495402 9598495402 9595495402 EER25.5 25.50 ± 0.5 1.004 9.30 ± 0.15 0.366 7.50 ± 0.25 0.295 6.40 ± 0.15 0.252 19.80 min 0.780 min 7.50 ± 0.25 0.295 11.20 EER28/28 28.50 ± 0.6 1.122 14.00 ± 0.2 0.551 11.40 ± 0.3 0.449 9.60 ± 0.2 0.378 21.20 min 0.835 min 9.90 ± 0.3 0.390 28.00 EER28/34 28.50 ± 0.6 1.122 16.90 ± 0.2 0.665 11.40 ± 0.3 0.449 12.50 ± 0.2 0.492 21.20 min 0.835 min 9.90 ± 0.3 0.390 32.00 EER35/42 35.00 ± 0.65 1.378 21.00 ± 0.2 0.827 11.30 ± 0.3 0.445 15.00 ± 0.2 0.591 25.30 min 0.996 min 11.30 ± 0.3 0.445 46.00 EER40/46 40.00 ± 0.7 1.575 22.90 ± 0.3 0.902 13.30 ± 0.3 0.524 15.90 ± 0.3 0.626 29.50 min 1.161 min 13.30 ± 0.3 0.524 80.00 EER42/44 42.00 ± 0.7 1.654 22.00 ± 0.2 0.866 15.20 ± 0.35 0.598 15.40 ± 0.2 0.606 30.50 min 1.201 min 15.20 ± 0.35 0.598 96.00 EER49/54 49.00 ± 0.8 1.929 27.00 ± 0.2 1.063 17.20 ± 0.35 0.677 18.70 ± 0.2 0.736 36.50 min 1.437 min 17.20 ± 0.35 0.677 158.00 (2) (3) (4) (5) (6) (7) Fair-Rite Products Corp. PO Box 288, One Commercial Row, Wallkill, NY 12589-0288 126 Phone: (888) FAIR RITE / (845) 895-2055 • Fax: (888) FERRITE / (845) 895-2629 • (888) 324-7748 (888) 337-7483 E Web: www.fair-rite.com -mail: [email protected] Magnetic Core Parameters Table Continued ... Row # Part Number ∑l /A(cm-1) l (cm) Ae(cm2) Ve(cm3) A min(cm2) AL(nH) (1) 9578261802 9598261802 9595261802 9578282802 9598282802 9595282802 9578283402 9598283402 9595283402 9578354202 9598354202 9595354202 9578404602 9598404602 9595404602 9578424402 9598424402 9595424402 9578495402 9598495402 9595495402 11.10 4.80 0.434 2.083 0.425 1800 ±25% 1800 ±25% 2200 ±25% 7.30 6.29 0.859 5.398 0.77 2800 ±25% 2800 ±25% 3500 ±25% 8.70 7.44 0.852 6.337 0.77 2600 ±25% 2710 ±25% 3350 ±25% 8.20 9.11 1.11 10.14 1.00 2600 ±25% 2800 ±25% 3200 ±25% 6.90 10.00 1.44 14.42 1.30 3400 ±25% 3600 ±25% 4200 ±25% 5.20 9.79 1.87 18.26 1.81 4000 ±25% 4100 ±25% 5900 ±25% 4.80 11.80 2.45 29.02 2.32 4200 ±25% 5350 ±25% 6500 ±25% (2) (3) (4) (5) (6) (7) e Fair-Rite Products Corp. PO Box 288, One Commercial Row, Wallkill, NY 12589-0288 Phone: (888) FAIR RITE / (845) 895-2055 • Fax: (888) FERRITE / (845) 895-2629 • (888) 324-7748 (888) 337-7483 E Web: www.fair-rite.com -mail: [email protected] 127