Ferrite Cores For Power Supply ETD, EC Cores ETD, EC Series ETD, EC SERIES CORE SHAPES AND DIMENSIONS/CHARACTERISTICS D A ø D A ø R B C Fig.2 B C Fig.1 Type Fig. ETD19 ETD24 ETD29 ETD34 ETD39 ETD44 ETD49 EC70 EC90 EC120 1 1 1 1 1 1 1 2 2 2 C Dimensions (mm) A 19.6±0.5 24.4±0.6 29.8±0.8 34.2±0.8 39.1±0.9 44±1 48.7±1.1 70±1.7 90±1.8 120±2 øD B 7.4±0.2 13.65±0.15 7.4±0.2 8.5±0.2 14.45±0.15 8.5±0.4 9.5±0.3 15.8±0.15 9.5±0.3 10.88±0.38 10.8±0.3 17.3±0.2 19.8±0.2 12.58±0.38 12.5±0.3 14.8±0.4 14.9±0.5 22.3±0.2 16.3±0.4 16.4±0.5 24.7±0.2 16.4±0.4 16.4±0.4 34.5±0.15 30±1 30±1 45±1.3 50.5±1 30±1 30±1 Ae (mm2) 41.3 56.3 73.6 97.1 125 175 213 279 624 753 le (mm) 54.6 61.9 70.6 78.6 92.1 103 114 144 216 250 Weight (g) 14 20 28 40 60 94 124 256 698 780 ELECTRICAL CHARACTERISTICS WITHOUT AIR GAP Part No. AL-value 2 (nH/N ) [1kHz, 0.5mA, 100Ts] 1720±25% 2125±25% 2500±25% 2780±25% 3150±25% 4000±25% 4440±25% 4800±25% 6000min. 6300min. PC40ETD19-Z PC40ETD24-Z PC40ETD29-Z PC40ETD34-Z PC40ETD39-Z PC40ETD44-Z PC40ETD49-Z PC40EC70-Z PC40EC90-Z PC40EC120-Z The values were obtained with forward converter mode. (W) Calculated output * power [100kHz] 79 115 170 271 382 523 682 WITH AIR GAP Part No. PC40ETD19AXXX PC40ETD24AXXX PC40ETD29AXXX PC40ETD34AXXX PC40ETD39AXXX PC40ETD44AXXX PC40ETD49AXXX PC40EC70AXXX XXX: AL-value AL-value 2 (nH/N ) [1kHz, 0.5mA, 100Ts] 80±5%, 160±7% 100±5%, 200±7% 200±5%, 400±10% 200±5%, 400±7% 200±5%, 400±7% 250±5%, 400±7% 250±5%, 400±7% 100±5%, 200±5% BOBBINS H H W D W D Fig.1 Fig.2 Part No. Fig. BETD-19-1110CPH* BETD-24-1112CPH* BEC-70-5116 BEC-90-0112 * Permissible soldering temperature 350°C max., 2 seconds. • UL Grade: 94V-0, Pin material: Steel wire (Solder plated) 23.55 29 72 92 31 33.6 57 77 1 1 2 2 Dimensions (mm) W D H No. of pin terminal 10 12 Materials FR phenol FR phenol 6-Nylon 6-Nylon 18.15 21.65 70 93 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. 143 980706 * * *