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| FERROXCUBE DATA SHEET TN20/10/7 Ferrite toroids Supersedes data of September 2004 2008 Sep 01 Ferroxcube Ferrite toroids RING CORES (TOROIDS) Effective core parameters SYMBOL (I/A) Ve Ie Ae m Coating The cores are coated with polyamide 11 (PA11), flame retardant in accordance with "UL 94V-2"; UL file number E 45228 (M). The colour is white. Maximum operating temperature is 160 C. Isolation voltage DC isolation voltage: 2000 V. Contacts are applied on the edge of the ring core, which is also the critical point for the winding operation. PARAMETER core factor (C1) effective volume effective length effective area mass of core VALUE 1.30 1465 43.6 33.6 7.7 UNIT mm-1 mm3 mm mm2 g handbook, halfpage TN20/10/7 20.6 0.6 (0.3) ;;;; ;;;; 9.2 0.4 coating PA11 CBW308 7.5 0.45 Dimensions in mm. Fig.1 TN20/10/7 ring core. Ring core data GRADE 4C65 3C90 3C11 3E25 AL (nH) 121 25% 2230 25% 4150 25% 5340 25% i 125 2300 4300 5500 TYPE NUMBER TN20/10/7-4C65 TN20/10/7-3C90 TN20/10/7-3C11 TN20/10/7-3E25 Properties of cores under power conditions B (mT) at GRADE H = 250 A/m; f = 25 kHz; T = 100 C 320 f = 25 kHz; B = 200 mT; T = 100 C 0.15 CORE LOSS (W) at f = 100 kHz; B = 100 mT; T = 100 C 0.16 3C90 2008 Sep 01 1667 Ferroxcube Ferrite toroids DATA SHEET STATUS DEFINITIONS DATA SHEET STATUS Preliminary specification Product specification PRODUCT STATUS Development DEFINITIONS TN20/10/7 This data sheet contains preliminary data. Ferroxcube reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. This data sheet contains final specifications. Ferroxcube reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. Production DISCLAIMER Life support applications These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Ferroxcube customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Ferroxcube for any damages resulting from such application. PRODUCT STATUS DEFINITIONS STATUS Prototype Design-in Preferred Support INDICATION DEFINITION These are products that have been made as development samples for the purposes of technical evaluation only. The data for these types is provisional and is subject to change. These products are recommended for new designs. These products are recommended for use in current designs and are available via our sales channels. These products are not recommended for new designs and may not be available through all of our sales channels. Customers are advised to check for availability. 2008 Sep 01 1668 |
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