U25-20-13

FERROXCUBE DATA SHEET U25/20/13 U, I cores and accessories Supersedes data of September 2004 2008 Sep 01 Ferroxcube U, I cores and accessories CORE SETS Effective core parameters 24.8 ± 0.7 U25/20/13 SYMBOL Σ(I/A) Ve Ie Ae m PARAMETER core factor (C1) effective volume effective length effective area mass of core half VALUE 0.85 9180 88.2 104 ≈ 23.5 UNIT mm−1 mm3 mm mm2 g 8.4 ± 0.4 11.4 ± 0.4 19.6 ± 0.2 12.7 ± 0.3 MSA141 Dimensions in mm. Fig.1 U25/20/13 core half. Core halves AL measured on a combination of 2 U cores. GRADE 3C90 3C94 3C11 3E27 AL (nH) 2 900 ±25% 2 900 ±25% 5000 ±25% 6 300 ±25% µe ≈ 2 000 ≈ 2 000 ≈ 3400 ≈ 4 300 TYPE NUMBER U25/20/13-3C90 U25/20/13-3C94 U25/20/13-3C11 U25/20/13-3E27 Properties of core sets under power conditions B (mT) at GRADE H = 250 A/m; f = 25 kHz; T = 100 °C ≥320 ≥320 f = 25 kHz; ˆ B = 200 mT; T = 100 °C ≤ 1.1 − CORE LOSS (W) at f = 100 kHz; ˆ B = 100 mT; T = 100 °C ≤ 1.2 ≤ 0.9 f = 100 kHz; ˆ B = 200 mT; T = 100 °C − ≤ 5.5 3C90 3C94 2008 Sep 01 1325 Ferroxcube U, I cores and accessories DATA SHEET STATUS DEFINITIONS DATA SHEET STATUS Preliminary specification Product specification PRODUCT STATUS Development DEFINITIONS U25/20/13 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 1326