FERROXCUBE DATA SHEET I25/6/6 U, I cores and accessories Supersedes data of September 2004 2008 Sep 01 Ferroxcube I25/6/6 (376B250) U, I cores and accessories CORE SETS Effective core parameters measured in combination with U25/16/6 handbook, halfpage 25.4 SYMBOL PARAMETER VALUE UNIT Σ(I/A) core factor (C1) 1.59 mm−1 Ve effective volume 2590 mm3 Ie effective length 64.3 mm 6.4 ±0.13 +0.64 −0.25 CBW139 Ae effective area 40.3 mm2 m mass of I core ≈ 4.5 g Dimensions in mm. Fig.1 I25/6/6 core. Core halves AL measured in combination with “U25/16/6” . AL (nH) µe 3C81 1750 ±25% ≈ 2210 I25/6/6-3C81 3C90 1500 ±25% ≈ 1900 I25/6/6-3C90 3C91 1750 ±25% ≈ 2210 I25/6/6-3C91 3C94 1500 ±25% ≈ 1900 I25/6/6-3C94 3C11 2500 ±25% ≈ 3160 I25/6/6-3C11 3E27 3000 ±25% ≈ 3800 I25/6/6-3E27 GRADE TYPE NUMBER Properties of core sets under power conditions Measured in combination with “U25/16/6”. B (mT) at CORE LOSS (W) at H = 250 A/m; f = 25 kHz; T = 100 °C f = 25 kHz; ˆ = 200 mT; B T = 100 °C 3C81 ≥320 3C90 ≥320 3C91 ≥320 − 3C94 ≥320 − GRADE f = 100 kHz; ˆ = 100 mT; B T = 100 °C f = 100 kHz; ˆ = 200 mT; B T = 100 °C ≤ 0.6 − − ≤ 0.3 ≤ 0.3 − ≤ ≤ 0.23 Note 1. Measured at 60 °C. 2008 Sep 01 0.18(1) 1322 ≤ 1.2(1) ≤ 1.6 Ferroxcube I25/6/6 (376B250) U, I cores and accessories DATA SHEET STATUS DEFINITIONS DATA SHEET STATUS PRODUCT STATUS DEFINITIONS Preliminary specification Development 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. Product specification Production 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. 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 INDICATION DEFINITION Prototype 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. Design-in These products are recommended for new designs. Preferred These products are recommended for use in current designs and are available via our sales channels. Support 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 1323