FERROXCUBE DATA SHEET I93/28/30 U, I cores and accessories Supersedes data of September 2004 2008 Sep 01 Ferroxcube U, I cores and accessories I93/28/30 CORE SETS Effective core parameters in combination with U93/52/30 SYMBOL PARAMETER VALUE UNIT mm−1 Σ(I/A) core factor (C1) 0.251 Ve effective volume 175000 mm3 Ie effective length 210 mm Ae effective area 836 mm2 m mass of core ≈ 370 g handbook, halfpage PARAMETER VALUE 30 ±0.6 27.5 ±0.5 A A 0.33 Effective core parameters in combination with U93/76/30 SYMBOL 93 ±1.8 Detail A 15˚ UNIT CBW142 2 4.0 mm−1 Σ(I/A) core factor (C1) 0.307 Ve effective volume 217000 mm3 Ie effective length 258 mm Ae effective area 840 mm2 m mass of core ≈ 370 g Dimensions in mm. Fig.1 I93/28/30 core. Core data GRADE 3C90 3C94 µe AL (nH) 10700 ±25% (1) ≈ 2150 8700 ±25%(2) ≈ 2150 10700 ±25% (1) ≈ 2150 ±25%(2) ≈ 2150 8700 TYPE NUMBER I93/28/30-3C90 I93/28/30-3C94 Notes 1. Measured in combination with “U93/52/30”. 2. Measured in combination with “U93/76/30”. Properties of core sets under power conditions B (mT) at GRADE 3C90 3C94 CORE LOSS (W) at H = 250 A/m; f = 25 kHz; T = 100 °C f = 25 kHz; ˆ = 200 mT; B T = 100 °C f = 100 kHz; ˆ = 100 mT; B T = 100 °C ≥330 ≤ 24(1) ≤ 31 (1) ≥330 ≤ 28(2) ≤ 38 (2) ≥330 − ≤ 24 (1) ≥330 − ≤ 30 (2) Notes 1. Measured in combination with “U93/52/30”. 2. Measured in combination with “U93/76/30”. 2008 Sep 01 1358 Ferroxcube U, I cores and accessories I93/28/30 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 1359