FERROXCUBE DATA SHEET E31/13/9 E cores and accessories Supersedes data of September 2004 2008 Sep 01 Ferroxcube E cores and accessories E31/13/9 CORE SETS Effective core parameters SYMBOL PARAMETER VALUE UNIT Σ(I/A) core factor (C1) 0.740 mm−1 Ve effective volume 5150 mm3 Ie effective length 61.9 mm Ae effective area 83.2 mm2 Amin minimum area 83.2 mm2 m mass of core half ≈ 13 g 30.9 ±0.5 handbook, halfpage 21.9 min. 9.4 ±0.25 8.6 min. 13.4 ±0.15 9.4 ±0.3 CBW038 Dimensions in mm. Fig.1 E31/13/9 core half. Core halves AL measured in combination with a non-gapped core half, clamping force for AL measurements 40 ±20 N, unless stated otherwise. GRADE 3C90 AL (nH) µe 100 ±5%(1) ≈ 59 ≈ 1560 E31/13/9-3C90-E100 ±5%(1) ≈ 95 ≈ 840 E31/13/9-3C90-E160 160 TOTAL AIR GAP (µm) TYPE NUMBER 250 ±5% ≈ 148 ≈ 480 E31/13/9-3C90-A250 315 ±5% ≈ 186 ≈ 360 E31/13/9-3C90-A315 400 ±8% ≈ 237 ≈ 270 E31/13/9-3C90-A400 630 ±15% ≈ 373 ≈ 150 E31/13/9-3C90-A630 2970 ±25% ≈1760 ≈0 E31/13/9-3C90 Note 1. Measured in combination with an equal gapped core half, clamping force for AL measurements, 40 ±20 N. Properties of core sets under power conditions B (mT) at GRADE 3C90 2008 Sep 01 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 ≥320 ≤ 0.52 ≤ 0.58 395 Ferroxcube E cores and accessories E31/13/9 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 01 396