FERROXCUBE DATA SHEET E71/33/32 E cores and accessories Supersedes data of September 2004 2008 Sep 01 Ferroxcube E cores and accessories E71/33/32 CORE SETS Effective core parameters SYMBOL PARAMETER 70.5 ±1 handbook, halfpage VALUE +1.5 0 0 22 −0.7 UNIT 48 mm−1 Σ(I/A) core factor (C1) 0.218 Ve effective volume 102 000 mm3 Ie effective length 149 mm Ae effective area 683 mm2 Amin minimum area 676 mm2 m mass of core half ≈ 260 g 21.9 32 +0.7 0 0 33.2 −0.5 0 −0.8 CBW077 Dimensions in mm. Fig.1 E71/33/32 core half. Core halves AL measured in combination with a non-gapped core half, clamping force for AL measurements 60 ±20 N, unless stated otherwise. GRADE 3C90 TOTAL AIR GAP (µm) AL (nH) µe 100 ±5%(1) ≈ 17 ≈ 17800 E71/33/32-3C90-E100 160 ±5%(1) ≈ 28 ≈ 9620 E71/33/32-3C90-E160 250 ±5%(1) ≈ 43 ≈ 5280 E71/33/32-3C90-E250 315 ±5%(1) ≈ 55 ≈ 3900 E71/33/32-3C90-E315 400 ±8%(1) ≈ 69 ≈ 2860 E71/33/32-3C90-E400 ≈ 109 ≈ 1620 E71/33/32-3C90-E630 630 ±10%(1) TYPE NUMBER 10800 ±25% ≈ 1880 ≈0 E71/33/32-3C90 3C92 8000 ±25% ≈ 1390 ≈0 E71/33/32-3C92 3C94 10800 ±25% ≈ 1880 ≈0 E71/33/32-3C94 3C95 13330 ±25% E71/33/32-3C95 3F3 ≈ 2315 ≈0 ±5%(1) ≈ 17 ≈ 17800 E71/33/32-3F3-E100 160 ±5%(1) ≈ 28 ≈ 9620 E71/33/32-3F3-E160 250 ±5%(1) ≈ 43 ≈ 5280 E71/33/32-3F3-E250 315 ±5%(1) ≈ 55 ≈ 3900 E71/33/32-3F3-E315 400 ±8%(1) ≈ 69 ≈ 2860 E71/33/32-3F3-E400 ≈ 109 ≈ 1620 E71/33/32-3F3-E630 ≈ 1740 ≈0 100 630 ±10%(1) 10000 ±25% Note 1. Measured in combination with an equal gapped core half. 2008 Sep 01 2 E71/33/32-3F3 Ferroxcube E cores and accessories E71/33/32 Properties of core sets under power conditions 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 f = 100 kHz; B̂ = 100 mT; T = 100 °C f = 100 kHz; B̂ = 200 mT; T = 25 °C 3C90 ≥320 ≤ 12 ≤ 16.5 3C92 ≥370 − ≤ 11.5 3C94 ≥320 − 3C95 ≥320 3F3 ≥320 GRADE 2008 Sep 01 f = 100 kHz; B̂ = 200 mT; T = 100 °C f = 400 kHz; ˆ = 50 mT; B T = 100 °C − − − − ≤ 60 − ≤ 11.5 − ≤ 60 − − − ≤ 73.4 ≤ 69.4 − − ≤ 14 − − ≤ 29 3 Ferroxcube E cores and accessories E71/33/32 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 4