FERROXCUBE DATA SHEET E38/8/25 Planar E cores and accessories Supersedes data of September 2004 2008 Sep 01 Ferroxcube Planar E cores and accessories E38/8/25 CORES Effective core parameters of a set of E cores SYMBOL PARAMETER VALUE Σ(I/A) core factor (C1) 0.272 mm−1 Ve effective volume 10200 mm3 Ie effective length 52.4 mm Ae effective area 194 mm2 Amin minimum area 194 mm2 m mass of core half ≈ 25 g 38.1 ±0.76 handbook, halfpage UNIT 30.23 min. 7.6 ±0.2 4.45 ±0.13 8.26 ±0.13 25.4 ±0.51 CBW409 R0.64 ref. typ. R0.81 ref. typ. R0.64 ref. typ. Dimensions in mm. Fig.1 E38/8/25 core half. Effective core parameters of an E/PLT combination SYMBOL PARAMETER VALUE UNIT Σ(I/A) core factor (C1) 0.226 mm−1 Ve effective volume 8460 mm3 Ie effective length 43.7 mm Ae effective area 194 mm2 Amin minimum area 194 mm2 m mass of plate ≈ 18 g handbook, halfpage 38.1 ±0.76 3.81 ±0.13 Ordering information for plates GRADE 25.4 ±0.51 TYPE NUMBER 3C90 PLT38/25/3.8-3C90 3C92 PLT38/25/3.8-3C92 3C93 PLT38/25/3.8-3C93 3C94 PLT38/25/3.8-3C94 3C95 PLT38/25/3.8-3C95 3F3 PLT38/25/3.8-3F3 3F4 PLT38/25/3.8-3F4 CBW410 R0.64 ref. typ. Dimensions in mm. Fig.2 PLT38/25/3.8. 2008 Sep 01 2 Ferroxcube Planar E cores and accessories E38/8/25 Core halves for use in combination with an E core AL measured in combination with a non-gapped core half, clamping force for AL measurements, 40 ±15 N, unless stated otherwise. GRADE 3C90 AL (nH) TOTAL AIR GAP (µm) µe TYPE NUMBER 250 ±3%(1) ≈ 54 ≈ 1100 E38/8/25-3C90-E250-E 315 ±3%(1) ≈ 68 ≈ 850 E38/8/25-3C90-E315-E 400 ±3%(1) ≈ 86 ≈ 650 E38/8/25-3C90-E400-E 630 ±5% ≈ 136 ≈ 400 E38/8/25-3C90-A630-E 1000 ±10% ≈ 216 ≈ 250 E38/8/25-3C90-A1000-E 7940 ±25% ≈ 1720 ≈0 E38/8/25-3C90 3C92 6100 ±25% ≈ 1320 ≈0 E38/8/25-3C92 3C93 7250 ±25% E38/8/25-3C93 3C94 ≈ 1570 ≈0 ±3%(1) ≈ 54 ≈ 1100 E38/8/25-3C94-E250-E 315 ±3%(1) ≈ 68 ≈ 850 E38/8/25-3C94-E315-E ±3%(1) ≈ 86 ≈ 650 E38/8/25-3C94-E400-E ≈ 136 ≈ 400 E38/8/25-3C94-A630-E E38/8/25-3C94-A1000-E 250 400 630 ±5% 3C95 3F3 1000 ±10% ≈ 216 ≈ 250 7940 ±25% ≈ 1720 ≈0 E38/8/25-3C94 9600 ±25% E38/8/25-3C95 ≈ 2060 ≈0 ±3%(1) ≈ 54 ≈ 1100 E38/8/25-3F3-E250-E 315 ±3%(1) ≈ 68 ≈ 850 E38/8/25-3F3-E315-E ±3%(1) ≈ 86 ≈ 650 E38/8/25-3F3-E400-E 250 400 3F4 630 ±5% ≈ 136 ≈ 400 E38/8/25-3F3-A630-E 1000 ±10% ≈ 216 ≈ 250 E38/8/25-3F3-A1000-E 7250 ±25% ≈ 1570 ≈0 ±3%(1) ≈ 54 ≈ 1100 E38/8/25-3F4-E250-E 315 ±3%(1) ≈ 68 ≈ 850 E38/8/25-3F4-E315-E ±3%(1) ≈ 86 ≈ 650 E38/8/25-3F4-E400-E 250 400 E38/8/25-3F3 630 ±5% ≈ 136 ≈ 400 E38/8/25-3F4-A630-E 1000 ±10% ≈ 216 ≈ 250 E38/8/25-3F4-A1000-E 3880 ±25% ≈ 840 ≈0 E38/8/25-3F4 Note 1. Measured in combination with an equal gapped core half, clamping force for AL measurements, 40 ±15 N. 2008 Sep 01 3 Ferroxcube Planar E cores and accessories E38/8/25 Core halves for use in combination with a plate (PLT) AL measured in combination with a plate (PLT), clamping force for AL measurements, 40 ±15 N. GRADE 3C90 AIR GAP (µm) AL (nH) µe 250 ±3% ≈ 45 ≈ 1100 E38/8/25-3C90-A250-P 315 ±3% ≈ 57 ≈ 850 E38/8/25-3C90-A315-P 400 ±3% ≈ 72 ≈ 650 E38/8/25-3C90-A400-P TYPE NUMBER 630 ±5% ≈ 113 ≈ 400 E38/8/25-3C90-A630-P 1000 ±10% ≈ 180 ≈ 250 E38/8/25-3C90-A1000-P 9250 ±25% ≈ 1660 ≈0 E38/8/25-3C90 3C92 7150 ±25% ≈ 1290 ≈0 E38/8/25-3C92 3C93 8500 ±25% ≈ 1530 ≈0 E38/8/25-3C93 3C94 250 ±3% ≈ 45 ≈ 1100 3C95 3F3 3F4 2008 Sep 01 E38/8/25-3C94-A250-P 315 ±3% ≈ 57 ≈ 850 E38/8/25-3C94-A315-P 400 ±3% ≈ 72 ≈ 650 E38/8/25-3C94-A400-P 630 ±5% ≈ 113 ≈ 400 E38/8/25-3C94-A630-P E38/8/25-3C94-A1000-P 1000 ±10% ≈ 180 ≈ 250 9250 ±25% ≈ 1660 ≈0 E38/8/25-3C94 11200 ±25% ≈ 1990 ≈0 E38/8/25-3C95 ≈ 45 ≈ 1100 250 ±3% E38/8/25-3F3-A250-P 315 ±3% ≈ 57 ≈ 850 E38/8/25-3F3-A315-P 400 ±3% ≈ 72 ≈ 650 E38/8/25-3F3-A400-P 630 ±5% ≈ 113 ≈ 400 E38/8/25-3F3-A630-P 1000 ±10% ≈ 180 ≈ 250 E38/8/25-3F3-A1000-P 8500 ±25% ≈ 1520 ≈0 ≈ 45 ≈ 1100 250 ±3% E38/8/25-3F3 E38/8/25-3F4-A250-P 315 ±3% ≈ 57 ≈ 850 E38/8/25-3F4-A315-P 400 ±3% ≈ 72 ≈ 650 E38/8/25-3F4-A400-P 630 ±5% ≈ 113 ≈ 400 E38/8/25-3F4-A630-P 1000 ±10% ≈ 180 ≈ 250 E38/8/25-3F4-A1000-P 4600 ±25% ≈830 ≈0 4 E38/8/25-3F4 Ferroxcube Planar E cores and accessories E38/8/25 Properties of core sets under power conditions B (mT) at GRADE H = 250 A/m; f = 10 kHz; T = 100 °C CORE LOSS (W) at f = 100 kHz; ˆ = 100 mT; B T = 100 °C f = 100 kHz; ˆ = 200 mT; B T = 25 °C f = 100 kHz; ˆ = 200 mT; B T = 100 °C f = 400 kHz; ˆ = 50 mT; B T = 100 °C E+E38-3C90 ≥320 ≤ 1.25 − − − E+PLT38-3C90 ≥320 ≤ 1.05 − − − E+E38-3C92 ≥370 ≤ 1.0 − ≤ 6.0 − E+PLT38-3C92 ≥370 ≤ 0.85 − ≤ 5.0 − E+E38-3C93 ≥320 ≤ 1.0(1) − ≤ 6.0(1) − E+PLT38-3C93 ≥320 ≤ 0.85(1) − ≤ 5.0(1) − E+E38-3C94 ≥320 ≤ 1.0 − ≤ 6.0 − E+PLT38-3C94 ≥320 ≤ 0.85 − ≤ 5.0 − E+E38-3C95 ≥320 − ≤ 6.43 ≤ 6.12 − E+PLT38-3C95 ≥320 − ≤ 5.0 ≤ 4.74 − E+E38-3F3 ≥300 ≤ 1.3 − − ≤ 2.0 E+PLT38-3F3 ≥300 ≤ 1.1 − − ≤ 1.65 E+E38-3F4 ≥250 − − − − E+PLT38-3F4 ≥250 − − − − 1. Measured at 140 °C. Properties of core sets under power conditions (continued) B (mT) at GRADE H = 250 A/m; f = 10 kHz; T = 100 °C CORE LOSS (W) at f = 500 kHz; ˆ = 50 mT; B T = 100 °C f = 500 kHz; ˆ = 100 mT; B T = 100 °C f = 1 MHz; ˆ = 30 mT; B T = 100 °C f = 3 MHz; ˆ = 10 mT; B T = 100 °C E+E38-3F4 ≥250 − − ≤ 3.0 ≤ 5.0 E+PLT38-3F4 ≥250 − − ≤ 2.5 ≤ 4.0 2008 Sep 01 5 Ferroxcube Planar E cores and accessories E38/8/25 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 6