FERROXCUBE DATA SHEET EFD12/6/3.5 EFD cores and accessories Supersedes data of September 2004 2008 Sep 01 Ferroxcube EFD cores and accessories EFD12/6/3.5 CORES Effective core parameters SYMBOL PARAMETER handbook, halfpage VALUE UNIT 4.55 6.2 ±0.15 ±0.1 Σ(I/A) core factor (C1) 2.50 mm−1 Ve effective volume 325 mm3 Ie effective length 28.5 mm Ae effective area 11.4 mm2 12.5 ± 0.3 Amin minimum area 10.7 mm2 m mass of core half ≈ 0.9 g 9 ±0.25 5.4 ±0.15 3.5 ±0.1 0.2 2 ±0.1 CBW268 Dimensions in mm. Fig.1 EFD12/6/3.5 core half. Core sets Clamping force for AL measurements, 15 ±5 N. GRADE 3C90 3C94 3C96 3F3 AL (nH) AIR GAP (µm) µe TYPE NUMBER 40 ±5% ≈ 80 ≈ 540 EFD12/6/3.5-3C90-A40-S 63 ±8% ≈ 125 ≈ 290 EFD12/6/3.5-3C90-A63-S 100 ±10% ≈ 200 ≈ 160 EFD12/6/3.5-3C90-A100-S 825 ±25% ≈ 1610 ≈0 EFD12/6/3.5-3C90-S 40 ±5% ≈ 80 ≈ 540 EFD12/6/3.5-3C94-A40-S 63 ±8% ≈ 125 ≈ 290 EFD12/6/3.5-3C94-A63-S 100 ±10% ≈ 200 ≈ 160 EFD12/6/3.5-3C94-A100-S 825 ±25% ≈ 1610 ≈0 EFD12/6/3.5-3C94-S 750 ±25% ≈ 1460 ≈0 EFD12/6/3.5-3C96-S 40 ±5% ≈ 80 ≈ 540 EFD12/6/3.5-3F3-A40-S 63 ±8% ≈ 125 ≈ 290 EFD12/6/3.5-3F3-A63-S 100 ±10% ≈ 200 ≈ 160 EFD12/6/3.5-3F3-A100-S 700 ±25% ≈ 1370 ≈0 3F35 550 ±25% ≈ 1070 ≈0 3F4 40 ±5% ≈ 80 ≈ 500 EFD12/6/3.5-3F4-A40-S 63 ±8% ≈ 125 ≈ 260 EFD12/6/3.5-3F4-A63-S 100 ±10% ≈ 200 ≈ 130 EFD12/6/3.5-3F4-A100-S 380 ±25% ≈ 730 ≈0 EFD12/6/3.5-3F4-S 380 ±25% ≈ 730 ≈0 EFD12/6/3.5-3F45-S 3F45 2008 Sep 01 630 EFD12/6/3.5-3F3-S EFD12/6/3.5-3F35-S Ferroxcube EFD cores and accessories EFD12/6/3.5 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 = 100 kHz; ˆ = 100 mT; B T = 100 °C 3C90 ≥320 3C94 ≥320 3C96 ≥340 3F35 3F3 3F4 ≥250 GRADE f = 100 kHz; ˆ = 200 mT; B T = 100 °C f = 400 kHz; ˆ = 50 mT; B T = 100 °C f = 500 kHz; ˆ = 50 mT; B T = 100 °C ≤ 0.036 − − − ≤ 0.029 ≤ 0.2 − − ≤ 0.022 ≤ 0.15 ≤ 0.06 ≤ 0.12 ≥300 − − ≤ 0.03 ≤ 0.045 ≥315 ≤ 0.04 − ≤ 0.065 − − − − Properties of core sets under power conditions (continued) B (mT) at CORE LOSS (W) at H = 250 A/m; f = 25 kHz; T = 100 °C f = 500 kHz; ˆ = 100 mT; B T = 100 °C f = 1 MHz; ˆ = 30 mT; B T = 100 °C f = 1 MHz; ˆ = 50 mT; B T = 100 °C f = 3 MHz; ˆ = 10 mT; B T = 100 °C 3C90 ≥320 − − − − 3C94 ≥320 − − − − 3C96 ≥340 − − − − 3F35 ≥300 ≤ 0.35 − − − 3F3 ≥315 − − − − 3F4 ≥250 − ≤ 0.095 − ≤ 0.15 3F45 ≥250 − ≤ 0.075 ≤ 0.28 ≤ 0.12 GRADE 2008 Sep 01 631 Ferroxcube EFD cores and accessories EFD12/6/3.5 COIL FORMERS General data ITEM SPECIFICATION Coil former material liquid crystal polymer (LCP), glass reinforced, flame retardant in accordance with “UL 94V-0” ; UL file number E83005(M) Solder pad material copper-tin alloy (CuSn), tin (Sn) plated Maximum operating temperature 155 °C, “IEC 60085”, class F Resistance to soldering heat “IEC 60068-2-20” , Part 2, Test Tb, method 1B, 350 °C, 3.5 s Solderability “IEC 60068-2-20”, Part 2, Test Ta, method 1: 235 °C, 2 s handbook, full pagewidth 0.1 2.2 0 1.8 0 8.65 0.15 0 6.55 0.1 0 8.7 0.15 5.7 ± 0.05 (7.65 min) 3.1 0.8 2.8 0 6.2 0.1 max 3 0.3 0.3 12.5 2 ± 0.2 1.8 13.4 0 16 0.3 9 13.7 max 3 MGC341 Dimensions in mm. Fig.2 EFD12/6/3.5 coil former (SMD); 8-solder pads. Winding data and area product for EFD12/6/3.5 coil former (SMD) with 8-solder pads NUMBER OF SECTIONS NUMBER OF SOLDER PADS MINIMUM WINDING AREA (mm2) MINIMUM WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) AREA PRODUCT Ae x Aw (mm4) 1 8 6.5 7.65 18.6 74.1 2008 Sep 01 632 TYPE NUMBER CPHS-EFD12-1S-8P-Z Ferroxcube EFD cores and accessories EFD12/6/3.5 MOUNTING PARTS General data ITEM Clamp REMARKS FIGURE stainless steel (CrNi); clamping force ≈20 N 3 14 −0.3 12.5 ±0.2 10.5 9.4 handbook, full pagewidth 2.5 12 −0.3 4 11.5 CBW496 Dimensions in mm. Fig.3 EFD12/6/3.5 mounting clamp. 2008 Sep 01 633 TYPE NUMBER CLM-EFD12 Ferroxcube EFD cores and accessories EFD12/6/3.5 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 01 634