FERROXCUBE DATA SHEET ETD39/20/13 ETD cores and accessories Supersedes data of September 2004 2008 Sep 01 Ferroxcube ETD cores and accessories ETD39/20/13 CORE SETS Effective core parameters handbook, halfpage SYMBOL PARAMETER VALUE UNIT Σ(I/A) core factor (C1) 0.737 mm−1 Ve effective volume 11500 mm3 Ie effective length 92.2 mm Ae effective area 125 mm2 Amin minimum area 123 mm2 m mass of core half ≈ 30 g 14.2 0.8 0 19.8 0.2 0 40 1.8 29.3 1.6 0 0 12.8 0.6 0 12.8 0.6 MGC262 Dimensions in mm. Fig.1 ETD39/20/13 core half. Core halves Clamping force for AL measurements, 40 ±20 N. Gapped cores are available on request. GRADE AL (nH) AIR GAP (µm) µe TYPE NUMBER 3C90 3000 ±25% ≈ 1760 ≈0 ETD39/20/13-3C90 3C94 3000 ±25% ≈ 1760 ≈0 ETD39/20/13-3C94 3C95 3650 ±25% ≈ 2145 ≈0 ETD39/20/13-3C95 3F3 2800 ±25% ≈ 1640 ≈0 ETD39/20/13-3F3 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; ˆ = 100 mT; B T = 100 °C f = 100 kHz; ˆ = 200 mT; B T = 25 °C 3C90 ≥330 ≤ 1.4 ≤ 1.5 3C94 ≥330 − ≤ 1.2 3C95 ≥330 − 3F3 ≥320 − GRADE 2008 Sep 01 f = 100 kHz; ˆ = 200 mT; B T = 100 °C f = 400 kHz; ˆ = 50 mT; B T = 100 °C − − − − ≤ 6.0 − − ≤ 7.25 ≤ 6.9 − ≤ 1.4 − − ≤ 2.5 2 Ferroxcube ETD cores and accessories ETD39/20/13 COIL FORMER General data 16-pins ETD39/20/13 coil former PARAMETER SPECIFICATION Coil former material polybutyleneterephtalate (PBT), glass-reinforced, flame retardant in accordance with “UL 94V-0”; UL file number E45329(R) Pin 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 44.6 max. 47.8 max. 40.3 min. 0 29.1 −0.2 13.1 +0.1 0 0 28.2 −0.2 25.7 min. handbook, full pagewidth 5.08 0 ∅15.1 −0.2 36.1 max. 1.6 +0.15 0 4 CBW279 5.08 0.8 5.08 35.56 30.48 Dimensions in mm. Fig.2 ETD39/20/13 coil former; 16-pins. Winding data and area product for 16-pins ETD39/20/13 coil former NUMBER OF SECTIONS WINDING AREA (mm2) MINIMUM WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) AREA PRODUCT Ae x Aw (mm4) 1 177 25.7 69 22100 Note 1. Also available with ∅1.0 mm pins. 2008 Sep 01 3 TYPE NUMBER CPH-ETD39-1S-16P(1) Ferroxcube ETD cores and accessories ETD39/20/13 MOUNTING PARTS General data ITEM REMARKS Mounting clip FIGURE material: stainless steel 3 9 handbook, halfpage 42.8 min. 27 CBW591 0.4 12.6 Dimensions in mm. Fig.3 Mounting clip for ETD39/20/13. 2008 Sep 01 4 TYPE NUMBER CLI-ETD39 Ferroxcube ETD cores and accessories ETD39/20/13 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 5