FERROXCUBE DATA SHEET EC70 EC cores and accessories Supersedes data of September 2004 2008 Sep 01 Ferroxcube EC cores and accessories EC70 CORE SETS Effective core parameters SYMBOL handbook, halfpage PARAMETER VALUE 22.75 0.45 UNIT 34.5 0.15 Σ(I/A) core factor (C1) 0.514 mm −1 Ve effective volume 40100 mm 3 Ie effective length 144 mm Ae effective area 279 mm 2 71.7 max Amin minimum area 211 mm 2 m mass of core half ≈ 127 g 44.5 1.2 16.4 0.4 16.4 0.4 MGC407 Dimensions in mm. Fig.1 EC70 core half. Core halves AL measured in combination with an non-gapped core half, unless stated otherwise. GRADE 3C81 3C90 AL (nH) TOTAL AIR GAP (µm) µe TYPE NUMBER 250 ± 3%(1) ≈ 102 ≈ 1830 EC70-3C81-E250 315 ± 3%(1) ≈ 130 ≈ 1370 EC70-3C81-E315 400 ± 3%(1) ≈ 165 ≈ 1020 EC70-3C81-E400 630 ± 5% ≈ 256 ≈ 580 EC70-3C81-A630 1000 ± 10% ≈ 406 ≈ 320 EC70-3C81-A1000 ≥ 4000 ≥ 1620 ≈0 250 ± 3%(1) ≈ 102 ≈ 1830 EC70-3C90-E250 315 ± 3%(1) ≈ 130 ≈ 1370 EC70-3C90-E315 400 ± EC70-3C81 ≈ 165 ≈ 1020 EC70-3C90-E400 630 ± 5% ≈ 256 ≈ 580 EC70-3C90-A630 1000 ± 10% ≈ 406 ≈ 320 EC70-3C90-A1000 3900 ± 25% ≈ 1580 ≈0 3%(1) EC70-3C90 Note 1. Measured in combination with an equal gapped core half (symmetrical air gap). 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 3C81 ≥330 ≤ 8.2 − 3C90 ≥330 ≤ 4.9 ≤ 5.1 GRADE 2008 Sep 01 616 f = 100 kHz; ˆ = 100 mT; B T = 100 °C Ferroxcube EC cores and accessories EC70 COIL FORMERS General data 8-slots EC70 coil former for insertable pins PARAMETER SPECIFICATION Coil former material polyamide (PA6.6), glass-reinforced, flame retardant in accordance with “UL 94V-0”; UL file number E44716(M) Maximum operating temperature 130 °C, “IEC 60085”, class B 3.81 51.4 ±0.25 50.8 ±0.64 17.15 41.45 ±0.25 6 19.5 ±0.13 42.45 ±0.25 17.15 ±0.15 4.5 56.5 ±0.25 10.16 30.48 50.8 44.15 ±0.64 MFW050 56.5 ±0.25 Dimensions in mm. Fig.2 EC70 coil former; 8-slots. Winding data and area product for 8-slots EC70 coil former for insertable pins; see note 1 NUMBER OF SECTIONS MINIMUM WINDING AREA (mm2) NOMINAL WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) AREA PRODUCT Ae x Aw (mm4) 1 465 41.5 97.3 130000 Note 1. Coil formers with inserted pins are available on request. 2008 Sep 01 617 TYPE NUMBER CP-EC70-1S Ferroxcube EC cores and accessories EC70 MOUNTING PARTS General data and ordering information ITEM REMARKS Insertable pins Clamp MOUNT solderability: “IEC 68-2-20”, Part 2, Test Ta, method 1 material : copper-zinc alloy (CuZn), tin (Sn) plated FIGURE general 3 PIN-EC horizontal 4 PIN/H-EC vertical 5 PIN/V-EC70 6 CLM/U-EC70 7 BPL4-EC70 copper-zinc alloy (CuZn) Base plate 4 holes aluminium handbook, halfpage 15.8 handbook, halfpage 1.6 2.35 3.15 TYPE NUMBER 15.6 3.0 1.5 1.5 0.3 0.6 2.2 0.5 MGB545 MGB546 Dimensions in mm. Dimensions in mm. Fig.3 EC pin; general mount. Fig.4 EC pin; horizontal mount. handbook, halfpage handbook, halfpage 22.9 12.7 2.85 Ø 2.9 1.6 3.1 78.7 0.5 MGB549 12.7 min 6-32 NC 2A THD 2 PLACES 65.4 Dimensions in mm. Dimensions in mm. Fig.5 EC70 pin; vertical mount. 2008 Sep 01 Fig.6 EC70 clamp. 618 MGB539 Ferroxcube EC cores and accessories handbook, halfpage EC70 95.3 82.6 64.7 15.9 3.7 3.7 7.5 1 MGB544 Dimensions in mm. Fig.7 EC70 base plate; 4-holes. 2008 Sep 01 619 Ferroxcube EC cores and accessories EC70 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 01 620