FERROXCUBE DATA SHEET EC35 EC cores and accessories Supersedes data of September 2004 2008 Sep 01 Ferroxcube EC cores and accessories EC35 CORE SETS Effective core parameters SYMBOL handbook, halfpage PARAMETER VALUE 12.3 0.4 UNIT 17.3 0.15 Σ(I/A) core factor (C1) 0.918 mm −1 Ve effective volume 6530 mm 3 Ie effective length 77.4 mm Ae effective area 84.3 mm 2 35.3 max Amin minimum area 71 mm 2 m mass of core half ≈ 19 g 22.75 0.55 9.5 0.3 9.5 0.3 MGC397 Dimensions in mm. Fig.1 EC35 core half. Core halves AL measured in combination with an non-gapped core half, unless stated otherwise. GRADE 3C81 AL (nH) TYPE NUMBER 100 ± 3%(1) ≈ 73 ≈ 1470 EC35-3C81-E100 160 ± 3%(1) ≈ 117 ≈ 820 EC35-3C81-E160 250 ± 3% ≈ 184 ≈ 470 EC35-3C81-A250 315 ± 5% ≈ 231 ≈ 350 EC35-3C81-A315 400 ± 10% ≈ 290 ≈ 260 EC35-3C81-A400 ≥ 1640 ≈0 ≈ 73 ≈ 1470 ≥ 2250 3C90 TOTAL AIR GAP (µm) µe 100 ± 3%(1) 160 ± 3%(1) EC35-3C81 EC35-3C90-E100 ≈ 117 ≈ 820 EC35-3C90-E160 250 ± 3% ≈ 184 ≈ 470 EC35-3C90-A250 315 ± 5% ≈ 231 ≈ 350 EC35-3C90-A315 400 ±10% ≈ 290 ≈ 260 EC35-3C90-A400 2100 ±25% ≈ 1530 ≈0 EC35-3C90 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 ≥320 ≤ 1.40 − 3C90 ≥320 ≤ 0.79 ≤ 0.83 GRADE 2008 Sep 01 598 f = 100 kHz; ˆ = 100 mT; B T = 100 °C Ferroxcube EC cores and accessories EC35 COIL FORMERS General data 8-slots EC35 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 handbook, full pagewidth 31.35 max 34.0 ref 23.5 23.75 max 21.9 max 12.2 7.6 28.75 max MGB689 21.5 9.85 min 30.5 ± 0.25 Dimensions in mm. Fig.2 EC35 coil former; 8-slots. Winding data and area product for 8-slots EC35 coil former for insertable pins Coil formers with inserted pins are available on request. NUMBER OF SECTIONS MINIMUM WINDING AREA (mm2) NOMINAL WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) AREA PRODUCT Ae x Aw (mm 4) 1 97.1 21.5 53.1 8190 2008 Sep 01 599 TYPE NUMBER CP-EC35-1S Ferroxcube EC cores and accessories EC35 MOUNTING PARTS General data and ordering information ITEM REMARKS Insertable pins MOUNT solderability: “IEC 68-2-20”, Part 2, Test Ta, method 1; material: copper-zinc alloy (CuZn), tin (Sn) plated FIGURE TYPE NUMBER general 3 PIN-EC horizontal 4 PIN/H-EC Base plate 2 holes aluminium 5 BPL2-EC35 Base plate 4 holes aluminium 6 BPL4-EC35 Clamp 7 CLM/U-EC35 copper-zinc alloy (CuZn) 15.8 handbook, halfpage handbook, halfpage 1.6 2.35 3.15 15.6 3.0 1.5 0.6 1.5 0.3 0.5 MGB545 MGB546 Dimensions in mm. Dimensions in mm. Fig.3 EC pin; general mount. Fig.4 EC pin; horizontal mount. handbook, halfpage 39.4 handbook, halfpage 54 42.5 31.6 31.6 2.65 9.5 2.65 2.65 2.65 4.45 9.5 3.8 1 1 MGB540 MGB541 Dimensions in mm. Dimensions in mm. Fig.5 EC35 base plate; 2 holes. 2008 Sep 01 Fig.6 EC35 base plate; 4 holes. 600 2.2 Ferroxcube EC cores and accessories EC35 handbook, halfpage Ø 2.1 42.2 3-48 NC 2A THD 2 PLACES 10.2 min 32.4 MGB536 Dimensions in mm. Fig.7 EC35 clamp. 2008 Sep 01 601 Ferroxcube EC cores and accessories EC35 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 01 602