EP20-3C81

EP20 FERROXCUBE | Alldatasheet

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Technical content

Supersedes data of September 2004 2008 Sep 01 FERROXCUBE EP20 EP cores and accessories

2008 Sep 01 712

EP cores and accessories EP20 CORE SETS Effective core parameters SYMBOL PARAMETER VALUE UNIT Σ(I/A) core factor (C1) 0.520 mm −1 Ve effective volume 3230 mm 3 Ie effective length 41.1 mm Ae effective area 78.7 mm 2 Amin minimum area 60.8 mm 2 m mass of set ≈27 g Fig.1 EP20 core set. Dimensions in mm. handbook, halfpage /;/;/; /;/;/; /;/;/; /;/;/; MBG178 4.5 ± 0.2 ± 0.35 21.4 ± 0.2 14.4 ± 0.3 8.8 ± 0.25 16.5 ± 0.4 24 ± 0.5 Core sets for general purpose transformers and power applications Clamping force for AL measurements, 60 ±20 N. GRADE AL (nH) µe TOTAL AIR GAP (µm) TYPE NUMBER 3C81 160 ±3% ≈ 67 ≈ 790 EP20-3C81-E160 250 ±3% ≈ 104 ≈ 460 EP20-3C81-A250 315 ±3% ≈ 131 ≈ 350 EP20-3C81-A315 400 ±3% ≈ 166 ≈ 260 EP20-3C81-A400 630 ±5% ≈ 262 ≈ 150 EP20-3C81-A630 4900 ±25% ≈ 2040 ≈ 0 EP20-3C81 3C91 4900 ±25% ≈ 2040 ≈ 0 EP20-3C91 3C94 160 ±3% ≈ 67 ≈ 790 EP20-3C94-E160 250 ±3% ≈ 104 ≈ 460 EP20-3C94-A250 315 ±3% ≈ 131 ≈ 350 EP20-3C94-A315 400 ±3% ≈ 166 ≈ 260 EP20-3C94-A400 630 ±5% ≈ 262 ≈ 150 EP20-3C94-A630 4435 ±25% ≈ 1840 ≈ 0 EP20-3C94 3C96 3850 ±25% ≈ 1600 ≈ 0 EP20-3C96

2008 Sep 01 713

EP cores and accessories EP20 Properties of core sets under power conditions Properties of core sets under power conditions (continued) Note 1. Measured at 60 °C. 3F3 160 ±3% ≈ 67 ≈ 790 EP20-3F3-E160 250 ±3% ≈ 104 ≈ 460 EP20-3F3-A250 315 ±3% ≈ 131 ≈ 350 EP20-3F3-A315 400 ±3% ≈ 166 ≈ 260 EP20-3F3-A400 630 ±5% ≈ 262 ≈ 150 EP20-3F3-A630 3550 ±25% ≈ 1480 ≈ 0 EP20-3F3 GRADE B (mT) at CORE LOSS (W) at H = 250 A/m; f=2 5k H z ; T = 100 °C f = 25 kHz; = 200 mT; T = 100 °C f=1 0 0k H z ; = 100 mT; T=1 0 0 °C f=1 0 0k H z ; = 200 mT; T = 100 °C f=4 0 0k H z ; =5 0m T ; T=1 0 0 °C GRADE B (mT) at CORE LOSS (W) at H = 250 A/m; f=2 5k H z ; T = 100 °C f = 500 kHz; =5 0m T ; T = 100 °C f=5 0 0k H z ; = 100 mT; T = 100 °C f=1M H z ; =3 0m T ; T = 100 °C f=3M H z ; =1 0m T ; T=1 0 0 °C GRADE AL (nH) µe TOTAL AIR GAP (µm) TYPE NUMBER Bˆ Bˆ Bˆ Bˆ Bˆ Bˆ Bˆ Bˆ

2008 Sep 01 714

EP cores and accessories EP20 COIL FORMER General data Winding data and area product for 10-pins EP20 coil former PARAMETER SPECIFICATION Coil former material phenolformaldehyde (PF), glass-reinforced, flame retardant in accordance with “UL 94V-0”; UL file number E41429(M) Pin material copper-clad steel, tin (Sn) plated Maximum operating temperature 180 °C, “IEC 60085”, class H 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 NUMBER OF SECTIONS MINIMUM WINDING AREA (mm2) NOMINAL WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) AREA PRODUCT Ae x Aw (mm4) TYPE NUMBER 1 40.3 12.4 39.4 3170 CSH-EP20-1S-10P-T 2 2 x 19.0 2 x 5.95 39.4 2 x 1500 CSH-EP20-2S-10P-T 2.65 0 −0.1 ∅10.25 +0.05 −0.15 9.2 ±0.1 15.9 ±0.1 25.1 ±0.2 20.32 ±0.05 13.9 ±0.1 12.5 ±0.1 17.78 ±0.05 5 ±0.5 1.5 ±0.1 17.78 5.08 1+0.15 21.9 ±0.2 CBW623 0.5 ±0.02 0.6 ± 0.1 Fig.2 EP20 coil former: 10-pins. Dimensions in mm.

2008 Sep 01 715

EP cores and accessories EP20 MOUNTING PARTS General data ITEM REMARKS FIGURE TYPE NUMBER Clasp steel, tin (Sn) plated (thickness 3-5 microns) 3 CLA-EP20-Z Spring copper-tin alloy (CuSn), tin (Sn) plated 4 SPR-EP20-Z 5.2 ± 0.15 4.2 25.4 ± 0.1 6.5 ± 0.1 23.3 3.5 18.2 ± 0.1 ± 0.1 MFP176 Fig.3 Mounting clasp CLA-EP20. Dimensions in mm. 26.5 1.8 0.4 21.2 ± 0.15 5.5 ± 0.1 5.5 ± 0.1 12 ± 0.1 MFP177 Fig.4 Mounting spring SPR-EP20. Dimensions in mm.

2008 Sep 01 716

EP cores and accessories EP20 DATA SHEET STATUS DEFINITIONS 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 DATA SHEET STATUS PRODUCT STATUS DEFINITIONS Preliminary specification Development This data sheet contains prelimin ary 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. 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.