FERROXCUBE DATA SHEET E42/21/20 E cores and accessories Supersedes data of September 2004 2008 Sep 01 Ferroxcube E cores and accessories E42/21/20 CORE SETS Effective core parameters SYMBOL PARAMETER VALUE UNIT Σ(I/A) core factor (C1) 0.417 mm−1 Ve effective volume 22700 mm3 Ie effective length 97.0 mm Ae effective area 233 mm2 Amin minimum area 233 mm2 m mass of core half ≈ 56 g 0 −1.7 +1.4 29.5 0 0 12.2 −0.5 43 handbook, halfpage R < 0.6 14.8 +0.6 0 21 ±0.2 R2 20 0 −0.8 CBW054 Dimensions in mm. Fig.1 E42/21/20 core half. Core halves AL measured in combination with a non-gapped core half, clamping force for AL measurements 40 ±20 N, unless stated otherwise. GRADE 3C81 3C90 TOTAL AIR GAP (µm) AL (nH) µe 100 ±5%(1) ≈ 33 ≈ 5320 E42/21/20-3C81-E100 160 ±5%(1) ≈ 53 ≈ 2800 E42/21/20-3C81-E160 250 ±5%(1) ≈ 83 ≈ 1540 E42/21/20-3C81-E250 315 ±5%(1) ≈ 104 ≈ 1160 E42/21/20-3C81-E315 TYPE NUMBER 400 ±8% ≈ 133 ≈ 850 E42/21/20-3C81-A400 630 ±15% ≈ 209 ≈ 490 E42/21/20-3C81-A630 6950 ±25% ≈ 2300 ≈0 ±5%(1) ≈ 33 ≈ 5320 E42/21/20-3C90-E100 160 ±5%(1) ≈ 53 ≈ 2800 E42/21/20-3C90-E160 250 ±5%(1) ≈ 83 ≈ 1540 E42/21/20-3C90-E250 315 ±5%(1) 100 E42/21/20-3C81 ≈ 104 ≈ 1160 E42/21/20-3C90-E315 400 ±8% ≈ 133 ≈ 850 E42/21/20-3C90-A400 630 ±15% ≈ 209 ≈ 490 E42/21/20-3C90-A630 5000 ±25% ≈ 1660 ≈0 E42/21/20-3C90 3C91 6950 ±25% ≈ 2300 ≈0 E42/21/20-3C91 3C92 4100 ±25% ≈ 1360 ≈0 E42/21/20-3C92 3C94 5200 ±25% ≈ 1720 ≈0 E42/21/20-3C94 2008 Sep 01 415 Ferroxcube E cores and accessories AL (nH) GRADE 3C95 3F3 E42/21/20 TOTAL AIR GAP (µm) µe 6950 ±25% TYPE NUMBER ≈ 2300 ≈0 100 ±5%(1) ≈ 33 ≈ 5320 E42/21/20-3F3-E100 160 ±5%(1) ≈ 53 ≈ 2800 E42/21/20-3F3-E160 250 ±5%(1) ≈ 83 ≈ 1540 E42/21/20-3F3-E250 ±5%(1) ≈ 104 ≈ 1160 E42/21/20-3F3-E315 315 E42/21/20-3C95 400 ±8% ≈ 133 ≈ 850 E42/21/20-3F3-A400 630 ±15% ≈ 209 ≈ 490 E42/21/20-3F3-A630 4600 ±25% ≈1520 ≈0 E42/21/20-3F3 Note 1. Measured in combination with an equal gapped core half. 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 f = 100 kHz; ˆ = 200 mT; B T = 100 °C f = 400 kHz; ˆ = 50 mT; B 3C81 ≥320 ≤ 4.7 − − − − 3C90 ≥320 ≤ 2.4 ≤ 2.9 − − − GRADE ≤ T = 100 °C 3C91 ≥320 − 3C92 ≥370 − ≤ 2.3 − ≤ 12 − 3C94 ≥320 − ≤ 2.3 − ≤ 12 − 3C95 ≥320 − − ≤ 14.3 ≤ 13.6 − 3F3 ≥320 − ≤ 2.7 − − ≤ 5.0 1.8 (1) Note 1. Measured at 60 °C. 2008 Sep 01 416 − ≤ 9.4(1) − Ferroxcube E cores and accessories E42/21/20 COIL FORMER General data for E42/21/20 coil former PARAMETER SPECIFICATION Coil former material polyamide (PA6.6), glass reinforced, flame retardant in accordance with “UL 94-HB” ; UL file number E41938(M) Maximum operating temperature 105 °C, “IEC 60085”, class A 29.3 max. 12.2 min. handbook, full pagewidth 25.9 37.5 20.1 max. min. 23.45 CBW055 Dimensions in mm. Fig.2 E42/21/20 coil former. Winding data and area product for E42/21/20 coil former without pins NUMBER OF SECTIONS MINIMUM WINDING AREA (mm2) NOMINAL WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) AREA PRODUCT Ae x Aw (mm4) 1 173 25.9 100 40300 2008 Sep 01 417 TYPE NUMBER CP-E42/21/20-1S Ferroxcube E cores and accessories E42/21/20 General data for 12-pins E42/21/20 coil former PARAMETER SPECIFICATION Coil former material polyamide (PA6.6), glass reinforced, flame retardant in accordance with “UL 94-HB” ; UL file number E41938(M) Pin material copper-tin alloy (CuSn), tin (Sn) plated Maximum operating temperature 105 °C, “IEC 60085”, class A 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 34.2 max. handbook, full pagewidth 14.65 28.1 max. 12.6 min. 26.3 20.1 min. 39.85 max. 22.35 6.8 min. 0.4 5 1.15 34.9 CBW056 38.55 max. 3.5 min. Dimensions in mm. Fig.3 E42/21/20 coil former; 12-pins. Winding data and area product for 12-pins E42/21/20 coil former NUMBER OF SECTIONS MINIMUM WINDING AREA (mm2) NOMINAL WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) AREA PRODUCT Ae x Aw (mm4) 1 255 26.3 78.5 59400 2008 Sep 01 418 TYPE NUMBER CPH-E42/20-1S-12PD-Z Ferroxcube E cores and accessories E42/21/20 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 01 419