FERRITE CERAMICS DATA SHEET ETD59 ETD cores and accessories Product specification Supersedes data of November 1997 File under Ferrite Ceramics, MA01 1999 Dec 23 Philips Components Product specification ETD cores and accessories ETD59 CORE SETS Effective core parameters SYMBOL PARAMETER VALUE UNIT handbook, halfpage Σ(I/A) core factor (C1) 0.378 mm−1 Ve effective volume 51500 mm3 Ie effective length 139 mm Ae effective area 368 mm2 Amin minimum area 360 mm2 59.8 1.3 m mass of core half ≈130 g 44.7 1.1 22.5 0.4 31.0 0.2 21.65 0.45 21.65 0.45 MGC275 Dimensions in mm. Fig.1 ETD59 core half. Core halves Clamping force for AL measurements, 70 ±20 N. Gapped cores are available on request. AL (nH) µe AIR GAP (µm) 3C90 6000 ±25% ≈1950 ≈0 ETD59-3C90 3F3 5600 ±25% ≈1800 ≈0 ETD59-3F3 GRADE TYPE NUMBER 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 = 400 kHz; ˆ = 50 mT; B T = 100 °C 3C90 ≥330 ≤6.2 ≤7.3 − 3F3 ≥320 − ≤6.7 ≤12.8 GRADE 1999 Dec 23 2 Philips Components Product specification ETD cores and accessories ETD59 COIL FORMER General data 24-pins ETD59 coil former PARAMETER SPECIFICATION Coil former material polybutyleneterephtalate (PBT), glass-reinforced, flame retardant in accordance with “UL 94V-0” ; UL file number E41613(M) Pin material copper-tin alloy (CuSn), tin-lead alloy (SnPb) plated Maximum operating temperature 155 °C, “IEC 60085” class F “IEC 60068-2-20” , Part 2, Test Tb, method 1B, 350 °C, 3.5 s “IEC 60068-2-20”, Part 2, Test Ta, method 1 Resistance to soldering heat Solderability 5.08 handbook, full pagewidth 66.9 max. 43 0 −0.35 66.4 max. 43.7 0 −0.35 41.2 min. 22.4 +0.25 0 0.05 3.4 +0.15 0 ∅24.9 0 −0.3 49.4 max. 4.5 CBW102 ∅1 5.08 60.96 1.6 +0.15 0 50.8 Dimensions in mm. Fig.2 ETD59 coil former; 24-pins. Winding data for 24-pins ETD59 coil former NUMBER OF SECTIONS WINDING AREA (mm2) MINIMUM WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) 1 366 41.2 106 1999 Dec 23 3 TYPE NUMBER CPH-ETD59-1S-24P Philips Components Product specification ETD cores and accessories ETD59 MOUNTING PARTS General data ITEM REMARKS Mounting clip FIGURE material: stainless steel 3 12.9 handbook, halfpage 22.1 8 65.2 45 min MBE945 0.4 Dimensions in mm. Fig.3 Mounting clip for ETD59. 1999 Dec 23 4 TYPE NUMBER CLI-ETD59