ETD 59/31/22 B66397 31,2 _ 0,4 ■ In accordance with IEC 61185 ■ For SMPS transformers with optimum weight/performance ratio at small volume ■ ETD cores are supplied as single units 22+0,9 Core Magnetic characteristics (per set) = 0,38 mm–1 = 139 mm = 368 mm2 = 368 mm2 = 51 200 mm3 22,1_ 0,9 22,1_ 0,9 Σl/A le Ae A min Ve Approx. weight 260 g/set 43,6+2,2 59,8±1,4 FEK0066-5 Ungapped µe A L1min P V nH W/set Ordering code Material AL value nH N27 5000 + 30/– 20 % 1500 4170 B66397-G-X127 < 9,62 (200 mT, 25 kHz, 100 °C) N87 5300 + 30/– 20 % 1590 4170 < 5,20 B66397-G-X187 (100 mT, 100 kHz, 100 °C) N97 1) 5500 + 30/– 20 % 1660 4170 < 4,50 B66397-G-X197 (100 mT, 100 kHz, 100 °C) Gapped Material N27, N87 µe mm A L value approx. nH Ordering code ** = 27 (N27) ** = 87 (N87) 0,20 ± 0,02 1,00 ± 0,05 1,50 ± 0,05 2,00 ± 0,05 1588 508 381 311 476 152 114 93 B66397-G200-X1** B66397-G1000-X1** B66397-G1500-X1** B66397-G2000-X1** g The A L value in the table applies to a core set comprising one ungapped core (dimension g = 0) and one gapped core (dimension g > 0). 1) Preliminary data 497 08/01 ETD 59/31/22 Core B66397 Calculation factors (for formulas, see “E cores: general information”, page 382) Calculation of saturation current Material Relationship between air gap – A L value K1 (25 °C) K2 (25 °C) K3 (25 °C) K4 (25 °C) K3 (100 °C) K4 (100 °C) N27 508 – 0,708 853 – 0,847 799 – 0,865 N87 508 – 0,708 812 – 0,796 783 – 0,873 Validity range: K1, K2: 0,10 mm < s < 3,50 mm K3, K4: 170 nH < A L < 1660 nH 498 08/01 ETD 59/31/22 Accessories B66398 Coil former Material: GFR polyterephthalate, UL 94 V-0, insulation class to IEC 60085: B66398A: F max. operating temperature 155 °C, color code black (Pocan B4235; [E 41613 (M)]; Bayer) B66398W: H max. operating temperature 180 °C, color code black (Rynite FR530; [E 69578 (M)]; E I DUPONT DE NEMOURS & CO INC) Solderability: to IEC 60068-2-20, test Ta, method 1 (aging 3): 235 °C, 2 s Resistance to soldering heat: to IEC 60068-2-20, test Tb, method 1B: 350 °C, 3.5 s Winding: see data book 2001, chapter Processing Notes, page 158 Yoke Material: Stainless spring steel (0.4 mm) Coil former Sections Ordering code AN mm2 365.6 1 lN mm 106.1 AR value µΩ 10 Pins 24 Yoke (ordering code per piece, 2 are required) B66398A1024T001 B66398W1024T001 B66398A2000 Coil former Yoke 66,9 max. 22,1±0,2 42,65 min. 24,9 max. 66,2 max. 22,4 min. 41,2 min. 4,5±0,5 49,2 max. _ 0,2 65,2 +0,5 43,7 max. ø1 ø 1,6+0,15 12,9±0,3 FEK0363-Y 50,8 Lochgruppe 12 x 5,08 = 60,96 Hole arrangement Ansicht in Montagerichtung View in mounting direction ø 3,4+0,15 (for fixing with mit sheet-steel screw DIN 7971-St 2,9 × 6,5–C) (für Befestigung Blechschraube DIN 7971-St2,9 x 6,5-C) EPCOS AG 2001. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed. 499 08/01 Herausgegeben von EPCOS AG Marketing Kommunikation, Postfach 80 17 09, 81617 München, DEUTSCHLAND EPCOS AG 2000. Alle Rechte vorbehalten. Vervielfältigung, Veröffentlichung, Verbreitung und Verwertung dieser Broschüre und ihres Inhalts ohne ausdrückliche Genehmigung der EPCOS AG nicht gestattet. Mit den Angaben in dieser Broschüre werden die Bauelemente spezifiziert, keine Eigenschaften zugesichert. Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen für Erzeugnisse und Leistungen der Elektroindustrie, soweit nichts anderes vereinbart wird. Diese Broschüre ersetzt die vorige Ausgabe. Fragen über Technik, Preise und Liefermöglichkeiten richten Sie bitte an den Ihnen nächstgelegenen Vertrieb der EPCOS AG oder an unsere Vertriebsgesellschaften im Ausland. Bauelemente können aufgrund technischer Erfordernisse Gefahrstoffe enthalten. Auskünfte darüber bitten wir unter Angabe des betreffenden Typs ebenfalls über die zuständige Vertriebsgesellschaft einzuholen. Published by EPCOS AG Marketing Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY EPCOS AG 2000. All Rights Reserved. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited. The information contained in this brochure describes the type of component and shall not be considered as guaranteed characteristics. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed. This brochure replaces the previous edition. For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representatives. Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our Sales Offices. 1