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| EFD/EV/DE Cores Series/Type: EFD 15/8/5 The following products presented in this data sheet are being withdrawn. Ordering Code B66414B6008T002 Substitute Product Date of Withdrawal 2003-08-08 Deadline Last Orders 2004-02-29 Last Shipments 2004-08-31 For further information please contact your nearest EPCOS sales office, which will also support you in selecting a suitable substitute. The addresses of our worldwide sales network are presented at www.epcos.com/sales. EFD 15/8/5 Core I E core with flattened, lower center leg B66413 150,4 g 7,50,15 2,40,1 for especially flat transformer design I For DC/DC converters I EFD cores are supplied as single units Magnetic characteristics (per set) Approx. weight 2,8 g/set 5,30,15 110,35 FEK0417-2 Ungapped Material N49 N87 AL value nH 600 + 30/- 20 % 780 + 30/- 20 % e A L1min P V nH W/set Ordering code 1080 330 1400 560 < 0,11 B66413-G-X149 (50 mT, 500 kHz, 100 C) < 0,28 B66413-G-X187 (200 mT, 100 kHz, 100 C) Gapped Material N87 AL value nH 100 10 % 160 15 % e 180 288 g approx. mm 0,17 0,08 Ordering code B66413-U100-K187 B66413-U160-L187 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). Calculation factors (for formulas, see "E cores: general information", page 382) Material Relationship between air gap - A L value K1 (25 C) N87 Validity range: 29,7 K2 (25 C) - 0,676 Calculation of saturation current K3 (25 C) 44,2 K4 (25 C) - 0,796 K3 (100 C) K4 (100 C) 33,2 - 0,873 K1, K2: 0,10 mm < s < 1,00 mm K3, K4: 30 nH < A L < 280 nH 507 08/01 0,20,1 l/A le Ae A min Ve = 2,27 mm-1 = 34 mm = 15 mm2 = 12,2 mm2 = 510 mm3 4,650,15 5,50,2 EFD 15/8/5 Accessories Coil former GFR thermosetting plastic; UL 94 V-0, insulation class to IEC 60085: B66414-B: F max.operating temperature 155 C; color code green B66414-W: H max.operating temperature 180 C; color code black 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 "Processing Notes", page 157 Squared pins Yoke Material: Coil former Sections 1 AN mm2 15,5 lN mm 35,9 AR value 79,7 Pins 8 B66414-B1008-D1 B66414-W1008-D1 B66414-B2000 Yoke 150,2 6,95 _ 0,1 1 2 3 4 16,50,2 4,4 4,8 max. B66414 Material: Stainless spring steel (0,25 mm) Ordering code Yoke (ordering code per piece, 2 are required) Coil former Mounting holes 8 13,75 o1+0,1 1 13,6 min. 5 15,6 1 FEK0271-J 8 7 6 5 1 3,75 11,25 4 Duroplast Marking of pin 1 10,55 _ 0,15 5,55+0,15 8,3 max. 10,4 _ 0,2 2,55 8,85 min. 7,5 _ 0,2 3,50,2 0,45 CuSn6, tinned FEK0418-A 1,6 _ 0,15 1,7 508 08/01 4 EFD 15/8/5 Accessories SMD coil former with J terminals Material: GFR liquid crystal polymer (UL 94 V-0, insulation class to IEC 60085: F max. operating temperature 155 C), color code black Solderability: to IEC 60068-2-20, test Ta, method 1 (aging 3): 350 C, 1 s Resistance to soldering heat: to IEC 60068-2-20, test Tb, method 1B: 350 C, 3,5 s permissible soldering temperature for wire-wrap connection on coil former: 400 C, 1 s Winding: see "Processing Notes", page 160 Yoke Material: Mounting: Cover plate For marking and improved processing on assembly machines. See under coil former for material and resistance to soldering heat. Sections 1 2 Cover plate Coil former 15 _ 0,25 10,4 _ 0,2 B66414 Stainless spring steel (0,25 mm) Preferred assembly direction from the top AN mm2 18,1 17,1 lN mm 35,1 35,1 AR value 66,7 70,5 Terminals 8 8 Ordering code B66414-B6008-T1 B66414-B6008-T2 B66414-B2000 B66414-A7000 Yoke 4,4 4,8 max. Yoke (ordering code per piece, 2 are required) 2,6+0,15 7,3 _ 0,1 3,45 _ 0,2 0,50,05 7,70,15 1 13,6 min. 0,50,05 15,6 10,6 _ 0,2 5,5+0,2 1 FEK0271-J 20,8 _ 0,3 16 _ 0,2 Cover plate Abdeckplatte 0,5 max. 1,80,1 0,60,05 Recommended Empfehlung fur das Leiterplattenlayout PCB layout 1 2 3 4 8 6,4 _ 0,2 11,25 3,75 7 6 5 1,2 3,75 11,25 0,550,05 2,5 Center flange omitted for one-section version 17,7 FEK0329-J 12,80,1 FEK0187-Y 509 08/01 6,60,1 Herausgegeben von EPCOS AG Marketing Kommunikation, Postfach 80 17 09, 81617 Munchen, DEUTSCHLAND EPCOS AG 2000. Alle Rechte vorbehalten. Vervielfaltigung, Veroffentlichung, Verbreitung und Verwertung dieser Broschure und ihres Inhalts ohne ausdruckliche Genehmigung der EPCOS AG nicht gestattet. Mit den Angaben in dieser Broschure werden die Bauelemente spezifiziert, keine Eigenschaften zugesichert. Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen fur Erzeugnisse und Leistungen der Elektroindustrie, soweit nichts anderes vereinbart wird. Diese Broschure ersetzt die vorige Ausgabe. Fragen uber Technik, Preise und Liefermoglichkeiten richten Sie bitte an den Ihnen nachstgelegenen Vertrieb der EPCOS AG oder an unsere Vertriebsgesellschaften im Ausland. Bauelemente konnen aufgrund technischer Erfordernisse Gefahrstoffe enthalten. Auskunfte daruber bitten wir unter Angabe des betreffenden Typs ebenfalls uber die zustandige 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 |
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