RM 14 Core B65887 ■ In accordance with IEC 60431 ■ Optimized core cross section and increased thickness of base for power applications ■ Without center hole ■ RM cores are supplied in sets Magnetic characteristics (per set) Σl/A le Ae A min Ve = 0,35 mm–1 = 70 mm = 200 mm2 = 170 mm2 = 14 000 mm3 Approx. weight 74 g/set Gapped Material N41 µe Ordering code nH s approx. mm 160 ± 3 % 250 ± 3 % 400 ± 3 % 1000 ± 5 % 1,90 1,00 0,50 0,15 45 70 111 278 B65887-E160-A41 B65887-E250-A41 B65887-E400-A41 B65887-E1000-J41 AL value -E without center hole 251 08/01 RM 14 Core B65887 Ungapped Material AL value µe nH A L1min P V Ordering code nH W/set -E without center hole B65887-E-R49 N49 3900 + 30/– 20 % 1030 2150 < 2,37 (50 mT, 500 kHz, 100 °C) N87 6000 + 30/– 20 % 1670 3250 < 7,40 B65887-E-R87 (200 mT, 100 kHz, 100 °C) N97 1) 6000 + 30/– 20 % 1670 3250 B65887-E-R97 < 5,60 (200 mT, 100 kHz, 100 °C) N41 6800 + 30/– 20 % 1890 3250 < 2,52 (200 mT, 25 kHz, 100 °C) 1) Preliminary data 252 08/01 B65887-E-R41 RM 14 Accessories B65888 Coil former Material: GFR thermosetting plastic (UL 94 V-0, insulation class to IEC 60085: F max. operating temperature 155 °C), color code green 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 153 Squared pins For matching clamp and insulating washers see page 255 Sections AN mm2 lN mm A R value µΩ Pins Ordering code 1 107 71,5 23 10 B65888-C1010-D1 12 B65888-C1012-D1 10 pins 12 pins 11 11 12 1 2 10 3 3 9 15 ø16,8 _ 0,2 1 2 9 6 4 5 1,5 _ 0,1 6,3±0,3 ø28,8 _ 0,3 ø1,3+0,1 0,6 2,54 1±0,05 8 7 ,3 0 ,2+ 6 4 20,5 _ 0,3 0,8±0,05 7 12 10 3 Erdungspunkte ø1,6+0,1 Ground Ø 1,6+0,1 Hole arrangement View in mounting direction 253 08/01 FRM0273-D RM 14 Accessories B65888 Coil former for power applications Material: GFR polyterephthalate (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): 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 153 For matching clamp and insulating washer 1 see page 255 Sections AN mm2 lN mm A R value µΩ Pins Ordering code 1 106 71,5 23 12 B65888-C1512-T1 Marking of pin 1 Ground Ø 1,6+0,1 Hole arrangement View in mounting direction (Note half pitch!) 254 08/01 RM 14 Accessories B65888 Clamp ■ With ground terminal, made of stainless spring steel (tinned), 0,5 mm thick ■ Solderability to IEC 60068-2-20, test Ta, method 1 (aging 3): 235 °C, 2 s Insulating washer 1 between core and coil former ■ For tolerance compensation and for insulation ■ Made of polycarbonate (UL 94 V-0, insulation class to IEC 60085: E 120 °C), 0,15 mm thick Insulating washer 2 for double-clad PCBs ■ Made of polycarbonate (UL 94 V-0, insulation class to IEC 60085: E 120 °C), 0,3 mm thick Clamp (ordering code per piece, 2 are required) B65888-A2002 Ordering code Insulating washer 1 (reel packing, PU = 1 reel) B65888-B5000 Insulating washer 2 (bulk) B65888-B2005 Clamp 23 ø30±0,2 Insulating washer 2 ø14,5±0,2 Insulating washer 1 2,2±0,2 FRM0143-K 255 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