RM Cores Series/Type: RM 12 The following products presented in this data sheet are being withdrawn. Ordering Code B65816D20050000 Substitute Product Date of Withdrawal 2004-10-18 Deadline Last Orders 2005-03-31 Last Shipments 2005-09-30 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. RM 12 Core B65815 thickness of base for power applications 5 16,1_ 0,5 29 ■ Without center hole ■ RM cores are supplied in sets _ 1,2 ,8 _ 1, 2 ,8 29 ■ In accordance with IEC 60431 ■ Optimized core cross section and increased Magnetic characteristics (per set) Σl/A le Ae A min Ve = 0,39 mm–1 = 57 mm = 146 mm2 = 125 mm2 = 8 340 mm3 13,4 min. 37,6 _ 1,5 ø25+1 24,6 _ 0,2 16,8+0,6 S 21,6±0,25 Approx. weight 45 g/set ø12,8 _ 0,4 FRM0300-E Gapped Material AL value nH N41 160 ± 3 % s approx. mm 1,30 µe Ordering code -E without center hole 50 B65815-E160-A41 250 ± 3 % 0,70 78 B65815-E250-A41 400 ± 3 % 0,35 124 B65815-E400-J41 1000 ± 5 % 0,12 310 B65815-E1000-J41 244 08/01 RM 12 Core B65815 Ungapped Material A L value µe nH A L1min PV Ordering code nH -E w/o center hole W/set N30 8400 + 30/– 20 % 2610 N49 3700 + 30/– 20 % 1090 1930 < 1,41 (50 mT, 500 kHz, 100 °C) B65815-E-R30 N87 5300 + 30/– 20 % 1640 2900 B65815-E-R87 < 4,50 (200 mT, 100 kHz, 100 °C) N97 1) 5300 + 30/– 20 % 1640 2900 B65815-E-R97 < 3,60 (200 mT, 100 kHz, 100 °C) N41 6000 + 30/– 20 % 1860 2900 < 1,50 (200 mT, 25 kHz, 100 °C) 1) Preliminary data 245 08/01 B65815-E-R49 B65815-E-R41 RM 12 Accessories B65816 Coil former Material: GFR thermosetting plastic (UL 94 V-0, insulation class to IEC 60085: 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 153 Squared pins For matching clamp and insulating washers see page 248 Sections AN mm2 lN mm A R value µΩ Pins Ordering code 1 73 61 28,7 12 B65816-N1012-D1 Ground Ø 1,3+0,1 Hole arrangement View in mounting direction 246 08/01 RM 12 Accessories B65816 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 248 Sections AN mm2 lN mm A R value µΩ Pins Ordering code 1 72 61 28,7 12 B65816-C1512-T1 Marking of pin 1 Ground Ø 1,3+0,1 Hole arrangement View in mounting direction (Note half pitch!) 247 08/01 RM 12 Accessories B65816 Clamp ■ With ground terminal, made of stainless spring steel (tinned), 0,45 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), 0,1 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 Ordering code Clamp (ordering code per piece, 2 are required) B65816-A2002 Insulating washer 1 (reel packing, PU = 1 reel) B65816-B5000 Insulating washer 2 (bulk) B65816-D2005 4,8 max. 20,5+0,3 5,8 _ 0,5 0,9 _ 0,2 22,5+0,3 0,9 _ 0,2 Clamp 1_ 0,1 FRM0134-L Insulating washer 1 Insulating washer 2 248 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