Ferrites and Accessories Series/Type: RM 4 The following products presented in this data sheet are being withdrawn. Ordering Code Substitute Product B65803A0000R026 B65803A0000R048 Date of Withdrawal 2002-08-02 Deadline Last Orders 2002-12-31 Last Shipments 2003-03-31 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. RM 4 Core B65803 ■ In accordance with IEC 60431 ■ Core without center hole for transformer applications ■ RM cores are supplied in sets Magnetic characteristics (per set) Σl/A le Ae A min Ve with center hole without center hole 1,9 21 11 232 1,7 22 13 11,3 286 mm–1 mm mm2 mm2 mm3 1,65 g Approx. weight (per set) m 1,45 Gapped Material AL value nH K1 M33 N48 s approx. mm µe Ordering code 1) -A with center hole -N with threaded sleeve 16 ± 3 % 1,0 24,2 B65803-+16-A1 25 ± 3 % 0,40 37,8 B65803-+25-A1 40 ± 3 % 0,36 60,4 B65803-+40-A33 63 ± 3 % 0,18 95 B65803-+63-A33 63 ± 3 % 0,16 95 B65803-+63-A48 100 ± 3 % 0,10 151 B65803-+100-A48 160 ± 3 % 0,06 242 B65803-+160-A48 1) Replace the + by the code letter “A” or “N” for the required version. 184 08/01 RM 4 Core B65803 Ungapped Material AL value µe nH A L1min P V Ordering code nH -J w/o center hole W/set N30 1900 + 30/– 20 % 2570 B65803-J-R30 T35 2800 + 40/– 30 % 3790 B65803-J-Y35 T38 3700 + 40/– 30 % 5000 B65803-J-Y38 T57 1) 1600 + 30/– 20 % 2200 B65803-J-R57 B65803-J-R49 N49 750 + 30/– 20 % 1010 450 < 0,04 (50 mT, 500 kHz, 100 °C) N87 1100 + 30/– 20 % 1480 650 B65803-J-R87 < 0,20 (200 mT, 100 kHz, 100 °C) N97 1) 1100 + 30/– 20 % 1480 650 B65803-J-R97 < 0,15 (200 mT, 100 kHz, 100 °C) 1) Preliminary data 185 08/01 RM 4 Accessories B65804 Coil former Material: GFR thermosetting plastic (UL 94 V-0, insulation class to IEC 60085: H max. operating temperature 180 °C), color code blue 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 Pins squared in the start-of-winding area For matching clamp and insulating washers see page 187 Sections AN mm2 lN mm A R value µΩ Pins Ordering code 1 7,7 20 89 5 B65804-K1005-D1 7,3 20 5 pins 5 4 6 1 2 5 4 ø4,9 _ 0,1 B65804-K1006-D2 6,88 _ 0,1 1 2 3 ø7,9 _ 0,2 0,45 max. 4,4±0,3 0,45±0,05 6 1 3 0,65±0,05 B65804-K1005-D2 +0, 6 5 ø0,52 Hole arrangement Lochgrupppen View in mounting direction Ansicht in Montagerichtung ø1+0,1 Erdungspunkte ø1,3+0,1 Ground Ø 1,3+0,1 2,54 7,63 _ 0,1 B65804-K1006-D1 5 6 pins 0,6 ,1 +0 94 0,44±0,05 2 6 FRM0230-U 186 08/01 50 _ 10 RM 4 B65804 Accessories B65806 Clamp ■ With ground terminal, made of stainless spring steel (tinned), 0,335 mm thick ■ Solderability to IEC 60068-2-20, test Ta, method 1 (aging 3): 235 °C, 2 s ■ Also available as strip clamp on reels 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), 0,06 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) B65806-A2203 Insulating washer 1 (reel packing, PU = 1 reel) B65804-A5000 Insulating washer 2 (bulk) B65804-C2005 Insulating washer 1 Insulating washer 2 8,3+0,15 2,4 max. _ 0,3 4,5 +0,1 0,55 _ 0,15 9,3+0,2 0,55 _ 0,15 Clamp 0,7 FRM0012-J Clamping forces for RM 4 Fmin: Extension of clamp from a to a2 = Xmin Fmax: Extension of clamp from a to a 1 = Xmax Clamp opening a (mm) 8,3 + 0,15 Core nose Zmax (mm) 0,15 Height of core pair X (mm) X min X max 8,75 9,25 Clamping force F (N) 187 08/01 Fmin Fmax 5 40 RM 4 B65539 Accessories B63399 Adjusting screw ■ Tube core with thread and core brake made of GFR polyterephthalate Plastic adjusting screwdriver (not shown) Plastic handle for adjusting screwdriver (not shown) Core RM 4 Adjusting screw Material Tube core ∅ × length mm Material Color code 1,81 × 2,0 Si 1 black 20 AL value nH Min. adjusting range Ordering code % B65539-C1003-X101 K1 16 25 1,81 × 2,0 K1 yellow 21 B65539-C1003-X1 M 33 40 1,81 × 2,0 Si 1 black 17 B65539-C1003-X101 63 1,81 × 2,0 K1 yellow 21 B65539-C1003-X1 N 48 63 1,81 × 2,0 Si 1 black 12 B65539-C1003-X101 100 1,81 × 2,0 K1 yellow 17 B65539-C1003-X1 160 1,81 × 2,7 N 22 red 12 B65539-C1002-X22 Adjusting screwdriver B63399-B4 Handle B63399-B5 Adjusting screw 188 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