Ferrites and accessories Toroids R 25.3, R 29.5 Series/Type: Date: B64290 September 2006 Data Sheet EPCOS AG 2006. Reproduction, publication and dissemination of this data sheet and the information contained therein without EPCOS' prior express consent is prohibited. R 25.3 x 14.8 x 10.0 B64290L0618 R 25.3 x 14.8 x 15.0 B64290L0615 R 25.3 x 14.8 x 10.0 (mm) R 0.996 x 0.583 x 0.394 (inch) Epoxy coating Dimensions da (mm) di (mm) Height (mm) da (inch) di (inch) Height (inch) 25.3 0.5 14.8 0.5 10.0 0.2 0.996 0.020 0.583 0.020 0.394 0.008 uncoated 1) 26.6 max. 13.5 min. 11.0 max. 1.047 max. 0.531 min. 0.433 max. coated Characteristics and ordering codes Mate- AL value rial i Ordering code (approx.) Magnetic characteristics nH N87 2360 25% 2200 B64290L0618X087 N30 4620 25% 4300 B64290L0618X830 T65 5350 30% 5000 B64290L0618X065 T35 5400 25% 5000 B64290L0618X035 T37 6970 25% 6500 B64290L0618X037 10700 30% 10000 B64290L0618X038 T38 l/A mm -1 le mm Ae mm2 Ve mm3 1.17 60.07 51.26 3079 Approx. weight g 16 R 25.3 x 14.8 x 15.0 (mm) R 0.996 x 0.583 x 0.590 (inch) Epoxy coating Dimensions da (mm) di (mm) Height (mm) da (inch) di (inch) Height (inch) 25.3 0.5 14.8 0.5 15.0 0.4 0.996 0.020 0.583 0.020 0.590 0.016 uncoated 1) 26.6 max. 13.5 min. 16.2 max. 1.047 max. 0.531 min. 0.638 max. coated Characteristics and ordering codes Mate- AL value rial i Ordering code (approx.) Magnetic characteristics nH N87 3500 25% 2200 B64290L0615X087 N30 6930 25% 4300 B64290L0615X830 T65 8000 30% 5000 B64290L0615X065 T37 10460 25% 6500 B64290L0615X037 T38 16100 30% 10000 B64290L0615X038 l/A mm -1 le mm Ae mm2 Ve mm3 0.78 60.07 76.89 4619 1) On request Please read Cautions and warnings and Important notes at the end of this document. 2 09/06 Approx. weight g 24 R 25.3 x 14.8 x 20.0 B64290L0616 R 29.5 x 19.0 x 14.9 B64290L0647 R 25.3 x 14.8 x 20.0 (mm) R 0.996 x 0.583 x 0.787 (inch) Epoxy coating Dimensions da (mm) di (mm) Height (mm) da (inch) di (inch) Height (inch) 25.3 0.5 14.8 0.5 20.0 0.5 0.996 0.020 0.583 0.020 0.787 0.020 uncoated 1) 26.6 max. 13.5 min. 21.3 max. 1.047 max. 0.531 min. 0.839 max. coated Characteristics and ordering codes Mate- AL value rial i Ordering code (approx.) Magnetic characteristics nH N87 4680 25% 2200 B64290L0616X087 N30 9160 25% 4300 B64290L0616X830 T65 10600 30% 5000 B64290L0616X065 T35 10700 25% 5000 B64290L0616X035 T37 13800 25% 6400 B64290L0616X037 T38 21300 30% 10000 B64290L0616X038 l/A mm -1 le mm Ae mm2 Ve mm3 0.59 60.07 102.5 6157 Approx. weight g 33 R 29.5 x 19.0 x 14.9 (mm) R 1.142 x 0.748 x 0.587 (inch) Epoxy coating Dimensions da (mm) di (mm) Height (mm) da (inch) di (inch) Height (inch) 29.5 0.7 19.0 0.5 14.9 0.4 1.142 0.028 0.748 0.020 0.587 0.016 uncoated 1) 31.0 max. 17.7 min. 16.1 max. 1.220 max. 0.697 min. 0.634 max. coated Characteristics and ordering codes Mate- AL value rial i Ordering code (approx.) Magnetic characteristics nH N87 2880 25% 2200 B64290L0647X087 N30 5630 25% 4300 B64290L0647X830 T65 6800 30% 5200 B64290L0647X065 T37 8500 25% 6500 B64290L0647X037 13100 30% 10000 B64290L0647X038 T38 l/A mm -1 le mm Ae mm2 Ve mm3 0.96 73.78 76.98 5680 1) On request Please read Cautions and warnings and Important notes at the end of this document. 3 09/06 Approx. weight g 27 Ferrites and accessories Cautions and warnings Mechanical stress and mounting Ferrite cores have to meet mechanical requirements during assembling and for a growing number of applications. Since ferrites are ceramic materials one has to be aware of the special behavior under mechanical load. As valid for any ceramic material, ferrite cores are brittle and sensitive to any shock, fast changing or tensile load. Especially high cooling rates under ultrasonic cleaning and high static or cyclic loads can cause cracks or failure of the ferrite cores. For detailed information see Data Book 2007, chapter "General - Definitions, 8.1". Effects of core combination on AL value Stresses in the core affect not only the mechanical but also the magnetic properties. It is apparent that the initial permeability is dependent on the stress state of the core. The higher the stresses are in the core, the lower is the value for the initial permeability. Thus the embedding medium should have the greatest possible elasticity. For detailed information see Data Book 2007, chapter "General - Definitions, 8.2". Heating up Ferrites can run hot during operation at higher flux densities and higher frequencies. NiZn-materials The magnetic properties of NiZn-materials can change irreversible in high magnetic fields. Processing notes - The start of the winding process should be soft. Else the flanges may be destroid. - To strong winding forces may blast the flanges or squeeze the tube that the cores can no more be mount. - To long soldering time at high temperature (>300 C) may effect coplanarity or pin arrangement. - Not following the processing notes for soldering of the J-leg terminals may cause solderability problems at the transformer because of pollution with Sn oxyd of the tin bath or burned insulation of the wire. For detailed information see Data Book 2007, chapter "Processing notes, 2.2". - The dimensions of the hole arrangement have fixed values and should be understood as a recommendation for drilling the printed circuit board. For dimensioning the pins, the group of holes can only be seen under certain conditions, as they fit into the given hole arrangement. To avoid problems when mounting the transformer, the manufacturing tolerances for positioning the customers' drilling process must be considered by increasing the hole diameter. 4 09/06 Important notes The following applies to all products named in this publication: 1. Some parts of this publication contain statements about the suitability of our products for certain areas of application. These statements are based on our knowledge of typical requirements that are often placed on our products in the areas of application concerned. We nevertheless expressly point out that such statements cannot be regarded as binding statements about the suitability of our products for a particular customer application. As a rule, EPCOS is either unfamiliar with individual customer applications or less familiar with them than the customers themselves. For these reasons, it is always ultimately incumbent on the customer to check and decide whether an EPCOS product with the properties described in the product specification is suitable for use in a particular customer application. 2. We also point out that in individual cases, a malfunction of passive electronic components or failure before the end of their usual service life cannot be completely ruled out in the current state of the art, even if they are operated as specified. In customer applications requiring a very high level of operational safety and especially in customer applications in which the malfunction or failure of a passive electronic component could endanger human life or health (e.g. in accident prevention or life-saving systems), it must therefore be ensured by means of suitable design of the customer application or other action taken by the customer (e.g. installation of protective circuitry or redundancy) that no injury or damage is sustained by third parties in the event of malfunction or failure of a passive electronic component. 3. The warnings, cautions and product-specific notes must be observed. 4. In order to satisfy certain technical requirements, some of the products described in this publication may contain substances subject to restrictions in certain jurisdictions (e.g. because they are classed as "hazardous"). Useful information on this will be found in our Material Data Sheets on the Internet (www.epcos.com/material). Should you have any more detailed questions, please contact our sales offices. 5. We constantly strive to improve our products. Consequently, the products described in this publication may change from time to time. The same is true of the corresponding product specifications. Please check therefore to what extent product descriptions and specifications contained in this publication are still applicable before or when you place an order. We also reserve the right to discontinue production and delivery of products. Consequently, we cannot guarantee that all products named in this publication will always be available. 6. Unless otherwise agreed in individual contracts, all orders are subject to the current version of the "General Terms of Delivery for Products and Services in the Electrical Industry" published by the German Electrical and Electronics Industry Association (ZVEI). 7. The trade names EPCOS, EPCOS-JONES, Baoke, Alu-X, CeraDiode, CSSP, MLSC, PhaseCap, PhaseMod, SIFI, SIFERRIT, SIKOREL, SilverCap, SIMID, SIOV, SIP5D, SIP5K, UltraCap, WindCap are trademarks registered or pending in Europe and in other countries. Further information will be found on the Internet at www.epcos.com/trademarks. 5 09/06