Soft ferrites ferrite materials survey resistivity ferrite is a semiconductor with a dc resistivity in the crystallites of the order of 103. A wide variety of ee30 ferrite core options are available to you, such as high frequency, power, and electronic. Ferrite cores material characteristics table ferrite material characteristics material characteristics. Magnetics ferrite cores are manufactured for a wide variety of applications. It can easily be magnetized by an external field see fig. Magnetic permeability is typically represented by the greek letter. We hold a large range of ferrite cores in stock, ready for next day delivery anywhere in the uk and 34 day delivery in mainland europe. Core loss b200mt p cv kwm 3 25khz sine wave 25c 120 60c 80 100c 70 120c 85 100khz sine wave 25c 600 600. E core with flattened, lower center leg for especially flat transformer design for dcdc converters delivery mode. Ferrite cores online ordering pdf datasheet instock. Overall honesty integrating system will help you order ferrite cores with more. Eq, eqlp cores and accessories eq, eqr, eqlp, plt, plts 471 er cores 491 planar er cores and accessories 503 etd cores and accessories 529 frame and bar cores and accessories frm, bar 557 integrated inductive components iic 573 p, pi cores and accessories 587 pt, pts, ptsi cores and accessories 667 ph cores 693 pm cores 701. Currently an industry chain with ferrite core, inductor, transformer has been formed, we can provide customer the complete solution for magnetic components for customer and has passed the iso9001.
The products listed on this catalog are intended for use in general electronic equipment av equipment, telecommunications equipment. Permeability is the measure of the ability of a material to support the formation of a magnetic field within itself or more simply, the inductance per unit length. L material power ferrite for low losses at high frequency. Di21 op247yn en55022b en645 di21 top247yn power supply device output voltage top247yn rl205 equivalent pi3003100708 ee30 ee30 core mbr20100 ferrite bead tdk. Since ferrites are ceramic materials one has to be aware of the special behavior under mechanical load. The geometrical constant k g is a measure of core size, useful for designing inductors and transformers which attain a given copper loss 1. Mnzn ferrite core for switching power supplies e series. Ferrite for switching power supplies e series ei12. You will view the photos of products from stock suppliers. The engineers will enjoy the small batch ordering service for ferrite cores from stock suppliers here. The coil formers in the table below are mainly manufactured in phenolic materials.
Reproduction, publication and dissemination of this data sheet and the. Furthermore, where we are not holding an item exstock, cosmo. Every day, we send 5000 shipments and we ensure that they arrive in the shortest time available. Powdered iron and ferrite power inductors inductors vishay. Ferrite for switching power supplies e cores issue date. Large size ferrite ee core ee55 ee65 ee70 ee85 ee110 ee118.
Please be sure to read this manual thoroughly before using the products. A wide variety of ee30 ferrite core options are available to you. Tme has over 800 employees, who provide expert support at each stage of the ordering process our offer includes 350,000 electronic components from 950 producers since 1990, we have been expanding our operations dynamically and increasing our global potential. As valid for any ceramic material, ferrite cores are brittle and sensitive to any shock, fast tempera. Ferrites and accessories e 30157 core and accessories farnell. A core set consists of either an e core and a plate or two e cores, in which case the winding window height doubles. A ferrite core is a former that has been shaped in a particular way for use as part of an electromagnetic device. Use the specification table below to search for similar products. An ee core structure occupies two outer sides of the coil. An4140 transformer design consideration components datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic, semiconductors and other electronic components such as resistors, capacitors, transistors and diodes. Kawatetsu ferrite e core similar to above e core except this one has a slot gap. The e core structure provides better selfshielding and they are easily gapped. Take special care to avoid this as this can cause the ferrite core to become displaced, fall off, drop, or affect the ferrite cores characteristics.
All specifications are subject to change without notice. As valid for any ceramic material, ferrite cores are brittle and sensitive to any shock, fast temperature changing or tensile load. Inductor and transformer design with ferrite cores. The al value in the table applies to a core set comprising one ungapped core dimension g 0 mm.
Ee ferrite core coil formers the following ee coil formers and accessories are available from stock at milesplatts limited. Since there is an isolating layer between the crystals, the bulk resistivity is much higher. The crosssectional area is always uniform for the basic version for gluing to make optimum use of the ferrite volume. Not to scale ee1605 10 pin vertical bobbin ee1605 6 pin vertical bobbin ee1605 8 pin horizontal bobbin winding width. Ferrite cores have to meet mechanical requirements during assembling and for a growing number of applications. Data sheet supersedes data of september 2004 2008 sep 01 ferroxcube pq2620 pq cores and accessories. Not to scale ee2507 10 pin vertical bobbin winding width. Powdered iron and ferrite power inductors, inductors manufactured by vishay, a global leader for semiconductors and passive electronic components. A diverse set of materials, providing a range of desired electrical and mechanical properties, are available from magnetics. 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. Kynix will provide you the global and original ferrite coress stock information, reference price, package lot no. After sintering, the ferrite core has the required magnetic properties. For the typical e laminations, ferrite snap core and singleaperture core require a butt stacked core. Conversely, if the tightening torque is too low, you will not be able to secure the ferrite core properly. An introduction to fdks ferrite cores 2 standard material characteristics power materials, 6h, 7h series 3 standard material characteristics high materials, 2h series conventional type eer cores etd 16 ee cores 19 ei cores 24 rm cores 26 ep cores 28 pm cores 30 fr cores 32 fur cores 34 fu cores 36 eed cores 38. It is apparent that the initial permeability is depe ndent on the stress state of the core. It is used for its properties of high magnetic permeability coupled with low electrical conductivity which helps prevent eddy currents. Ee and ef core specifications pc40ee25 ee60 core ee60 ferrite pc40ef16z ee55 core ee555521 ee40 core pc40eez text. Dimensions are typically within 2% of nominal due to 10 20% shrinkage. February 2010 148 00202 20100222 all specifications are subject to change without notice. An eecore structure occupies two outer sides of the coil.
The k g method for inductor design is described in chapter. Ferrite parts can be easily and economically molded into many different geometries. Eecore ee ferrite core category ee5 ee6 ee8 ee11 ee ee12. We can usually supply ferrite cores in equivalent materials to the likes of ferroxcube tm, epcos and tdktm and at considerably lower prices. Geometrical data for several standard ferrite core shapes are listed here. Every size has an e core and corresponding plate plt. Planar e cores elna magnetics ferrite manufacturing and. Ferrite is a magnetic material comprising of iron oxides, nickel, zinc and other compounds like manganese.
As valid for any ceramic material, ferrite cores are brittle and sensitive to any shock, fast. Magnetics has the leading mnzn ferrite materials for. Ferrite cable cores are available at mouser electronics. Ee cores ee30 core sets effective core parameters symbol parameter value unit. Magnet ics has the leading mnzn ferrite materials for power transformers, power. Since there is an isolation layer between the crystals, the bulk resistivity is much higher. Ferrite cores in electronics, a ferrite core is a type of magnetic core made of ferrite on which the windings of electric transformers and other wound components such as inductors are formed. Ferrite cores are distinguished from other ferrite devices like magnets in that they are made from a softer material. Ferrite is a semiconductor with a dc resistivity in the crystallites of the order of 103 m for a mnzn ferrite. Planar e cores and accessories e, er, plt, plts, pltr. As a total manufacturer of ferrite products, fdk has developed diverse types of ferrite. For improvement of its products, fdk reserves the right to change specifications. For detailed information see chapter definitions, section 8.
The higher the stresses are in the core, the lower is the value for the initial permeability. Core sets effective core parameters symbol parameter value unit. Product overview ei cores ferroxcube ferrite cores. Latest material 7h20 is suitable still higher frequency over khz, and its core loss is around 50 % lower than 7h10. Tt series ring core tt series is effective for general purpose noise reduction such as for power circuit, motor area, and tv circuits. Please refer to our web site for technical information or contact sales for a copy of our detailed ferrite catalogue. Eecore ee ferrite core category ee5 ee6 ee8 ee11 ee.