Design and dimensional data for epc, ferrite cores. After sintering, the ferrite core has the required magnetic properties. Product specification production this data sheet contains final specifications. Some of the shapes are defined by international standards e. H7c1 tdk h7c1 ei40 transformer h7c1 tdk pushpull converter transformer design notes h7c1 material ei 40 core ei40 core. Ferrites and accessories display of ordering codes for epcos products the ordering code for one and the same product can be represented differently in data sheets.
Hengdian group dmegc magnetic limited company is a shareholding system enterprise which was initiated by hengdian group on march 30 th 1999 and united. A diverse set of materials, providing a range of desired electrical and mechanical properties, are available from magnetics. Round cable emi suppression cores 2631540002 fair rite. Ferrite ei core is easier to achieve high voltage electrical. Types of core materials magnetic cores are made of three basic materials. Ee ferrite core coil formers the following ee coil formers and accessories are available from stock at milesplatts limited.
Hard ferrites are used for permanent magnets mainly in loud speakers, micro motors. Ps cores 387 packing 183 quality and environment 192 standards and specifications 199 u and ui cores 553. Magnetics ferrite cores are manufactured for a wide variety of applications. Since ferrites are ceramic materials one has to be aware of the special behavior under mechanical load. Ferrite bead cores ferrites are available at mouser electronics. Early computer memories stored data in the residual magnetic fields of hard ferrite cores which were as assumable in to arrays of core memory. The products listed on this catalog are intended for use in general electronic equipment av equipment, telecommunications equipment. Ee core is easier to achieve high voltage electrical isolation. Please refer to our web site for technical information or contact sales for a copy of our detailed ferrite catalogue. Powdered iron and ferrite power inductors inductors vishay. Application of eicore datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. Now a day ferrite is used in telephone exchange, computers, and control equipment. Ferrite cores material characteristics table ferrite material characteristics for emc prevention commonmode choke. Ferrite is a magnetic material of two types one is soft ferrite and second is the hard ferrite.
Large size ferrite ee core ee55 ee65 ee70 ee85 ee110 ee118. Data sheet supersedes data of september 2004 2008 sep 01 ferroxcube e352410 ei cores. Because the iron is already in a stable oxidized form in its structure, the iron cannot oxidize rust any further when in water. Ferrite materials survey and specifications 56 ferrite materials survey 57 material specifications and graphs 60 specialty ferrites 153 machined ferrites 155 ferrites for anechoic chambers plt 157 ferrites for particle accelerators t 158 e cores and accessories 165 ei cores 297 planar e cores. This catalogue presents a comprehensive list of fdks ferrite cores for various application. Ferrites and accessories siferrit materials 33 general definitions 121 application notes 141 processing notes 169 rm cores 201 pq cores 269 pm cores 288 ep, epx, epo cores 303 p cores 335 p core halves for proximity switches incl. Ei cores 308 planar e cores and accessories e, er, plt, plts, pltr 320. Ei core is widely used in various kinds of power transformer cores, power inductor cores. Ferrite cable cores are available at mouser electronics. Many diverse materials are available, providing a choice of desirable electrical and mechanical properties. The 1mm gap is in the centre leg only of the etd44 core, and i believe that the core halves can be held together while the glue sets in the outer core arms by squirting hot melt glue into the air gap to hold the core pieces together whilst the outer ferrite arms are glued together.
Analysisand design of ferrite core transformer for high voltage, high frequency which is used in ozonators 1 3 lakshminarayanan. Ferrites and accessories e 1685 ef 16 core and accessories. Mnzn large size ferrite cores for high power e series. Ferrite cores have to meet mechanical requirements during assembling and for a growing number of applications. Soft ferrites and accessories contents page introduction 4 quality 14 environmental aspects of soft ferrites 15 ordering information 16 applications 17 literature and reference publications 54 ferrite materials survey and specifications 58 ferrite materials survey 59 material specifications and graphs 62 specialty ferrites 176. Ei type core ei core ei 22 magnetic ferrite pot core ei core transformer ei 33 magnetic b 1243 e116a e122 text. An ee core structure occupies two outer sides of the coil.
Data sheet status product status definitions preliminary specification development this data sheet contains preliminary data. Ei cores are for mains transformers possess many benefits such as low noise, low magnetising current, fast assembly, and low cost. Ferrite cores have to meet mechanical req uirements during assem b ling and for a growing number. Ferrite magnets are superb in damp, wet or marine environments ferrite magnets are corrosion free. Ferrite core for switching power supplies e series ei. New revision coming soonscanned pages from the amidon tech data book in portable document format. For detailed information see chapter definitions, section 8. All specifications are subject to change without notice. This material does not have the dimensional resonance limitations associated with conventional mzn ferrite materials. Round cable emi suppression cores round cable snapits flat cable emi suppression cores. We started experiencing cracks of the ferrite cores, so i contacted the core.
Please be sure to request delivery specifications that provide further details on the. Reproduction, publication and dissemination of this data sheet and the. If you have any inquiries regarding our products and specifications, please contact us ferrite material. Product image categories categories2 series type product catalog part no. Ferrite pc47 for switching power supplies low loss ferrite material pc47 has the best properties for transformers of power supplies, adapters and chargers. Mnzn large size ferrite cores for high power uu series. Product overview ei cores ferroxcube ferrite cores. Browse digikeys inventory of e core typeferrite cores. To enable a better comparison of ferrite materials and their. For improvement of its products, fdk reserves the right to change specifications. Eicore is characterized by less core loss, high yieldresistance and high permeability, and ferrite ei core is easier to achieve high voltage electrical. The 1mm gap is in the centre leg only of the etd44 core, and i believe that the core halves can be held together while the glue sets in the outer core arms by squirting hot melt glue into the air gap to hold the core pieces together whilst the outer ferrite. An introduction to fdks ferrite cores as a total manufacturer of ferrite products,fdk has developed diverse types of ferrite material and core, which satisfy the latest demands from electronics market.
Average value the values were obtained with toroidal cores at room temperature unless otherwise shown. Soft ferrites and accessories ferroxcubeferroxcube. Ferrite parts can be easily and economically molded into many different geometries. Ferrite ring cores toroids tn362315 farnell element14. A wide variety of ei ferrite core options are available to you, such as high frequency, current, and power. Please note that the contents may change without any prior notice due to reasons such as upgrading. Design and dimensional data for etdlow profile, ferrite cores 27. Effects of core combination on al value stresses in the core affect not only the mechanical but also the magnetic properties. Also check out our online shop accessed via our website. Design and dimensional data for etd, ferrite cores 26. Ferrite cores aet online shop ferrite cores, electronic. Pdf 100ts ferrite core ei33 ferrite ei33 ei 33 transformer ei33 core ei 41 transformer ei22b ferrite ei30 transformer ei 33 ei16b ei33.
Ferrite is a semiconductor with a dc resistivity in the crystallites of the order of 103 m for a mnzn ferrite. Average value the values were obtained with toroidal cores at room. Ei cores e16125 cores effective core parameters of an e i combination ordering information for i cores symbol parameter value unit. Powdered iron and ferrite power inductors, inductors manufactured by vishay, a global leader for semiconductors and passive electronic components. Here you can purchase a selection of our products, including ferrites, powder cores and triple insulated wire. Ferroxcube reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. Eicore is widely used in various kinds of power transformer cores, power inductor cores and chokes. Samwha electronics is a specialized manufacturer of magnetic materials such as ferrite core. Etd, but many are named by the manufacturers or due to historic conventions. Material hs52 hs72 hs10 initial permeability i 550025% 750025% 2000min. View b64290l0038 datasheet from epcos tdk at digikey. Soft ferrite is class of magnetic material used as transformer core mainly for television, telecommunication computer, medical and other industrial electronic system.
Low frequency khz flat cable ferrite cores 1piece ferrite core. Then, the material is put into a process of hot and cold rolling. The e core structure provides better selfshielding and they are easily gapped. Soft ferrite is class of magnetic material used as transformer core. The core loss and saturation magnetic flux density of pc47 are far better than pc44 and pc40 which are currently in use. Isotropic hard ferrite magnets and resin bonded neodymiumironboron magnets are. All the more the trafo being an ei core, separating the ferrite pieces were rather easy than doing away with an ee core. Please check therefore to what extent product descriptions and specifications contained in this publication are still applicable before or when you place an order. As a total manufacturer of ferrite products, fdk has developed diverse types of ferrite material and core, which. Ei kerne, ferrite ei core,ei core,power transformer cores,power. Ee ferrite cores datasheet, cross reference, circuit and application notes in pdf format.
Mahalingam c lle gef eng ng d technol y, pollachi, tn, india 2associate p r ofess r e e department, hindusthan c lle gef eng ing and. How to glue ferrite smps transformer halves together. For the typical e laminations, ferrite snap core and singleaperture core require a butt stacked core. The coil formers in the table below are mainly manufactured in phenolic materials. Kawatetsu ferrite e core similar to above e core except this one has a slot gap. Since there is an isolation layer between the crystals, the bulk resistivity is much higher. Chapter 3 magnetic cores university of north carolina at.
Solid ferrite plates designed for emi absorption on ics, cpus, and bus drives running at high clock speeds. Conversely, if the tightening torque is too low, you will not be able to secure the ferrite core properly. Ferrite is a ferromagnetic material also ferrite is. Ei core datasheet, cross reference, circuit and application notes in pdf format. Take special care to avoid this as this can cause the ferrite core to become displaced, fall off, drop, or affect the ferrite core. Ferrite for switching power supplies e series ei12.
Components etd cores etd economical t ransformer design cores were developed specifically for power transformer cores used in switched mode power supplies. There are various ferrite cores used for construction of inductors, transformers and shielding. The bulk metals are processed from the furnace into ingots. The aim of this page is to illustrate most of the practically encountered ferrite cores. It is apparent that the initial permeability is depe ndent on the stress state of the core. Since e cores have two open coil sides, ee cores provide substantial room to bring high current lead wires out from the coil. The first is bulk metal, the second is powdered materials, and the third is ferrite material. Ei cores ferrite ei core eicore work as power transformer. A mzn ferrite designed specifically for emi suppression applications from as low as 1 mhz up to 500 mhz.
The combined crosssectional area of the two outer limbs equals the crosssectional area of the centre limb allowing an even flux distribution throughout the core. Magnetics has the leading mnzn ferrite materials for. Features, specifications, alternative product, product training modules, and datasheets are all available. Flexible ferrite sheet ffs series emirfi shielding. Ferrite ring cores toroids tn362315 ring cores toroids effective core parameters coating the cores are coated with polyamide 11 pa11, flame retardant in accordance with ul 94v2.
Ee ferrite core coil formers ferrite cores magnetic. Ferrite for switching power supplies online from elcodis, view and download pc40ei12. A method for estimating the impedance of a ferrite cored. Soft ferrites and accessories elna magnetics ferrite. Design and dimensional data for er, ferrite cores 28. Chapter 1 introduction, types and applications of ferrites. Basic constraints core loss typical value of for ferrite materials. Ferrites and accessories e 30157 core and accessories. Ferrites supplement ferrite material cross reference table. Mnzn ferrite core for switching power supplies e series. Types of ferrite materials material 77 a mnzn ferrite for use in a wide range of high and low flux density inductive designs for frequencies up to 100 khz.
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