The e core structure provides better selfshielding and they are easily gapped. Ferrite pc47 for switching power supplies low loss ferrite material pc47 has the best properties for transformers of power supplies, adapters and chargers. Also check out our online shop accessed via our website. An ee core structure occupies two outer sides of the coil. Ferrite core for switching power supplies e series ei.
Ei cores e16125 cores effective core parameters of an e i combination ordering information for i cores symbol parameter value unit. H7c1 tdk h7c1 ei40 transformer h7c1 tdk pushpull converter transformer design notes h7c1 material ei 40 core ei40 core. To enable a better comparison of ferrite materials and their. Design and dimensional data for epc, ferrite cores. A wide variety of ei ferrite core options are available to you, such as high frequency, current, and power. For the typical e laminations, ferrite snap core and singleaperture core require a butt stacked core. Soft ferrites and accessories ferroxcubeferroxcube. Since e cores have two open coil sides, ee cores provide substantial room to bring high current lead wires out from the coil. Eicore is widely used in various kinds of power transformer cores, power inductor cores and chokes. Ferrite is a magnetic material of two types one is soft ferrite and second is the hard ferrite. Product image categories categories2 series type product catalog part no.
If you have any inquiries regarding our products and specifications, please contact us ferrite material. Ferrite bead cores ferrites are available at mouser electronics. This material does not have the dimensional resonance limitations associated with conventional mzn ferrite materials. For detailed information see chapter definitions, section 8. Design and dimensional data for etd, ferrite cores 26. Ferrite for switching power supplies online from elcodis, view and download pc40ei12. Reproduction, publication and dissemination of this data sheet and the. Analysisand design of ferrite core transformer for high voltage, high frequency which is used in ozonators 1 3 lakshminarayanan. Ei cores ferrite ei core eicore work as power transformer. Round cable emi suppression cores round cable snapits flat cable emi suppression cores. Please note that the contents may change without any prior notice due to reasons such as upgrading. Eicore is characterized by less core loss, high yieldresistance and high permeability, and ferrite ei core is easier to achieve high voltage electrical. Since there is an isolation layer between the crystals, the bulk resistivity is much higher. A method for estimating the impedance of a ferrite cored.
Now a day ferrite is used in telephone exchange, computers, and control equipment. Powdered iron and ferrite power inductors inductors vishay. Ferrite cable cores are available at mouser electronics. Hard ferrites are used for permanent magnets mainly in loud speakers, micro motors. The core loss and saturation magnetic flux density of pc47 are far better than pc44 and pc40 which are currently in use. Soft ferrite is class of magnetic material used as transformer core mainly for television, telecommunication computer, medical and other industrial electronic system. Average value the values were obtained with toroidal cores at room. Data sheet status product status definitions preliminary specification development this data sheet contains preliminary data. Ferrite is a semiconductor with a dc resistivity in the crystallites of the order of 103 m for a mnzn ferrite. Please be sure to read this manual thoroughly before using the products. Ferrite ring cores toroids tn362315 farnell element14. Ei core is widely used in various kinds of power transformer cores, power inductor cores.
After sintering, the ferrite core has the required magnetic properties. Please check therefore to what extent product descriptions and specifications contained in this publication are still applicable before or when you place an order. Ei core datasheet, cross reference, circuit and application notes in pdf format. 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. Round cable emi suppression cores 2631540002 fair rite. Many diverse materials are available, providing a choice of desirable electrical and mechanical properties. Mnzn ferrite core for switching power supplies e series. 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. Design and dimensional data for er, ferrite cores 28. Chapter 3 magnetic cores university of north carolina at.
A diverse set of materials, providing a range of desired electrical and mechanical properties, are available from magnetics. The products listed on this catalog are intended for use in general electronic equipment av equipment, telecommunications equipment. Ferrite for switching power supplies e series ei12. 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. Because the iron is already in a stable oxidized form in its structure, the iron cannot oxidize rust any further when in water. For improvement of its products, fdk reserves the right to change specifications. The aim of this page is to illustrate most of the practically encountered ferrite cores. This catalogue presents a comprehensive list of fdks ferrite cores for various application.
Ps cores 387 packing 183 quality and environment 192 standards and specifications 199 u and ui cores 553. Isotropic hard ferrite magnets and resin bonded neodymiumironboron magnets are. Hengdian group dmegc magnetic limited company is a shareholding system enterprise which was initiated by hengdian group on march 30 th 1999 and united. Components etd cores etd economical t ransformer design cores were developed specifically for power transformer cores used in switched mode power supplies. Magnetics ferrite cores are manufactured for a wide variety of applications. Material hs52 hs72 hs10 initial permeability i 550025% 750025% 2000min. Please be sure to request delivery specifications that provide further details on the. Here you can purchase a selection of our products, including ferrites, powder cores and triple insulated wire. Powdered iron and ferrite power inductors, inductors manufactured by vishay, a global leader for semiconductors and passive electronic components. Soft ferrites and accessories elna magnetics ferrite. Browse digikeys inventory of e core typeferrite cores.
Data sheet supersedes data of september 2004 2008 sep 01 ferroxcube e352410 ei cores. Samwha electronics is a specialized manufacturer of magnetic materials such as ferrite core. The coil formers in the table below are mainly manufactured in phenolic materials. 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. Mnzn large size ferrite cores for high power e series. Ei kerne, ferrite ei core,ei core,power transformer cores,power. Design and dimensional data for etdlow profile, ferrite cores 27. Types of core materials magnetic cores are made of three basic materials. Effects of core combination on al value stresses in the core affect not only the mechanical but also the magnetic properties. 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. Ferrites supplement ferrite material cross reference table.
Ferrites and accessories e 1685 ef 16 core and accessories. View b64290l0038 datasheet from epcos tdk at digikey. Ei cores 308 planar e cores and accessories e, er, plt, plts, pltr 320. Ee ferrite core coil formers ferrite cores magnetic. Ferrite parts can be easily and economically molded into many different geometries. As a total manufacturer of ferrite products, fdk has developed diverse types of ferrite material and core, which. Average value the values were obtained with toroidal cores at room temperature unless otherwise shown. Etd, but many are named by the manufacturers or due to historic conventions. Ferrite cores aet online shop ferrite cores, electronic. Low frequency khz flat cable ferrite cores 1piece ferrite core. Ferrite cores have to meet mechanical requirements during assembling and for a growing number of applications.
Ei cores are for mains transformers possess many benefits such as low noise, low magnetising current, fast assembly, and low cost. Ferroxcube reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. Soft ferrite is class of magnetic material used as transformer core. Basic constraints core loss typical value of for ferrite materials. Product specification production this data sheet contains final specifications. Kawatetsu ferrite e core similar to above e core except this one has a slot gap. Product overview ei cores ferroxcube ferrite cores.
Then, the material is put into a process of hot and cold rolling. All specifications are subject to change without notice. Ee ferrite cores datasheet, cross reference, circuit and application notes in pdf format. Ferrite cores material characteristics table ferrite material characteristics for emc prevention commonmode choke. 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. 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.
How to glue ferrite smps transformer halves together. Mnzn large size ferrite cores for high power uu series. 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. Design and dimensional data for efd, ferrite cores 29. Pdf 100ts ferrite core ei33 ferrite ei33 ei 33 transformer ei33 core ei 41 transformer ei22b ferrite ei30 transformer ei 33 ei16b ei33. Take special care to avoid this as this can cause the ferrite core to become displaced, fall off, drop, or affect the ferrite core. Flexible ferrite sheet ffs series emirfi shielding. Please refer to our web site for technical information or contact sales for a copy of our detailed ferrite catalogue. Ee core is easier to achieve high voltage electrical isolation. Ferrites and accessories e 30157 core and accessories. Ei type core ei core ei 22 magnetic ferrite pot core ei core transformer ei 33 magnetic b 1243 e116a e122 text. Features, specifications, alternative product, product training modules, and datasheets are all available. Conversely, if the tightening torque is too low, you will not be able to secure the ferrite core properly.
There are various ferrite cores used for construction of inductors, transformers and shielding. Ferrite magnets are superb in damp, wet or marine environments ferrite magnets are corrosion free. Large size ferrite ee core ee55 ee65 ee70 ee85 ee110 ee118. Design and dimensional data for ec, ferrite cores 25. Ferrite is a ferromagnetic material also ferrite is. Early computer memories stored data in the residual magnetic fields of hard ferrite cores which were as assumable in to arrays of core memory. All the more the trafo being an ei core, separating the ferrite pieces were rather easy than doing away with an ee core. Ee ferrite core coil formers the following ee coil formers and accessories are available from stock at milesplatts limited. New revision coming soonscanned pages from the amidon tech data book in portable document format. Solid ferrite plates designed for emi absorption on ics, cpus, and bus drives running at high clock speeds. Since ferrites are ceramic materials one has to be aware of the special behavior under mechanical load. For specific values of any core, see specific part datasheet.
Magnetics has the leading mnzn ferrite materials for. 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. We started experiencing cracks of the ferrite cores, so i contacted the core. List of ferrite core types stan zurek, list of ferrite core types, accessed 20200410 this page lists various names used in literature and practical applications. The bulk metals are processed from the furnace into ingots. Some of the shapes are defined by international standards e. 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. Application of eicore datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors.
Ferrite cores have to meet mechanical req uirements during assem b ling and for a growing number. Chapter 1 introduction, types and applications of ferrites. 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. The first is bulk metal, the second is powdered materials, and the third is ferrite material. A mzn ferrite designed specifically for emi suppression applications from as low as 1 mhz up to 500 mhz. It is apparent that the initial permeability is depe ndent on the stress state of the core. Ferrite ei core is easier to achieve high voltage electrical.
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