RS Components, Ltd. Datasheets for Magnetic Cores

Magnetic cores are doughnut-shaped magnetic materials that are used with inductors, transformers and electromagnets. They are also used as computer memory elements.
Magnetic Cores: Learn more

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Product Name Notes
Allows the ferrite to be fixed to cable bundles and harnesses regardless of diameter. Held in place by closing off the slit section using a single binder. Ideal for VE/CD...
Axial Ferrite Core Ni Zn 17.5x9.5x28.5mm - Ferrite Cores - Ferrite Rings
Axial Ferrite Core Ni Zn 9.5x4.75x9.5mm - Ferrite Cores - Ferrite Rings
B65713 PM87/70 Ferrite Core 12uH N27 - Transformers - Transformer Ferrite Cores
B66358 series ETD 29/16/10 ferrite cores from EPCOS are manufactured to IEC 61185 standards. These ferrite cores are ideal for switch mode power supply transformers as they provide an optimum...
B66361 series ETD 34/17/11 transformer ferrite cores from EPCOS are manufactured to IEC 61185 standards. These transformer ferrite cores are ideal for switch mode power supply transformers as they provide...
B66363 series ETD 39/20/13 transformer ferrite cores from EPCOS are produced to IEC 61185 standards. B66363 transformer ferrite cores are ideal for switch mode power supplies and at small volume...
B66365 series ETD 44/22/15 transformer ferrite cores conform to IEC61185. Available in gapped and ungapped varieties, the cores are constructed from either N27, N87, N95 or N97 ferrite material. These...
B66395 ETD 54/28/19 transformer ferrite cores from EPCOS adhere to IEC 61185. They are suitable for use in switch mode power supply transformers with optimum weight/performance ratio at small volume.
B66397 ETD 59/31/22 transformer ferrite cores from EPCOS conform to IEC 61185. They are ideal for use in switch mode power supply transformers with optimum weight/performance ratio at small volume.
B66413 series EFD 15/8/5 transformer ferrite cores from EPCOS are available in gapped or ungapped varieties. These transformer ferrite cores are E shaped, but feature a lower centre leg making...
B66421 EFD 25/13/9 transformer ferrite cores from EPCOS are ideal for DC-DC converters. Featuring an E core with a lower centre leg that has been flattened, these ferrite cores are...
B66423 EFD 30/15/9 transformer ferrite cores from EPCOS are ideal for DC-DC converters. These are E cores with a lower centre leg that has been flattened, and are suitable for...
Core ferrite PM62/49 N87 9200nH - Transformers - Transformer Ferrite Cores
Core ferrite PM74/59 N27 315nH 3.8mm gap - Transformers - Transformer Ferrite Cores
Core ferrite PM74/59 N87 10000nH - Transformers - Transformer Ferrite Cores
Cores without centre hole for transformer applications. Delivered as sets Accessory Type = Ferrite Core For Use With = Broadband Transformers Dimensions = 17.9 x 14.7 x 12.5mm AL Rating...
Cores without centre hole for transformer applications. Delivered as sets Accessory Type = Ferrite Core For Use With = Broadband Transformers Dimensions = 23.2 x 19.7 x 16.5mm AL Rating...
Cores without centre hole for transformer applications. Delivered as sets Accessory Type = Ferrite Core For Use With = Power Transformers Dimensions = 11.8 x 7.85 x 10.4mm AL Rating...
Cores without centre hole for transformer applications. Delivered as sets Accessory Type = Ferrite Core For Use With = Power Transformers Dimensions = 17.9 x 14.7 x 12.5mm AL Rating...
Cores without centre hole for transformer applications. Delivered as sets Accessory Type = Ferrite Core For Use With = Power Transformers Dimensions = 23.2 x 19.7 x 16.5mm AL Rating...
Cores without centre hole for transformer applications. Delivered as sets Accessory Type = Ferrite Core For Use With = Power Transformers Dimensions = 28.5 x 24.7 x 18.7mm AL Rating...
Cores without centre hole for transformer applications. Delivered as sets Accessory Type = Ferrite Core For Use With = Resonant Circuit Inductors, Transformers Dimensions = 17.9 x 14.7 x 12.5mm...
Cores without centre hole for transformer applications. Delivered as sets Accessory Type = Ferrite Core For Use With = Resonant Circuit Inductors, Transformers Dimensions = 28.5 x 24.7 x 18.7mm...
Cores without centre hole for transformer applications. Delivered as sets Accessory Type = RM 10 For Use With = Transformer Dimensions = 28.5 x 24.7 x 18.7mm AL Rating =...
Cores without centre hole for transformer applications. Delivered as sets Accessory Type = RM 6 For Use With = Transformer Dimensions = 17.9 x 14.7 x 12.5mm AL Rating =...
Cores without centre hole for transformer applications. Delivered as sets Accessory Type = RM Dimensions = 23.2 x 19.7 x 16.5mm AL Rating = 3300nH Material = N87 Depth =...
Double aperture cores suitable for broadband transformers up to high frequencies. N30 material for low frequencies and pulse applications. K1 material for matching transformers and balancing mixers up to 250MHz...
EPCOS B65523 ER9 5/5 Ferrite cores with a round centre leg offer the advantage of easy winding, particularly when thick winding wires are used. The ferrite cores have compact mounting...
EPCOS B65541 P14/8 Ferrite cores can be used in various applications to over 100 MHz. The wound coil is enclosed by the ferrite core, P cores feature low magnetic leakage.They...
EPCOS B65611 P36/22 Ferrite cores can be used in various applications to over 100 MHz. The wound coil is enclosed by the ferrite core, P cores feature low magnetic leakage.
EPCOS B65646 PM50/39 ferrite cores are suitable for use in transformers handling powers in the frequency range up to 300 kHz, also for use in telecommunications and industrial electronics. The...
EPCOS B65651 P18/11 Ferrite cores offer a choice in materials which permits the cores to be used in various applications over 100 MHz.The wound coil is enclosed by the ferrite...
EPCOS B65671 P26/16 Ferrite cores offer a choice in materials which permits the cores to be used in various applications over 100 MHz.The wound coil is enclosed by the ferrite...
EPCOS B65713 PM87/70 Ferrite cores are suitable for use in transformers handling high powers in the frequency range up to 300 kHz. These PM Cores can be used in numerous...
EPCOS B65733 PM114/93 Ferrite cores are suitable for use in transformers handling high powers in the frequency range up to 300 kHz. These PM Cores can be used in numerous...
EPCOS B65819 RM7 Ferrite cores are increasingly required for power applications. These ferrite cores are designed for two major applications low loss, highly stable filter inductors and other resonance determining...
EPCOS B65839 EP7 ferrite cores are typically used for transformer applications. Their cubic shape provides an excellent volume ratio to total space and permits high PCB packaging densities. The compact...
EPCOS B65843A EP13 ferrite cores are typically used for transformer applications. Their cubic shape provides an excellent volume ratio to total space and permits high PCB packaging densities. The compact...
EPCOS B65847 EP20 ferrite cores are typically used for transformer applications. Their cubic shape provides an excellent volume ratio to total space and permits high PCB packaging densities. The compact...
EPCOS B65877 PQ26/20 Ferrite cores have optimised round leg and wider outer surface to conventional cores. The round leg on these ferrite cores reduces winding length and the wider surface...
EPCOS B65877 PQ26/25 ferrite cores are a preferred shape for power conversion. The main advantage compared to conventional round or rectangular e type is the optimised round leg and wider...
EPCOS B65879 PQ32/20 Ferrite cores have optimised round leg and wider outer surface to conventional cores. The round leg on these ferrite cores reduces winding length and the wider surface...
EPCOS B65981 PQ50/50 Ferrite cores have optimised round leg and wider outer surface to conventional cores. The round leg on these ferrite cores reduces winding length and the wider surface...
EPCOS B66305 E13/7/4 ferrite cores For miniature transformers.E Cores have a high permeability for common mode chokes and broadband applications. The materials used in the cores N327 N87 feature a...
EPCOS B66311 E20/10/6 ferrite cores have a rectangular centre leg with compact mounting dimensions and wide openings on each side. Suitable for power applications in the frequency range up to...
EPCOS B66317 E25/13/7 ferrite cores have a rectangular centre leg with compact mounting dimensions and wide openings on each side. Suitable for power applications in the frequency range up to...
EPCOS B66319 E30/15/7 ferrite cores have a rectangular centre leg with compact mounting dimensions and wide openings on each side. Suitable for power applications in the frequency range up to...
EPCOS B66367 series ETD 49/25/16 transformer ferrite cores conform to IEC 61185. They are designed for switch mode power supply transformers with an optimum weight to performance ratio at small...
EPCOS B66417 EFD 20/10/7 transformer ferrite cores are suitable for use in DC-DC converters. These E cores feature a lower centre leg that has been flattened, making them ideal for...
EPCOS B67385 UU/126/182/20 ferrite cores are made from SIFFERIRIT material N87.Owing to the high saturation flux density, high curie temperature and low dissipation losses they are suitable for power, pulse...
EPCOS E16/8/5 ferrite cores for miniature transformers.E Cores have a high permeability for common mode chokes and broadband applications. The material used in the cores N87 features a high saturation...
EPCOS E32/16/9 ferrite cores are for power applications in the frequency range up to 100kHZ. The material used in the cores N87 N27 features a high saturation flux density and...
EPCOS E42/21/15 ferrite cores are for power applications in the frequency range up to 100KHZ. The material used in the cores N27 features a high saturation flux density and low-power...
EPCOS E55/28/21 ferrite cores are for power applications in the frequency range up to 100kHZ. The material used in the cores N27 N87 features a high saturation flux density and...
EPCOS E55/28/21 ferrite cores are for power applications in the frequency range up to 100kHZ. The material used in the cores N87 features a high saturation flux density and low-power...
EPCOS E80/38/20 ferrite cores are for power applications in the frequency range up to 100kHZ. The material used in the cores N87 features a high saturation flux density and low-power...
EPCOS ELP ferrite cores enable the design of flat transformers and feature excellent thermal performance due to the large core surface. Planar E shape transformer cores offer an attractive alternative...
EPCOS Ferrite cores Incorporate optimised core cross section with increased thickness of base for power applications. Accessory Type = Ferrite Core For Use With = Power Transformers Dimensions = 37.6...
EPCOS Ferrite cores Incorporate optimised core cross section with increased thickness of base for power applications. Accessory Type = RM 12 Dimensions = 37.6 x 29.8 x 24.6mm AL Rating...
EPCOS Ferrite cores Incorporate optimised core cross section with increased thickness of base for power applications. Accessory Type = RM 14 Core For Use With = Power Transformer Dimensions =...
EPCOS Ferrite cores Incorporate optimised core cross section with increased thickness of base for power applications. Accessory Type = RM 14 Dimensions = 42.2 x 34.8 x 30.2mm AL Rating...
EPCOS ferrite ring cores are coated with polyamide or epoxy resin that provides insulation as well as protection for the edges. Suitable applications for these ferrite rings include chokes, baluns,...
EPCOS P9/5 Ferrite cores can be used in various applications to over 100 MHz. The wound coil is enclosed by the ferrite core, P cores feature low magnetic leakage. They...
EPCOS PQ Ferrite cores have optimised round leg and wider outer surface to conventional cores. The round leg on these ferrite cores reduces winding length and the wider surface area...
EPCOS RM5 Ferrite cores are increasingly required for power applications. These cores are designed for two major applications low loss, highly stable filter inductors and other resonance determinIng inductors. The...
EQ cores from EPCOS are designed for power applications and can be integrated into PCBs. These ferrite cores are low profile and feature low losses and high saturation. These transformer...
Ferrite cores offered in 4 varieties of different materials. The models with an external diameter of less than 9 mm are dark grey, regardless of material. For the other diameters,...
Split tube cores in nylon clip housing. Ferrite protected against mechanical damage. Simple retro-assembly by clamping the nylon housing onto the cable. Available for 2 different cable diameters. Housing made...
STAR-TEC snap ferrite 6-7.5mm cable - Ferrite Cores - Ferrite Sleeves
The WE-TOF series NiZn Broadband absorber ferrite cores available in a diverse type and range of NiZn to give the best possible interference suppression. This series of EMI suppression tordial...
These RS Pro ferrite sleeves are used to suppress high frequency noise in a cable. The cable to be screened is passed through the bore of the ferrite sleeve which...
This range of ferrite sleeves from our trusted RS Pro brand features a hinged clamp. Construction with precision formed smooth surfaces prevents any damage from occurring to cables or wire...
Wurth Elektronik axial ferrite rings fit over the cable, absorbing energy emitted by cables without affecting the transmitted data. These ferrite rings can be fixed on the cable by using...
Wurth Elektronik WE-AFB Series EMI suppression axial ferrite beads are made from NiZn a material which works in a broad frequency range. These ferrite beads have an operating temperature of...
Wurth Elektronik WE-SAFB Series Small-size EMI suppression ferrite beads are made from NiZn a material which works in a broad frequency range. These ferrite beads have an operating temperature of...
ZCAT Series clamp filters for cable applications are constructed from a unique plastic case to ensure simple, convenient installation. They feature a self-holding mechanism to prevent slippage on cables. ZCAT...

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