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
1964882
2000169
2000210
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...
1449781 Axial Ferrite Core Ni Zn 17.5x9.5x28.5mm - Ferrite Cores - Ferrite Rings
1449783 Axial Ferrite Core Ni Zn 9.5x4.75x9.5mm - Ferrite Cores - Ferrite Rings
1253360 B65713 PM87/70 Ferrite Core 12uH N27 - Transformers - Transformer Ferrite Cores
1253663
1253664
1253665
1253666
1253667
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...
1253671
1253672
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...
1253673
1253674
1253675
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...
1253679 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...
1253685 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.
1253686 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.
1253687
1253688
1253689
1253690
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...
1253696
1253697
1253698
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...
1253699
1253700
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...
180806 Core ferrite PM62/49 N87 9200nH - Transformers - Transformer Ferrite Cores
180834 Core ferrite PM74/59 N27 315nH 3.8mm gap - Transformers - Transformer Ferrite Cores
180828 Core ferrite PM74/59 N87 10000nH - Transformers - Transformer Ferrite Cores
1253376
1253378
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...
1253386 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...
1253409 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...
1253377 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...
1253387
1253388
1253389
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...
1253391 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...
1253379
1253380
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...
1253392 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...
180799 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 =...
180115 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 =...
180812 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 =...
2120588
2120588P
2120594
2120594P
2120617
2120617P
2120623
2120623P
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...
1253331
1253332
1253333
1253335
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...
1253340 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...
1253344 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.
1253347 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...
1253348
1253349
1253350
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...
1253357 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...
1253361 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...
1253364
1253365
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...
1253396
1253397
1253398
1253399
1253400
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...
1253406 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...
1253412 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...
1253416 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...
1253420
1253421
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...
1253419 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...
1253424
1253425
1253426
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...
1253604
1253605
1253606
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...
1253640
1253641
1253642
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...
1253649
1253650
1253651
1253652
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...
1253653
1253654
1253655
1253656
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...
1253657
1253658
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...
1253680
1253681
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...
1253695 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...
1253704 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...
1253644
1253645
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...
1253617
1253618
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...
1253659 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...
1253660
1253661
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...
1253662 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...
1253683 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...
1253625
1253626
1253627
1253628
1253629
1253630
1253631
1253632
1253633
1253634
1253635
1253636
1253637
1253638
1253639
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...
1253395 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...
180783 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...
1176657
1176657P
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 =...
180777 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...
1253308
1253309
1253310
1253311
1253312
1253313
1253314
1253315
1253316
1253317
1253318
1253319
1253320
1253321
1253322
1253323
1253324
1253325
1253326
2120718
2120718P
2120774
2120774P
2120803
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,...
1253327
1253328
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...
1253594
1253597
1253598
1253599
1253600
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...
1253367
1253368
1253369
1253370
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...
1253701
1253702
1253703
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...
1741156
1741229
1741263
1741308
1741358
1741364
1741370
1741415
1741421
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,...
1161471
1161487
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...
1449815 STAR-TEC snap ferrite 6-7.5mm cable - Ferrite Cores - Ferrite Sleeves
1241544
1241545
1241547
1241552
1241849
1241849P
1241850
1241850P
1241851
1241851P
1241852
1241852P
1241853
1241853P
1241854
1241854P
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...
1249620
1249621
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...
1232479
1232480
1232481
1232482
1232483
1232484
1232485
1232486
1232487
1232488
1232489
1232490
1232491
1232492
1232493
1232494
1232495
1232496
1232497
1232498
1232499
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...
1241532
1241533
1241534
1241535
1241536
1241537
1241538
1241541
1241542
1241543
1241546
1241548
1241549
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...
1234230
1234231
1234233
1234234
1234235
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...
1234236
1234237
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...
1094159
1094160
1094161
1094162
1094163
1094164
1094165
1094166
1094167
1110865
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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