Transformer Ferrite Cores

Some transformers feature ferrite cores, which act as a means to transfer magnetic flux within the transformer. While less common than laminated iron cores, ferrite cores allow for superior performance.

How transformer ferrite cores work

These devices are commonly parts of switched-mode power supplies. The ferrite in the core is in powdered form, which allows the transformer to operate at very high frequencies. The devices can handle a great deal of power without huge increases in the size of the device.

Types of transformer ferrite cores

Different transformer ferrite cores are intended to be used with specific kinds of equipment. These include broadband transformers, DC/DC converters, flat transformers, power transformers, reactors, switch mode power supply (SMPS ) transformers, and transmitters.

In addition to length, depth, and width, transformer ferrite cores also vary in their minimum and maximum operating temperatures. It is important to consider the operating temperature of the equipment that the core will be used in when choosing between cores. For instance, between one with a maximum temperature of +125°Cand another with one of +210°C.


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Omschrijving Prijs Accessory Type For Use With Dimensions AL Rating Material Depth Length Width Maximum Temperature Series Input Voltage Range Maximum Operating Temperature Minimum Operating Temperature Standards Met
RS-stocknr. 167-0349
FabrikantnummerB66417G0000X187
FabrikantEPCOS
€ 372,02
1 Box of 1260
Box(es)
EFD 20 DC DC converter 20 x 10 x 6.65mm 1200nH N87 6.65mm 20mm 10mm - - - - - -
RS-stocknr. 125-3598
FabrikantnummerB65883A0000R087
FabrikantEPCOS
€ 5,725
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Aantal stuks
Ferrite Core Power Transformers 40.5 x 28 x 19.9mm 4300nH N87 19.9mm 40.5mm 28mm - - - - - IEC 62317-13
RS-stocknr. 170-1536
FabrikantnummerB66311G0000X187
FabrikantEPCOS
€ 0,257
Each (On a Reel of 1470)
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Ferrite Core Power Transformers 20.4 x 5.9 x 10.1mm 1470nH N87 10.1mm 20.4mm 5.9mm - - - - - IEC 61246
RS-stocknr. 647-9604
FabrikantnummerB66417U0160K187
FabrikantEPCOS
€ 0,452
Each (In a Pack of 10)
Aantal stuks
EFD 20 DC DC converter 20 x 10 x 6.65mm 160nH N87 6.65mm 20mm 10mm - - - - - -
RS-stocknr. 125-3675
FabrikantnummerB66363G0500X187
FabrikantEPCOS
€ 1,814
Each (In a Pack of 5)
Aantal stuks
Ferrite Core Power Transformers, SMPS Transformers 38.9 x 12.8 x 20mm 326nH N87 20mm 38.9mm 12.8mm - - - - - IEC 61185
RS-stocknr. 170-1511
FabrikantnummerB66285K0000X187
FabrikantEPCOS
€ 0,49
Each (On a Reel of 600)
Aantal stuks
Ferrite Core Power Transformers 21.8 x 15.8 x 2.5mm 5200nH N87 2.5mm 21.8mm 15.8mm - ELP - - - IEC 62317-9
RS-stocknr. 170-1590
FabrikantnummerB66479G0000X197
FabrikantEPCOS
€ 0,549
Each (On a Reel of 2000)
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Ferrite Core Power Transformers 12.8 x 8.7 x 2.85mm 1700nH N97 2.85mm 12.8mm 8.7mm - - - - - IEC 62317-9
RS-stocknr. 170-1586
FabrikantnummerB66421U0160K187
FabrikantEPCOS
€ 0,323
Each (On a Reel of 650)
Aantal stuks
Ferrite Core DC/DC Converter, Flat Transformers, Power Transformers 25 x 9.1 x 12.5mm 160nH N87 12.5mm 25mm 9.1mm - - - - - -
RS-stocknr. 125-3331
FabrikantnummerB65523J0000R087
FabrikantEPCOS
€ 0,47
Each (In a Pack of 25)
Aantal stuks
Ferrite Core Power Transformers 9.5 x 5 x 5mm 800nH N87 5mm 9.5mm 5mm - - - - - IEC 62317-9
RS-stocknr. 840-7660
FabrikantnummerFS-1ETD-3411-10
FabrikantBlock
€ 2,84
Each
Aantal stuks
ETD 34 Choke Converter Topologies, Transmitter 34 x 11 x 17mm 2600nH N87 17mm 34mm 11mm - - - - - -
RS-stocknr. 170-1428
FabrikantnummerB65807J0000R097
FabrikantEPCOS
€ 0,80
Each (On a Reel of 500)
Aantal stuks
Ferrite Core Power Transformers 17.9 x 14.7 x 12.5mm 2400nH N97 12.5mm 17.9mm 14.7mm - - - - - IEC 62317-4
RS-stocknr. 170-1462
FabrikantnummerB65843A0000R087
FabrikantEPCOS
€ 0,519
Each (On a Reel of 500)
Aantal stuks
Ferrite Core Power Transformers 12.8 x 9 x 13mm 1600nH N87 13mm 12.8mm 9mm - - - - - IEC 61596
RS-stocknr. 125-3653
FabrikantnummerB66317G0000X127
FabrikantEPCOS
€ 0,412
Each (In a Pack of 20)
Aantal stuks
Ferrite Core Power Transformers 25 x 7.5 x 12.8mm 1750nH N27 12.8mm 25mm 7.5mm - - - - - IEC 61246
RS-stocknr. 170-1469
FabrikantnummerB65877B0000R087
FabrikantEPCOS
€ 1,94
Each (On a Reel of 200)
Aantal stuks
Ferrite Core Power Transformers 26.5 x 19 x 10.08mm 5000nH N87 10.08mm 26.5mm 19mm - - - - - IEC 62317-13
RS-stocknr. 125-3667
FabrikantnummerB66358G1000X187
FabrikantEPCOS
€ 0,706
Each (In a Pack of 10)
Aantal stuks
Ferrite Core Power Transformers, SMPS Transformers 30.6 x 9.8 x 16mm 124nH N87 16mm 30.6mm 9.8mm - - - - - IEC 61185
RS-stocknr. 840-7421
FabrikantnummerFS-1ETD-4415-01
FabrikantBlock
€ 3,58
Each
Aantal stuks
ETD 44 Choke Converter Topologies, Transmitter 44 x 15 x 22mm 3500nH N87 22mm 44mm 15mm - - - - - -
RS-stocknr. 125-3701
FabrikantnummerB66479G0000X197
FabrikantEPCOS
€ 0,506
Each (In a Pack of 10)
Aantal stuks
Ferrite Core Power Transformers 12.8 x 8.7 x 2.85mm 1700nH N97 2.85mm 12.8mm 8.7mm - - - - - IEC 62317-9
RS-stocknr. 167-8318
FabrikantnummerB65646A0250A027
FabrikantEPCOS
€ 10,653
Each (In a Box of 30)
Aantal stuks
PM 39, PM 50 Power Transformer 65 x 52 x 45mm 250nH N27 - 50mm 39mm - - - - - -
RS-stocknr. 170-7470
FabrikantnummerFS-1ETD-4415-00
FabrikantBlock
€ 3,87
Each (In a Box of 10)
Aantal stuks
ETD 44 Choke Converter Topologies, Transmitter 44 x 15 x 22mm 3500nH N87 22mm 44mm 15mm - - - - - -
RS-stocknr. 170-1577
FabrikantnummerB66413U0100K187
FabrikantEPCOS
€ 0,201
Each (On a Reel of 1920)
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Ferrite Core DC/DC Converter, Flat Transformers, Power Transformers 15 x 4.85 x 7.5mm 100nH N87 7.5mm 15mm 4.85mm - - - - - IEC 61185
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