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. 167-8386
FabrikantnummerB66371G0000X127
FabrikantEPCOS
€ 5,664
Each (In a Box of 30)
Aantal stuks
E 32, E 33, E 70 Transformer 70.5 x 32 x 33.2mm 8850nH N27 33.2mm 70.5mm 32mm - - - - - -
RS-stocknr. 125-3386
FabrikantnummerB65811J0000R030
FabrikantEPCOS
€ 1,744
Each (In a Pack of 10)
Aantal stuks
Ferrite Core Broadband Transformers 23.2 x 19.7 x 16.5mm 5700nH N30 16.5mm 23.2mm 19.7mm - - - - - IEC 62317-4
RS-stocknr. 170-1517
FabrikantnummerB66289K0000X187
FabrikantEPCOS
€ 1,911
Each (On a Reel of 150)
Aantal stuks
Ferrite Core Power Transformers 38.1 x 25.4 x 3.8mm 8300nH N87 3.8mm 38.1mm 25.4mm - ELP - - - IEC 62317-9
RS-stocknr. 170-7468
FabrikantnummerFS-1EFD-3009-00
FabrikantBlock
€ 2,02
Each (In a Box of 10)
Aantal stuks
EFD 30 Choke Converter Topologies, Transmitter 30 x 9 x 15mm 2050nH N87 15mm 30mm 9mm - - - - - -
RS-stocknr. 170-1561
FabrikantnummerB66363G0500X187
FabrikantEPCOS
€ 1,258
Each (On a Reel of 200)
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. 170-7467
FabrikantnummerFS-1E-7032-00
FabrikantBlock
€ 10,86
Each (In a Box of 10)
Aantal stuks
E 70 Reactors, Transformers 70.5 x 32 x 33.2mm 9700nH N87 33.2mm 70.5mm 32mm +210°C - - - - -
RS-stocknr. 170-7466
FabrikantnummerFS-1E-6527-00
FabrikantBlock
€ 10,56
Each (In a Box of 10)
Aantal stuks
E 65 Reactors, Transformers 65 x 27.4 x 32.8mm 7900nH N87 32.8mm 65mm 27.4mm +210°C - - - - -
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