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. 125-3654
FabrikantnummerB66317G0000X187
FabrikantEPCOS
0,461 €
Each (In a Pack of 20)
Aantal stuks
Ferrite Core Power Transformers 25 x 7.5 x 12.8mm 1850nH N87 12.8mm 25mm 7.5mm - - - - - IEC 61246
RS-stocknr. 170-1540
FabrikantnummerB66317G0000X187
FabrikantEPCOS
0,311 €
Each (On a Reel of 900)
Aantal stuks
Ferrite Core Power Transformers 25 x 7.5 x 12.8mm 1850nH N87 12.8mm 25mm 7.5mm - - - - - IEC 61246
RS-stocknr. 170-1589
FabrikantnummerB66423U0315K187
FabrikantEPCOS
0,501 €
Each (On a Reel of 300)
Aantal stuks
Ferrite Core DC/DC Converter, Flat Transformers, Power Transformers 30 x 9.1 x 15mm 315nH N87 15mm 30mm 9.1mm - - - - - -
RS-stocknr. 125-3700
FabrikantnummerB66423U0315K187
FabrikantEPCOS
0,899 €
Each (In a Pack of 10)
Aantal stuks
Ferrite Core DC/DC Converter, Flat Transformers, Power Transformers 30 x 9.1 x 15mm 315nH N87 15mm 30mm 9.1mm - - - - - -
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. 170-1552
FabrikantnummerB66358G0500X187
FabrikantEPCOS
0,451 €
Each (On a Reel of 300)
Aantal stuks
Ferrite Core Power Transformers, SMPS Transformers 30.6 x 9.8 x 16mm 201nH N87 16mm 30.6mm 9.8mm - - - - - IEC 61185
RS-stocknr. 170-1541
FabrikantnummerB66317G0250X187
FabrikantEPCOS
0,256 €
Each (On a Reel of 900)
Aantal stuks
Ferrite Core Power Transformers 25 x 7.5 x 12.8mm 250nH N87 12.8mm 25mm 7.5mm - - - - - IEC 61246
RS-stocknr. 125-3349
FabrikantnummerB65651T0400A048
FabrikantEPCOS
2,82 €
Each (In a Pack of 2)
Aantal stuks
Ferrite Core Resonant Circuit Inductors - 400nH N48 10.6mm - 18.4mm - - - - - IEC 60133
RS-stocknr. 125-3655
FabrikantnummerB66317G0250X187
FabrikantEPCOS
0,451 €
Each (In a Pack of 20)
Aantal stuks
Ferrite Core Power Transformers 25 x 7.5 x 12.8mm 250nH N87 12.8mm 25mm 7.5mm - - - - - IEC 61246
RS-stocknr. 170-1402
FabrikantnummerB65651T0400A048
FabrikantEPCOS
1,823 €
Each (On a Reel of 500)
Aantal stuks
Ferrite Core Resonant Circuit Inductors - 400nH N48 10.6mm - 18.4mm - - - - - IEC 60133
RS-stocknr. 170-1539
FabrikantnummerB66317G0000X127
FabrikantEPCOS
0,284 €
Each (On a Reel of 900)
Aantal stuks
Ferrite Core Power Transformers 25 x 7.5 x 12.8mm 1750nH N27 12.8mm 25mm 7.5mm - - - - - IEC 61246
RS-stocknr. 125-3666
FabrikantnummerB66358G0500X187
FabrikantEPCOS
0,764 €
Each (In a Pack of 10)
Aantal stuks
Ferrite Core Power Transformers, SMPS Transformers 30.6 x 9.8 x 16mm 201nH N87 16mm 30.6mm 9.8mm - - - - - IEC 61185
RS-stocknr. 840-7676
FabrikantnummerFS-1ETD-4916-10
FabrikantBlock
4,45 €
Each
Aantal stuks
ETD 49 Choke Converter Topologies, Transmitter 49 x 16 x 25mm 3800nH N87 25mm 49mm 16mm - - - - - -
RS-stocknr. 647-9395
FabrikantnummerB66361G0000X187
FabrikantEPCOS
0,99 €
Each (In a Pack of 2)
Aantal stuks
ETD 11, ETD 17, ETD 34 SMPS Transformer 34 x 11.1 x 17.5mm 2600nH N87 17.5mm 34mm 11.1mm - - - - - -
RS-stocknr. 162-0141
FabrikantnummerB66361G0000X187
FabrikantEPCOS
0,602 €
Each (In a Box of 300)
Aantal stuks
ETD 11, ETD 17, ETD 34 SMPS Transformer 34 x 11.1 x 17.5mm 2600nH N87 17.5mm 34mm 11.1mm - - - - - -
RS-stocknr. 170-7541
FabrikantnummerFS-1ETD-4916-10
FabrikantBlock
4,005 €
Each (In a Box of 60)
Aantal stuks
ETD 49 Choke Converter Topologies, Transmitter 49 x 16 x 25mm 3800nH N87 25mm 49mm 16mm - - - - - -
RS-stocknr. 180-799
FabrikantnummerB65813J0000R087
FabrikantEPCOS
1,98 €
1 Pair
Pair(s)
RM 10 Transformer 28.5 x 24.7 x 18.7mm 4200nH N87 18.7mm 28.5mm 24.7mm - - - - - -
RS-stocknr. 125-3662
FabrikantnummerB66344G0000X187
FabrikantEPCOS
4,42 €
Each (In a Pack of 2)
Aantal stuks
Ferrite Core Power Transformers 55 x 25 x 27.8mm 7300nH N87 27.8mm 55mm 25mm - - - - - -
RS-stocknr. 167-8291
FabrikantnummerB65815E0000R087
FabrikantEPCOS
1,98 €
Each
Aantal stuks
RM 12 - 37.6 x 29.8 x 24.6mm 6000nH N87 24.6mm 37.6mm 29.8mm - - - - - -
RS-stocknr. 170-1441
FabrikantnummerB65813J0000R097
FabrikantEPCOS
1,641 €
Each (On a Reel of 200)
Aantal stuks
Ferrite Core Power Transformers 28.5 x 24.7 x 18.7mm 4200nH N97 18.7mm 28.5mm 24.7mm - - - - - IEC 62317-4
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