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. 125-3683
FabrikantnummerB66375G0000X187
FabrikantEPCOS
6,74 €
Each
Aantal stuks
Ferrite Core Power Transformers 80 x 20.2 x 38.5mm 4500nH N87 38.5mm 80mm 20.2mm - - - - - -
RS-stocknr. 483-3624
FabrikantnummerB66423G0000X187
FabrikantEPCOS
0,918 €
Each (In a Pack of 5)
Aantal stuks
EFD 30 DC DC converter 30 x 15 x 9.1mm 2050nH N87 9.1mm 30mm 15mm - - - - - -
RS-stocknr. 167-8288
FabrikantnummerB65813J0000R087
FabrikantEPCOS
1,093 €
Each
Aantal stuks
RM 10 Transformer 28.5 x 24.7 x 18.7mm 4200nH N87 18.7mm 28.5mm 24.7mm - - - - - -
RS-stocknr. 180-783
FabrikantnummerB65815E0000R087
FabrikantEPCOS
3,23 €
1 Pair
Pair(s)
RM 12 - 37.6 x 29.8 x 24.6mm 6000nH N87 24.6mm 37.6mm 29.8mm - - - - - -
RS-stocknr. 125-3662
FabrikantnummerB66344G0000X187
FabrikantEPCOS
4,245 €
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. 170-1548
FabrikantnummerB66344G0000X187
FabrikantEPCOS
2,458 €
Each (On a Reel of 100)
Aantal stuks
Ferrite Core Power Transformers 55 x 25 x 27.8mm 7300nH N87 27.8mm 55mm 25mm - - - - - -
RS-stocknr. 180-799
FabrikantnummerB65813J0000R087
FabrikantEPCOS
1,89 €
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. 167-8279
FabrikantnummerB66423G0000X187
FabrikantEPCOS
0,474 €
Each (In a Box of 300)
Aantal stuks
EFD 30 DC DC converter 30 x 15 x 9.1mm 2050nH N87 9.1mm 30mm 15mm - - - - - -
RS-stocknr. 170-1441
FabrikantnummerB65813J0000R097
FabrikantEPCOS
1,322 €
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
RS-stocknr. 125-3391
FabrikantnummerB65813J0000R097
FabrikantEPCOS
1,344 €
Each (In a Pack of 5)
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
RS-stocknr. 125-3400
FabrikantnummerB65819N0315A048
FabrikantEPCOS
3,354 €
Each (In a Pack of 5)
Aantal stuks
Ferrite Core Resonant Circuit Inductors, Transformers 20.3 x 17.2 x 13.5mm 315nH N48 13.5mm 20.3mm 17.2mm - - - - - IEC 62317-4
RS-stocknr. 170-7540
FabrikantnummerFS-1ETD-4415-10
FabrikantBlock
2,712 €
Each (In a Box of 80)
Aantal stuks
ETD 44 Choke Converter Topologies, Transmitter 44 x 15 x 22mm 3500nH N87 22mm 44mm 15mm - - - - - -
RS-stocknr. 125-3599
FabrikantnummerB65883A0000R095
FabrikantEPCOS
8,895 €
Each (In a Pack of 2)
Aantal stuks
Ferrite Core Power Transformers 40.5 x 28 x 19.9mm 5500nH N95 19.9mm 40.5mm 28mm - - - - - IEC 62317-13
RS-stocknr. 170-1522
FabrikantnummerB66295G0000X187
FabrikantEPCOS
6,005 €
Each (On a Reel of 60)
Aantal stuks
Ferrite Core Power Transformers 64 x 50.8 x 10.2mm 12500nH N87 10.2mm 64mm 50.8mm - ELP - - - IEC 62317-9
RS-stocknr. 167-8302
FabrikantnummerB65686A0000R087
FabrikantEPCOS
38,193 €
Each
Aantal stuks
PM 74/59 Energy storing choke 85.5 x 75 x 65mm 10000nH N87 - 74mm 59mm - - - - - -
RS-stocknr. 125-3335
FabrikantnummerB65525J0000R097
FabrikantEPCOS
0,923 €
Each (In a Pack of 10)
Aantal stuks
Ferrite Core Power Transformers 11 x 5 x 6mm 1200nH N97 6mm 11mm 5mm - - - - - IEC 62317-9
RS-stocknr. 125-3690
FabrikantnummerB66413U0160L187
FabrikantEPCOS
0,404 €
Each (In a Pack of 20)
Aantal stuks
Ferrite Core DC/DC Converter, Flat Transformers, Power Transformers 15 x 4.85 x 7.5mm 160nH N87 7.5mm 15mm 4.85mm - - - - - IEC 61185
RS-stocknr. 647-9660
FabrikantnummerB67345B0002X087
FabrikantEPCOS
17,96 €
Each
Aantal stuks
I 93/104/30 Power transformer 93 x 28 x 30mm 7900nH N87 30mm 93mm 28mm - - - - - -
RS-stocknr. 125-3600
FabrikantnummerB65883A0000R097
FabrikantEPCOS
3,335 €
Each (In a Pack of 2)
Aantal stuks
Ferrite Core Power Transformers 40.5 x 28 x 19.9mm 4500nH N97 19.9mm 40.5mm 28mm - - - - - IEC 62317-13
RS-stocknr. 167-0378
FabrikantnummerB67345B0001X087
FabrikantEPCOS
26,271 €
Each (In a Box of 8)
Aantal stuks
U 93/104/30 Power transformer 93 x 76 x 30mm 5700nH N87 30mm 93mm 76mm - - - - - -
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