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. 125-3664
FabrikantnummerB66358G0000X197
FabrikantEPCOS
0,941 €
Each (In a Pack of 10)
Aantal stuks
Ferrite Core Power Transformers, SMPS Transformers 30.6 x 9.8 x 16mm 2250nH N97 16mm 30.6mm 9.8mm - - - - - IEC 61185
RS-stocknr. 170-7546
FabrikantnummerFS-1E-4220-10
FabrikantBlock
2,569 €
Each (In a Box of 34)
Aantal stuks
E 42 Reactors, Transformers 42 x 20 x 21.2mm 5200nH N87 21.2mm 42mm 20mm +210°C - - - - -
RS-stocknr. 212-6643
FabrikantnummerB65815E0250A041
FabrikantEPCOS
2,12 €
Each
Aantal stuks
RM 12 - 37.6 x 29.8 x 24.6mm 250nH N41 24.6mm 37.6mm 29.8mm - - - - - -
RS-stocknr. 125-3696
FabrikantnummerB66421G0000X197
FabrikantEPCOS
0,582 €
Each (In a Pack of 20)
Aantal stuks
Ferrite Core DC/DC Converter, Flat Transformers, Power Transformers 25 x 9.1 x 12.5mm 2100nH N97 12.5mm 25mm 9.1mm - - - - - -
RS-stocknr. 170-1420
FabrikantnummerB65805N0250A048
FabrikantEPCOS
1,043 €
Each (On a Reel of 500)
Aantal stuks
Ferrite Core Resonant Circuit Inductors, Transformers 14.6 x 12.3 x 10.5mm 250nH N48 10.5mm 14.6mm 12.3mm - - - - - IEC 62317-4
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. 170-1537
FabrikantnummerB66311G0090X127
FabrikantEPCOS
0,177 €
Each (On a Reel of 1470)
Aantal stuks
Ferrite Core Power Transformers 20.4 x 5.9 x 10.1mm 363nH N27 10.1mm 20.4mm 5.9mm - - - - - IEC 61246
RS-stocknr. 170-7506
FabrikantnummerFS-1E-6527-01
FabrikantBlock
7,598 €
Each (In a Box of 24)
Aantal stuks
E 65 Reactors, Transformers 65 x 27.4 x 32.8mm 7900nH N87 32.8mm 65mm 27.4mm +210°C - - - - -
RS-stocknr. 170-1566
FabrikantnummerB66367G1000X187
FabrikantEPCOS
1,391 €
Each (On a Reel of 120)
Aantal stuks
Ferrite Core Power Transformers, SMPS Transformers 48.5 x 16.7 x 24.9mm 314nH N87 24.9mm 48.5mm 16.7mm - - - - - IEC 61185
RS-stocknr. 170-1558
FabrikantnummerB66361G0500X187
FabrikantEPCOS
0,485 €
Each (On a Reel of 300)
Aantal stuks
Ferrite Core Power Transformers, SMPS Transformers 34 x 11.1 x 17.5mm 251nH N87 17.5mm 34mm 11.1mm - - - - - IEC 61185
RS-stocknr. 840-7474
FabrikantnummerFS-1E-6527-01
FabrikantBlock
8,77 €
Each
Aantal stuks
E 65 Transformers, Reactors 65 x 27.4 x 32.8mm 7900nH N87 32.8mm 65mm 27.4mm +210°C - - - - -
RS-stocknr. 167-8316
FabrikantnummerB65686A0000R027
FabrikantEPCOS
36,704 €
Each (In a Box of 10)
Aantal stuks
PM 74/59 Energy storing choke 85.5 x 75 x 65mm 10000nH N27 59mm 74mm - - - - - - -
RS-stocknr. 170-1488
FabrikantnummerB65981A0000R095
FabrikantEPCOS
9,833 €
Each (On a Reel of 36)
Aantal stuks
Ferrite Core Power Transformers 50 x 32 x 25mm 8200nH N95 25mm 50mm 32mm - - - - - IEC 62317-13
RS-stocknr. 125-3633
FabrikantnummerB66289G0000X187
FabrikantEPCOS
2,426 €
Each (In a Pack of 5)
Aantal stuks
Ferrite Core Power Transformers 38.1 x 25.4 x 8.25mm 7200nH N87 8.25mm 38.1mm 25.4mm - ELP - - - IEC 62317-9
RS-stocknr. 840-7503
FabrikantnummerFS-1ETD-4415-02
FabrikantBlock
1,83 €
Each
Aantal stuks
ETD 44 Choke Converter Topologies, Transmitter 44 x 15 x 22mm 3500nH N87 22mm 44mm 15mm - - - - - -
RS-stocknr. 162-0174
FabrikantnummerB65811J0000R087
FabrikantEPCOS
0,954 €
Each
Aantal stuks
RM - 23.2 x 19.7 x 16.5mm 3300nH N87 16.5mm 23.2mm 19.7mm - - - - - -
RS-stocknr. 213-0642
FabrikantnummerB66343G0000X127
FabrikantEPCOS
4,445 €
Each (In a Pack of 2)
Aantal stuks
EC 70 Power transformer 70 x 34.6 x 16.8mm 3900nH N27 16.8mm 70mm 34.6mm - - - - - -
RS-stocknr. 212-5044
FabrikantnummerB65684A0000R027
FabrikantEPCOS
14,60 €
Each
Aantal stuks
PM 62/49 DC DC converter 62 (Dia.) x 49mm 9200nH N27 - - - - - - - - -
RS-stocknr. 125-3605
FabrikantnummerB65981A0000R095
FabrikantEPCOS
10,01 €
Each
Aantal stuks
Ferrite Core Power Transformers 50 x 32 x 25mm 8200nH N95 25mm 50mm 32mm - - - - - IEC 62317-13
RS-stocknr. 647-9604
FabrikantnummerB66417U0160K187
FabrikantEPCOS
0,585 €
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 - - - - - -
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