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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RS庫存編號 170-7466
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E 65 Reactors, Transformers 65 x 27.4 x 32.8mm 7900nH N87 32.8mm 65mm 27.4mm +210°C - - - - -
RS庫存編號 170-1389
製造零件編號B65525J0000R097
BrandEPCOS
HK$6.489
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Ferrite Core Power Transformers 11 x 5 x 6mm 1200nH N97 6mm 11mm 5mm - - - - - IEC 62317-9
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製造零件編號FS-1E-1605-01
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E 16 Reactors, Transformers 16 x 4.7 x 8.2mm 1000nH N87 8.2mm 16mm 4.7mm +210°C - - - - -
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HK$25.427
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Ferrite Core Power Transformers - 5500nH N87 16.3mm - 26mm - - - - - IEC 60133
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BrandEPCOS
HK$8.07
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Ferrite Core Broadband Transformers 14.6 x 12.3 x 10.5mm 6700nH T38 10.5mm 14.6mm 12.3mm - - - - - IEC 62317-4
RS庫存編號 212-6643
製造零件編號B65815E0250A041
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RM 12 - 37.6 x 29.8 x 24.6mm 250nH N41 24.6mm 37.6mm 29.8mm - - - - - -
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製造零件編號B66417U0160K187
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EFD 20 DC DC converter 20 x 10 x 6.65mm 160nH N87 6.65mm 20mm 10mm - - - - - -
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製造零件編號FS-1E-3007-02
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E 30 Reactors, Transformers 30 x 7.3 x 15.2mm 1900nH N87 15.2mm 30mm 7.3mm +210°C - - - - -
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製造零件編號PLA51LA32
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- High Power Density DC/DC Converter 70 x 53 x 22mm 128µH - 22mm 70mm 53mm +180°C PLA51 50 110 V dc +125°C -55°C -
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HK$139.38
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PM 50/39 Power Transformer - 250nH N27 - 50mm 39mm - - - - - -
RS庫存編號 167-8392
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E 42 - 42 x 21.2 x 15.2mm 3950nH N87 15.2mm 42mm 21.2mm - - - - - -
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製造零件編號B65651W0000R030
BrandEPCOS
HK$12.276
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Ferrite Core Broadband Transformers - 5900nH N30 10.6mm - 18.4mm - - - - - IEC 60133
RS庫存編號 170-7506
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E 65 Reactors, Transformers 65 x 27.4 x 32.8mm 7900nH N87 32.8mm 65mm 27.4mm +210°C - - - - -
RS庫存編號 840-7660
製造零件編號FS-1ETD-3411-10
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HK$21.50
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ETD 34 Choke Converter Topologies, Transmitter 34 x 11 x 17mm 2600nH N87 17mm 34mm 11mm - - - - - -
RS庫存編號 170-1487
製造零件編號B65981A0000R087
BrandEPCOS
HK$64.18
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Ferrite Core Power Transformers 50 x 32 x 25mm 6500nH N87 25mm 50mm 32mm - - - - - IEC 62317-13
RS庫存編號 125-3347
製造零件編號B65646A0000R087
BrandEPCOS
HK$135.09
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Ferrite Core Energy Storage Chokes, Power Transformers - 7400nH N87 39mm - 50mm - - - - - IEC 61247
RS庫存編號 125-3377
製造零件編號B65807J0000R097
BrandEPCOS
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Ferrite Core Power Transformers 17.9 x 14.7 x 12.5mm 2400nH N97 12.5mm 17.9mm 14.7mm - - - - - IEC 62317-4
RS庫存編號 170-1460
製造零件編號B65841A0000R087
BrandEPCOS
HK$4.613
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Ferrite Core Power Transformers 11.8 x 7.85 x 10.4mm 1100nH N87 10.4mm 11.8mm 7.85mm - - - - - IEC 61596
RS庫存編號 840-7597
製造零件編號FS-1ETD-5922-05
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HK$113.66
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ETD 59 Choke Converter Topologies, Transmitter 59 x 22 x 31mm 5300nH N87 31mm 59mm 22mm - - - - - -
RS庫存編號 170-7470
製造零件編號FS-1ETD-4415-00
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HK$35.908
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ETD 44 Choke Converter Topologies, Transmitter 44 x 15 x 22mm 3500nH N87 22mm 44mm 15mm - - - - - -