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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Beskrivning Pris 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
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RM 12 - 37.6 x 29.8 x 24.6mm 1000nH N41 24.6mm 37.6mm 29.8mm - - - - - -
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E 70 Transformer 70.5 x 32 x 33.2mm 9700nH N87 33.2mm 70.5mm 32mm - - - - - -
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Tillv. art.nrFS-1ETD-2910-05
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ETD 29 Choke Converter Topologies, Transmitter 29 x 10 x 16mm 2200nH N87 16mm 29mm 10mm - - - - - -
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E 70 Transformer 70.5 x 32 x 33.2mm 9700nH N87 33.2mm 70.5mm 32mm - - - - - -
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Ferrite Core DC/DC Converter, Flat Transformers, Power Transformers 20 x 6.65 x 10mm 1250nH N97 10mm 20mm 6.65mm - - - - - -
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U 93/104/30 Power transformer 93 x 76 x 30mm 5700nH N87 30mm 93mm 76mm - - - - - -
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Ferrite Core Power Transformers 12.8 x 8.7 x 2.85mm 1700nH N97 2.85mm 12.8mm 8.7mm - - - - - IEC 62317-9
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Ferrite Core Power Transformers 32 x 22 x 15.175mm 5000nH N97 15.175mm 32mm 22mm - - - - - IEC 62317-13
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I 93/104/30 Power transformer 93 x 28 x 30mm 7900nH N87 30mm 93mm 28mm - - - - - -
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