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. 647-9345
FabrikantnummerB66387G0000X187
FabrikantEPCOS
5,39 €
Each (In a Pack of 2)
Aantal stuks
E 65 - 65 x 32.8 x 27.4mm 7900nH N87 27.4mm 65mm 32.8mm - - - - - -
RS-stocknr. 647-9480
FabrikantnummerB66395G0000X187
FabrikantEPCOS
3,17 €
Each (In a Pack of 2)
Aantal stuks
ETD 54 - 54.5 x 27.8 x 19.3mm 4450nH N87 19.3mm 54.5mm 27.8mm - - - - - -
RS-stocknr. 170-1400
FabrikantnummerB65646A0000R087
FabrikantEPCOS
10,812 €
Each (On a Reel of 30)
Aantal stuks
Ferrite Core Energy Storage Chokes, Power Transformers - 7400nH N87 39mm - 50mm - - - - - IEC 61247
RS-stocknr. 170-1514
FabrikantnummerB66287K0000X187
FabrikantEPCOS
0,88 €
Each (On a Reel of 252)
Aantal stuks
Ferrite Core Power Transformers 31.75 x 20.35 x 3.15mm 6300nH N87 3.15mm 31.75mm 20.35mm - ELP - - - IEC 62317-9
RS-stocknr. 125-3606
FabrikantnummerB65981A0000R097
FabrikantEPCOS
10,16 €
Each
Aantal stuks
Ferrite Core Power Transformers 50 x 32 x 25mm 6700nH N97 25mm 50mm 32mm - - - - - IEC 62317-13
RS-stocknr. 170-1585
FabrikantnummerB66421G0000X197
FabrikantEPCOS
0,323 €
Each (On a Reel of 650)
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. 125-3651
FabrikantnummerB66311G0090X127
FabrikantEPCOS
0,547 €
Each (In a Pack of 20)
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. 125-3640
FabrikantnummerB66305G0000X127
FabrikantEPCOS
0,171 €
Each (In a Pack of 50)
Aantal stuks
Ferrite Core Miniature Transformers, Power Transformers 12.6 x 3.7 x 6.5mm 800nH N27 6.5mm 12.6mm 3.7mm - - - - - IEC 61246
RS-stocknr. 647-9317
FabrikantnummerB66325G0000X187
FabrikantEPCOS
1,80 €
Each (In a Pack of 2)
Aantal stuks
E 42 - 42 x 21.2 x 15.2mm 3950nH N87 15.2mm 42mm 21.2mm - - - - - -
RS-stocknr. 167-8396
FabrikantnummerB66395G0000X187
FabrikantEPCOS
2,102 €
Each (In a Box of 81)
Aantal stuks
ETD 54 - 54.5 x 27.8 x 19.3mm 4450nH N87 19.3mm 54.5mm 27.8mm - - - - - -
RS-stocknr. 125-3625
FabrikantnummerB66283G0000X187
FabrikantEPCOS
0,324 €
Each (In a Pack of 10)
Aantal stuks
Ferrite Core Power Transformers 18 x 10 x 4mm 2600nH N87 4mm 18mm 10mm - ELP - - - IEC 62317-9
RS-stocknr. 647-9389
FabrikantnummerB66371G0000X187
FabrikantEPCOS
8,69 €
Each (In a Pack of 2)
Aantal stuks
E 70 Transformer 70.5 x 32 x 33.2mm 9700nH N87 33.2mm 70.5mm 32mm - - - - - -
RS-stocknr. 647-9648
FabrikantnummerB67345B0001X087
FabrikantEPCOS
28,90 €
Each
Aantal stuks
U 93/104/30 Power transformer 93 x 76 x 30mm 5700nH N87 30mm 93mm 76mm - - - - - -
RS-stocknr. 167-8326
FabrikantnummerB66365G0000X127
FabrikantEPCOS
1,067 €
Each (In a Box of 144)
Aantal stuks
ETD 44 - 43.8 x 22.5 x 15.2mm 3300nH N27 15.2mm 43.8mm 22.5mm - - - - - -
RS-stocknr. 180-777
FabrikantnummerB65887E0000R087
FabrikantEPCOS
8,21 €
1 Pair
Pair(s)
RM 14 - 42.2 x 34.8 x 30.2mm 6000nH N87 30.2mm 42.2mm 34.8mm - - - - - -
RS-stocknr. 170-1547
FabrikantnummerB66335G0000X187
FabrikantEPCOS
1,919 €
Each (On a Reel of 108)
Aantal stuks
Ferrite Core Power Transformers 55 x 21 x 27.8mm 6400nH N87 27.8mm 55mm 21mm - - - - - IEC 61246
RS-stocknr. 170-1577
FabrikantnummerB66413U0100K187
FabrikantEPCOS
0,205 €
Each (On a Reel of 1920)
Aantal stuks
Ferrite Core DC/DC Converter, Flat Transformers, Power Transformers 15 x 4.85 x 7.5mm 100nH N87 7.5mm 15mm 4.85mm - - - - - IEC 61185
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. 125-3703
FabrikantnummerB66506G0000X197
FabrikantEPCOS
2,274 €
Each (In a Pack of 5)
Aantal stuks
Ferrite Core Power Transformers 30 x 20 x 8mm 4500nH N97 8mm 30mm 20mm - - - - - IEC 62317-9
RS-stocknr. 170-1523
FabrikantnummerB66295K0000X187
FabrikantEPCOS
5,595 €
Each (On a Reel of 60)
Aantal stuks
Ferrite Core Power Transformers 64 x 50.8 x 5.1mm 14000nH N87 5.1mm 64mm 50.8mm - ELP - - - IEC 62317-9
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