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Ferrite cores

566 items in 728 variations
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7427221 Würth Elektronik eiSos Ferrite cores
Snap ferrite core, 4W620, ±25 %, (L x W x H) 18 x 8 x 5 mm, 7427221
Order No.:
 10P12345
Manufacturer:
 Würth Elektronik eiSos
Manufacturer SKU:
 7427221
Next delivery: 128 pcs. on 2026-02-25 Available in 5 Days: 272,661 pcs. - if ordered today
Total Price: 2.50 € *
1 pcs.
2.4954 €
10 pcs.
1.8719 €
100 pcs.
1.6636 €
250 pcs.
1.5589 €
500 pcs.
1.4970 €
4W620
±25 %
18 mm
8 mm
5 mm
1 ...
7
8
9
... 37
*incl. VAT plus shipping costs
Subject to prior sale
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Buy ferrite cores

Ferrite cores are components that are used in electronic circuits to suppress high-frequency interference signals. A ferrite core acts as a kind of magnetic sponge that can absorb electromagnetic waves due to its nature. This prevents these waves from interacting with other components.

Ferrite cores are present in a wide range of applications, from interference suppression in power supply systems to improving signal integrity in communication systems. They are essential components in the electronics industry, where they help ensure stable and trouble-free operation of devices.

Components for trouble-free operation

Toroidal core, E-core, PM-core, double hole and co.: The various ferrite core models and other inductors can be found in the Bürklin Elektronik online store. Convince yourself of the quality and reliability of our products! Our experts will help you select the right model if necessary - simply contact us by phone, or submit an inquiry via contact form. We will get back to you as soon as possible to clarify your request.