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Showing Results For: Ferrite Beads

Ferrite Beads

Ferrite beads, also called ferrite block or ferrite choke, are choke that mitigates high-frequency electronic noise in an electronic circuit. The ferrite can be resistive over its intended frequency range and uses up the noise energy in the form of heat.

Ferrite Bead work

These are linked in a series with the power supply rail and usually linked with the capacitors to place on one of the two sides of the bead. This is why it forms a low pass filter network, mitigating the high-frequency power supply noise. 

When we compare single part numbers, families of these beads are more versatile, but they still require careful analysis. They may vary in materials and construction, so matching frequency performance with a specific manufacturer's specification is essential. In addition, if you're sourcing parts from more than one manufacturer for the same project, the parts should closely resemble one another in terms of size and shape. This is to avoid any potential differences in materials or construction problems.

Ferrite Bead exists in two categories. 

  • High-Q beads are commonly used as a resonator but can't be used in power isolation circuits. 
  • Low-Q beads are absorptive beads and enable an efficient filter network because they are configured to absorb high-frequency noise currents and disperse them as heat.

How to consider choosing Ferrite bead

  • This is important to consider that any voltage drops do not harm the intended supply rail to fall below the suggested operating way of using the electronic device.
  • It is inductive capability; they do not use it with high-Q decoupling capacitors. 
  • The condition for applying these beads correctly can vary in terms of effective and inexpensive ways of reducing high-frequency noise and switching transients.

Ferrite Bead Uses

When composing electronic equipment, monitoring or controlling the EMI electromagnetic interference in a device is important to protect devices from defects caused by high-frequency noise levels, such as

  • Depleting high-frequency EMI noise on any circuit design
  • Smart devices such as mobile phones
  • Computers and laptops
  • Audio players 
  • Television
  • In gaming system
  • DVDs

Types of Ferrite Bead

There are several types of beads, and their properties can vary. Most manufacturers provide a table of data for their products. The table includes their part number, the DC resistance, the maximum current rating, and the dimensional data. It is essential to check the specifications of a given pigtail before buying. For example, a pigtail ring can be a good choice if your dc-frequency application is only a few microwatts.

Because these beads are so small, they can be difficult to see, but they are important for certain applications. Some are essential for compliance with government regulators. If your product doesn't pass these tests, it's unlikely to get certified. But if it does, pigtail earrings are an excellent option for noise-canceling devices. They can even help protect your home from electric shock. This type of filter is particularly useful for home appliances.

Enrgtech is an electrical and electronic equipment supplier around the world. We are here to serve you with the best products. Place your order now.


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MH1005-301Y, Bourns
9998 In Stock
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10000 +
£ 0.011
20000 +
£ 0.01
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MH1005-601Y, Bourns
9998 In Stock
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10000 +
£ 0.01
20000 +
£ 0.009
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MH1005-800Y, Bourns
19998 In Stock
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10000 +
£ 0.011
20000 +
£ 0.01
Wurth Elektronik
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74270025, Wurth Elektronik
126 In Stock
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128 +
£ 0.318
256 +
£ 0.282
384 +
£ 0.23
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MU3261-101Y, Bourns
2998 In Stock
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3000 +
£ 0.019
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MU3261-600Y, Bourns
2998 In Stock
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3000 +
£ 0.017
Rohs Verified
MH1608-101T, Bourns
3998 In Stock
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4000 +
£ 0.016
8000 +
£ 0.015
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MG3261-151Y, Bourns
2998 In Stock
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3000 +
£ 0.017
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MH4516-800Y, Bourns
1998 In Stock
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2000 +
£ 0.057
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MH4532-121Y, Bourns
998 In Stock
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1000 +
£ 0.103
Rohs Verified
MH4532-800Y, Bourns
1998 In Stock
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1000 +
£ 0.087
Rohs Verified
MU3261-601Y, Bourns
6071 In Stock
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3000 +
£ 0.017
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74270010, Wurth Elektronik
10072 In Stock
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5000 +
£ 0.327
Wurth Elektronik
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74270023, Wurth Elektronik
126 In Stock
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128 +
£ 0.428
256 +
£ 0.386
640 +
£ 0.352
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74270073, Wurth Elektronik
1089 In Stock
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500 +
£ 0.389
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MH1005-471Y, Bourns
9998 In Stock
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10000 +
£ 0.011
20000 +
£ 0.01
Rohs Verified
MH1608-121T, Bourns
3998 In Stock
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4000 +
£ 0.016
8000 +
£ 0.015
Wurth Elektronik
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7427007141, Wurth Elektronik
1086 In Stock
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500 +
£ 0.349
Wurth Elektronik
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742700221, Wurth Elektronik
8081 In Stock
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4000 +
£ 0.318
Wurth Elektronik
Rohs Verified
74270024, Wurth Elektronik
2998 In Stock
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500 +
£ 0.517
Rohs Verified
MH4516-600Y, Bourns
1998 In Stock
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2000 +
£ 0.055
Rohs Verified
MH1608-151T, Bourns
3998 In Stock
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4000 +
£ 0.016
8000 +
£ 0.015
Rohs Verified
MH1608-600T, Bourns
3998 In Stock
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4000 +
£ 0.016
8000 +
£ 0.015
Rohs Verified
MH1608-800T, Bourns
3998 In Stock
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4000 +
£ 0.016
8000 +
£ 0.014
Rohs Verified
MU3261-121Y, Bourns
2998 In Stock
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3000 +
£ 0.017
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FAQs
We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like Ferrite Beads and all others.
You can email us directly at sales@enrgtech.co.uk or via our website for any queries regarding Ferrite Beads or any other product.
This depends on the Ferrite Beads individual product and information that can be found on our website.
Yes, we offer special discounts on orders above £200 for Ferrite Beads and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including Ferrite Beads.
Yes. We keep updating our stock frequently and if a product like Ferrite Beads is not in stock then we will let you know.