Common Mode Chokes
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Common Mode Chokes

A common mode choke is where both line and neutral windings are wound on a single core. When using a current compensated choke to decrease common mode noise, (the interference pattern or the unwanted noise) you want to have a high impedance at the unwanted frequencies to knock down that unwanted noise.

We focus on designing, researching and developing, manufacturing and selling common mode chokes.

Common Mode Chokes

Common Mode Chokes Manufacture Process:

Common Mode Chokes Advantages:

If you use a common mode choke, it can attenuate the unwanted high frequency signals, while you would get better efficiency for knocking down the unwanted noise, and allowing your required signal to pass. Also common mode chokes can operate at a high current with high inductance values.

Common Mode Chokes Application:

Common to various industries (industrial, electronic, telecom).

Found in LCD panels, computers and monitors.

Found in utomotive part allowing communication between microcontrollers and other devices.

Found on USB cables near connector pins to filter high frequency noise in a circuit (aka ferrite choke or ferrite bead).

Found in ontrol functions of automated systems.

Common choke modes can additionally be used to troubleshoot for radio interference or bandwidth issues. Many different technical issues can be resolved through this type of filtering.

Common Mode Choke
Common Mode Chokes in computers
Common Mode Chokes in LCD panels

YINT Brand Introduction:

YINT Electronics, established in 2006, a leading provider of circuit protector and solution service, integrates R&D, production, sales and service in one, it has its own intellectual property rights in all the products, the products are mainly sold to more than 20 domestic cities and more than 10 countries worldwide. Our headquarter is in Shanghai and our factory is located in Wuhu, now we have 200 employees and 50 employees among them are in charge of management, design and techniques.

Production Capacity and Equipment:

YINT has been accredited with ISO9001 quality system certification in 2007 and now we have 19 Certificates of Utility Model Patent. Our company has imported high-tech production and testing equipment, all the products comply with RoHS requirements; many series of products are certified by international safety regulatory agencies, such as UL, VDE, CSA, etc.


2019 Korea Electronics Show (KES)

2019 Korea Electronics Show (KES)

Electronica China 2019

Electronica China 2019

Electronica China 2020

Electronica China 2020

Questions you may be concerned about

1. Can you provide samples of common mode chokes? isit free or extra?

Free samples for testing.

Professional electronic solutions according to customers' demands.

Customized common mode chokes products.

2. Can you provide competitive prices for common mode chokes?

1) The price is different according to customers' needs and quantity requirements.

2) The customized products will incur additional production costs.

3. What is your payment term?

100% TT in advance in first stage.

4. Common mode chokes Packing and DeliveryIssues:

1) The common mode chokes will be packed in reel or plastic case type, as photos.

Common Mode Chokes Packing

2) Envelope for small quantity, carton for large quantity, extra wraping materials will be applied tolong-distance transportation.

Common Mode Choke Packing

3) Lead time: usually within 10 working days after payement.

4) Port: Shanghai

5) Shipping Methods: DHL, Fedex, by sea, etc(Negotiable)

5. How is your quality control carried out?/ How do you ensurecommon mode chokes quality?

1) We have a professional QC Department, every part must be passed by QC from our company beforeshippment.

2) If there are any quality problems after you receving the products, please make sure that all itemsare in their original conditions for refund or replacement.

3) Our technical engineer team provides professional solutions and other technical consultingservices.

4) Our professional foreign trade team follows up all the delivery process of each order.


1. What is common mode choke?

A common mode choke is where both line and neutral windings are wound on a single core. When using a current compensated choke to decrease common mode noise, (the interference pattern or the unwanted noise) you want to have a high impedance at the unwanted frequencies to knock down that unwanted noise.

2. How to test common mode chokes?

A common mode choke has two wires wrapped around a ferrite or magnetic core. It functions by using two fundamental processes: steering the noise current in the same direction across both wires, while simultaneously generating a magnetic field with two or more windings. Combined, these two mechanics add flux and prevent frequency noise by blocking the common mode current.

3. What Are the Advantages of Using Common Mode Chokes?

Increased efficiency

High inductance

Low-EMI radiation

Blocked or suppressed high-frequency signals

4. What are common mode chokes used for?

Common mode chokes are a necessity for any operating network or systems.

If you are interested in any of our common mode chokes. or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.

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