SQ Common-Mode Choke for EMI Noise Suppression
The SQ Common-Mode Choke is a magnetic component designed to suppress common-mode electromagnetic interference (EMI) in electronic circuits. By using magnetically coupled windings, it presents impedance to common-mode noise while allowing the intended differential-mode current to pass, subject to the component's electrical characteristics and circuit design.
Common-mode chokes are widely used in switching power supplies, industrial electronics, communication equipment, and other applications where electromagnetic compatibility (EMC) is an important design consideration. Their effectiveness depends on factors such as core material, winding configuration, impedance characteristics, operating frequency, parasitic capacitance, and the overall circuit layout.
HYL provides customized common-mode choke solutions to meet different electrical and mechanical requirements. Design parameters can be evaluated according to the required impedance, rated current, frequency range, insulation requirements, winding arrangement, SQ core specifications, and installation dimensions.
For OEMs and electronics manufacturers seeking a common-mode noise suppression component, HYL can assess project requirements based on circuit diagrams, EMI test results, technical drawings, or target specifications. Contact our team to discuss a customized SQ common-mode choke for your application.
Key Properties
Compared with round copper wire, flat copper wire delivers far superior overall performance. It supports greater current carrying capacity, with its current density reaching 1.5 to 2.0 times that of round wire, while its overall size is reduced by half to the full equivalent volume.
This material features low direct current resistance and ultra-low distributed capacitance, alongside premium heat dissipation efficiency.
Adopting enclosed magnetic loop structure, it achieves minimal magnetic flux leakage, steady impedance matching, as well as outstanding suppression performance on conducted radiation and EMI interference.
Manufactured by fully automatic winding process, it ensures consistent and reliable product quality. This processing method also cuts production costs greatly, shortens working cycles, improves operational efficiency and stabilizes finished product quality in practical use.
It is equipped with enhanced insulation property, effectively prolonging the whole service life of power equipment.
Series Solution:
SMD Series：
Applications
FAQ
Q: Who are we?
A: We are based in Guangdong, China, start from 2013,sell to Domestic Market(75.00%),Southeast Asia(10.00%),North America(5.00%),South America(5.00%),Eastern Europe(5.00%). There are total about 51-100 people in our office.
Q: How can we guarantee quality?
A: Always a pre-production sample before mass production;
Always final Inspection before shipment.
Q: What can you buy from us?
A: Inductor, Common mode choke, Wave filter, Coil, Choke.
Q: Why should you buy from us not from other suppliers?
A: Shenzhen haoyanlin Electronics Co., Ltd. is specialized in producing inductance coil, filter coil for 15 years. Inductance coil to provide customers with the use of the program. Commonly used models are in stock, and other models can also be provided according to your needs.
Q: What services can we provide?
A: Accepted Delivery Terms: EXW,CIP,CPT;
Accepted Payment Currency: USD,HKD,CNY;
Accepted Payment Type: T/T,PayPal;
Language Spoken: English,Chinese,Spanish,Japanese,Portuguese,German.
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