Your Leading Data Line EMI Filters Supplier
Magsonder Innovation (Jiangsu) Co., Ltd. is a Shanghai-based manufacturer specializing in high-quality power inductors and transformers for power electronics applications. We have many types of inductors, including CD power inductors, magnetically shielded chokes, CDRH-R magnetically shielded inductor, molded inductors, data line EMI filters, DPI flat wire chip inductor, KLF SMD common mode chokes, magnetically shielded inductors, MBS drum core SMD inductors, NR inductors, RLF common mode chokes and SPI power inductors. They resist changes in current, making them vital for everything from noise suppression to energy transfer.
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0805 InductorsThe DLF2012 Series is a miniature, wire-wound SMD Data Line EMI Filter. It is designed with a compact 2.0 mm × 1.2 mm footprint and a low 1.2mm profile, making it ideal for noise suppression on -
![1812 Inductors]()
1812 InductorsThe DLF4532 Series is a high-performance, wire-wound SMD Data Line EMI Filter. It is designed in a robust 4.5 mm × 3.2 mm package, specifically engineered for demanding EMI suppression tasks that
Why Choose Us?
Rich Experience
Our management team brings over ten years of industry experience, with core members from leading power electronics companies, ensuring strong technical judgment and stable operational management.
Professional Team
With 160 skilled employees, modern production facilities, and lean manufacturing processes, we maintain efficient production, controlled lead times, and consistent product performance.
High Productivity
Our factory supports a monthly output of 30–40 million units, enabling stable supply for large-volume orders, long-term programs, and fast response to market demand.
Quality Control
We hold more than 30 domestic and international patents, including 10 authorized invention patents, and operate under ISO9001 and ISO14000 systems to ensure consistent quality and environmental compliance.
1812 Inductors
The DLF4532 Series is a high-performance, wire-wound SMD Data Line EMI Filter. It is designed in a robust 4.5 mm × 3.2 mm package, specifically engineered for demanding EMI suppression tasks that require significantly higher impedance and inductance values.
0805 Inductors
The DLF2012 Series is a miniature, wire-wound SMD Data Line EMI Filter. It is designed with a compact 2.0 mm × 1.2 mm footprint and a low 1.2mm profile, making it ideal for noise suppression on high-speed differential signal lines in space-constrained applications.
Specifications of Data Line EMI Filters
|
Part No. |
Impedance (Z) (Ω) @100MHz |
Rated Current (Idc) (mA) MAX. |
Rated Voltage (V) (DC) |
Withstanding Voltage (V) (DC) |
DC Resistance (R) (Ω) MAX. |
Insulation Resistance (IR) (MΩ) MIN. |
|
DLF2012-670-A40 |
67 |
400 |
50 |
125 |
0.25 |
10 |
|
DLF2012-900-A33 |
90 |
330 |
50 |
125 |
0.35 |
10 |
|
DLF2012-121-A37 |
120 |
370 |
50 |
125 |
0.3 |
10 |
|
DLF2012-181-A33 |
180 |
330 |
50 |
125 |
0.35 |
10 |
|
DLF2012-261-A30 |
260 |
300 |
50 |
125 |
0.4 |
10 |
|
DLF2012-361-A28 |
360 |
280 |
50 |
125 |
0.45 |
10 |
Product related videos
• Requires less PCB space compared to equivalent discrete solutions
• Increases application robustness against electrostatic discharges and EMI / common-mode noise.
• Offers a wider frequency range rejection thanks to a lower parasitic inductance compared with discrete solutions.
• Improved design flexibility as the filter's resonant frequency is not modified when designers need to slightly change the PCB layout (unlike with discrete solutions).
• EMI filters are available in first order (R-C) or second order (L-C)
Ordering Process
Send Us Inquiry → Receive Our Quotation → Negotiate Details → Confirm the Sample → Sign Contract/Deposit → Mass Production →cargo Ready → Balance/Delivery → Further Cooperation
Customization Options
Materials: Core material selection, winding type, insulation class
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Electrical Specifications: Inductance value, rated current, saturation current, DC resistance
2
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Structure: Customizable
3
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Size: Customizable
4
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Package: Available in SMD and through-hole packages
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Usage Tips of Data Line EMI Filters
Identify the Noise Sources: Conduct a thorough analysis to identify the sources of EMI in your system. Understanding the frequency ranges and characteristics of the noise will help in selecting the appropriate filter type and design.
Select the Right Components: Choose high-quality components with suitable specifications for your application. Consider factors such as inductance, capacitance, voltage rating, and current rating to ensure optimal performance and reliability.
Proper Placement: Place EMI filters as close as possible to the noise source or the point where interference is introduced. This minimizes the length of the conductive path and reduces the likelihood of noise coupling into other parts of the circuit.
Minimize Parasitics: Parasitic inductance and capacitance can degrade the performance of EMI filters. Minimize parasitics by using short, low-inductance connections and avoiding unnecessary bends and loops in the PCB layout.
Use Shielding: In addition to filtering, consider using shielding to further reduce EMI. Shielded enclosures, cables, and connectors can help block external electromagnetic fields and prevent noise from radiating into or out of the system.
Test and Validate: Conduct thorough testing to validate the performance of the EMI filters. Use tools such as spectrum analyzers and network analyzers to measure the effectiveness of the filters in attenuating unwanted noise. Make necessary adjustments based on the test results to achieve optimal performance.
Applications of Data Line EMI Filters
Appliances and washing machines
White goods EMI filters suppress electromagnetic noise for a variety of home appliances from washing machines to treadmills. These filters ensure devices meet electromagnetic compatibility regulations and help protect them from EMI damage that can impact their performance.
Single-phase
Single-phase EMI filters are effective for smaller equipment, such as home appliances and electronics, as well as industrial applications, such as food service equipment, power supplies, and telecommunications. A single-phase EMI filter can also be compatible with fitness equipment and motor controls.
Three-phase
For more stringent EMI suppression, three-phase EMI filters can block higher levels of noise through a three-stage filtering system. Three-phase EMI filters are for use in high-power applications such as industrial machinery and motors, medical equipment, test equipment, and industrial tools.
Military
EMI filters for military applications specifically meet regulations and compliance standards for EMC of military devices. These reliable EMI filters protect against damage to aerospace and military communication systems for secure operations. EMI filters designed for HEMP protection are also available to protect against EMI threats.
Medical-grade EMI filters
Medical-grade EMI filters meet current requirements for medical applications and protect sensitive medical equipment from damage. EMI filters for MRI rooms are purpose-built to create a secure test chamber free of EMI from lighting, intercoms, and other sources of outside noise. Effective and reliable EMI filters for medical applications can be life-saving protection against electromagnetic noise interference.
Payment Terms
T.T with 30% downpayment, 70%before shipment.
Paypal or West Union also accept.
Packing & Transportation
|
Packaging |
Protective film, cardboard box, wooden crate |
|
Shipping |
By logistics; by shipping; by air. |
We're well-known as one of the leading data line emi filters manufacturers and suppliers in China. Please feel free to buy cheap data line emi filters in stock here from our factory. Quality products and reasonable price are available.
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