Single-phase EMI filter effectively suppresses electromagnetic interference and noise into and out of equipment power lines to meet susceptibility standards for commercial and military emissions. Common household appliances, such as microwaves, electric blankets, and laptops, can generate EMI that disrupts sensitive consumer electronics; this filter helps protect such devices from interference.
DOREXS offers a wide range of standard and custom single phase EMI filter for a wide range of voltages and currents. The filter is designed to protect a wide range of devices, including microprocessors, motors, and medical equipment, from electromagnetic interference. DOREXS also offers EMC filters for comprehensive electromagnetic compatibility solutions. The filter is effective against both EMI and RFI, reducing noise and protecting sensitive equipment. Able to provide reasonable customized services according to customer needs. The filter can be housed within electronic systems or equipment to meet specific performance requirements. Identifying and mitigating interference sources, such as industrial equipment or environmental factors, ensures optimal filter performance.
DOREXS produces both standard and custom EMI filters to meet diverse industry needs. The filters are manufactured using high-quality components and strict quality control processes. Filters are in stock and available for immediate delivery. After-sales support and services are provided to customers.
DOREXS‘ Single Phase EMI Power Line Filters deliver industry leading performance by utilizing innovations in materials and design to ensure compliance with the most stringent limits and requirements. And, our class-leading compact size saves space for all equipment types. Our EMI filters are designed in single-stage and multi-stage configurations according to international safety standards, DOREXS delivered the right solution on time and within budget. Escort for EMC testing of products.
Product Details
| Product Name: | DBA3 Bolt Link EMI Filter | Temperature Range: | -25℃~85℃ |
| Rated Current: | 1A-20A | Withstand Test Voltage: | 1750VAC |
| Rated Voltage: | 110VAC-250VAC | Fire Resistance： | UL 94V-0 |
| Working Frequency: | 50/60HZ | Certification： | cUL,CE,CQC,ROHS |
| Function: | Line filter for power lines and electronic devices | Technical Specifications: | Voltage, current, attenuation, and certifications are provided; contact us for detailed specifications. |
Overall Dimension（±1mm) |
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Insertion loss -(common mode) |
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DBA3-1A/DBA3-3A | DBA3-6A/DBA3-10A |
Featured and Benefits
DBA3 Filters are Designed for Quick and Easy Installation
High Differential and Common Mode Attenuation
Very Low Leakage Current
Insert and Bolt Two Installation Methods
Chokes with High Permeability Core Material and Excellent Thermal Performance
All EMI Filters Provide Excellent Conduction Attenuation
The performance of custom single phase EMI filters is guaranteed for reliability and long-term operation.
The filter ensures devices operate reliably even in environments with high electromagnetic interference.
Application Field
Electric power system
Electronic equipment
Various disinfection and purification equipment
Laser cutting equipment
Autonomous robots and so on
Motors and household appliances that produce EMI can also benefit from the filter.
DOREXS provides a wide variety of EMI/EMC filter options, standardized and customized electromagnetic interference solutions. Provide customers with comprehensive engineering technical support.
Introduction to EMI Filters
EMI (Electromagnetic Interference) filters are essential components in modern electronic systems, designed to minimize electromagnetic interference and ensure electromagnetic compatibility across a wide range of equipment. Whether in medical equipment, military equipment, or industrial equipment, EMI filters play a critical role in maintaining compliance with stringent EMC regulations and standards. By attenuating unwanted noise and interference on power lines, these filters protect sensitive electronic equipment and ensure reliable operation. Custom EMI filters are engineered to address specific application requirements, offering tailored solutions for unique environments and performance needs. Single phase EMI filters are particularly important in single phase power systems, where they suppress phase EMI and prevent interference from affecting connected devices. High performance EMI filters are indispensable in applications where equipment reliability, compliance, and noise reduction are paramount, making them a cornerstone of robust electronic and industrial systems.
Types of EMI Filters and Applications
EMI filters come in several types to address the diverse needs of electronic devices and systems. Single phase EMI filters are widely used in medical devices, consumer electronics, and industrial equipment, providing effective suppression of noise and interference in single phase power applications. For higher power requirements, three phase EMI filters are utilized in industrial and commercial settings, such as motor drives and power generation systems. Custom EMI filters are developed to meet specialized requirements, including high frequency noise suppression, enhanced common mode attenuation, and minimal leakage current, ensuring optimal performance in demanding environments. These filters are integral to a broad range of applications, from power supplies and electronic devices to aerospace and medical applications, where accurate operation and regulatory compliance are critical. In medical applications, such as imaging and patient monitoring, EMI filters help maintain signal integrity and patient safety. Industrial applications rely on EMI filters to protect equipment, reduce downtime, and ensure compliance with international regulations, making them a vital component in the design of modern electronic and industrial systems.
Power Line Considerations
Selecting the right EMI filter for power line applications requires careful evaluation of several key factors. The frequency range, current ratings, and voltage requirements must align with the specific conditions of the power line to ensure effective noise suppression and reliable performance. Common mode attenuation and differential mode attenuation are crucial parameters, as they determine the filter’s ability to block unwanted interference and maintain signal integrity. Terminal blocks and line filters are essential for secure and efficient connection of the EMI filter to the power line, supporting stable operation and ease of installation. Additionally, the design and manufacture of power line filters must adhere to relevant regulations, such as CE and EMC standards, to guarantee safety and compliance. By considering these factors, engineers can select EMI filters that deliver optimal attenuation, protect sensitive equipment, and ensure uninterrupted operation in a wide range of industrial and commercial environments.
Design and Manufacturing
The design and manufacturing of EMI filters demand a meticulous approach to ensure high performance, reliability, and compliance with industry standards. Leading manufacturers like Captor Corporation specialize in custom EMI filters, offering tailored solutions that address specific frequency ranges, current ratings, and voltage requirements. The manufacturing process involves the use of premium components, such as high-quality capacitors and inductors, and rigorous testing to guarantee consistent performance and durability. Custom EMI filters can be a cost-effective choice for applications with unique requirements, providing targeted attenuation and compliance without unnecessary expense. The price of an EMI filter is influenced by its design complexity, manufacturing process, and application demands, but investing in quality filters ensures long-term reliability and regulatory compliance. Companies like Premier Filters offer a comprehensive range of standard and custom EMI filters, delivering high performance and dependable service for a variety of applications, from industrial automation to sensitive medical and aerospace equipment.
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