DOREXS Single Phase EMI Filters | High Performance EMI Solutions
author: DOREXS
2023-12-04
DOREXS single-phase EMI filters are widely used in industrial control, household appliances, medical equipment, communication systems and other fields, with excellent common-mode and differential-mode interference suppression capabilities. They support standard models and customer customization services, meet current requirements from 1A to 200A or even higher, and are an ideal choice for improving the electromagnetic compatibility (EMC) of equipment.
This series of single phase filters has a variety of connection methods: wire connection, IEC plug connection, bolt connection, terminal block connection, rail connection, PIN connection, etc., and can be quickly and easily installed in the housing.
Our single-phase EMI filters have obtained UL, CE, and ROHS certifications, allowing your electronic and electrical products to comply with national and international EMC standards.
This series of single phase filters has a variety of connection methods: wire connection, IEC plug connection, bolt connection, terminal block connection, rail connection, PIN connection, etc., and can be quickly and easily installed in the housing.
Our single-phase EMI filters have obtained UL, CE, and ROHS certifications, allowing your electronic and electrical products to comply with national and international EMC standards.
Single-phase universal EMI filter
 DAA1-Insert
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 DAA2-Insert
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 DAA2-Line
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 DBA3-Bolt
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 DBA3-Insert
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 DBA4-Insert
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 DBA4-Bolt
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 DBA4-Y
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 DBA7
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Single-phase high-performance EMI filter
 DEA4-Bolt
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 DEA4-Terminal Block
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 DEA4-Insert
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 DEA4-Guide Rail
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 DEA5
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 DEB1
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IEC Inlet Filter
 DAI1
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 DAI2
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 DBI5
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 DBI5-S
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 DBI5-S-2
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 DBI6
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PCB filter
 DAP1
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 DAP2
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 DAP3
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Product Advantages
✅ Multiple specifications available, current covers 1A~100A, customizable to 200A
✅ High-performance EMI suppression, in compliance with EN55011/22, FCC standards
✅ Low leakage current design, suitable for medical equipment
✅ Rugged packaging, suitable for harsh industrial environments
✅ Support OEM / ODM customization
✅ High-performance EMI suppression, in compliance with EN55011/22, FCC standards
✅ Low leakage current design, suitable for medical equipment
✅ Rugged packaging, suitable for harsh industrial environments
✅ Support OEM / ODM customization
Support Personalized Customization Services
We provide customized services based on project requirements, including in-depth customization of input/output terminal types, filtering performance, structural dimensions, current range, packaging form, etc., to ensure that the product perfectly matches the EMI control requirements of customer equipment.
Single-phase vs. three-phase EMI filter comparison
| Comparison items | Single-phase EMI filter | Three-phase EMI filter |
| Applicable power supply type | Single-phase power supply (AC 110V/220V) | Three-phase power supply (AC 380V and above) |
| Typical application scenarios | Small household appliances, medical equipment, communication equipment, office equipment, etc. | Industrial automation equipment, elevators, inverters, servo systems, etc. |
| Current carrying range | 1A~100A (customizable) | 3A~300A (customizable) |
| Structural complexity | Simple structure, small size | Multi-line input and output, relatively complex structure |
| Installation method | Screw or pin installation | Screw or rail installation |
| Whether customization is supported | Support (current, package, wiring form, etc.) | Support (current, package, wiring form, etc.) |
| Common certification standards | UL, CE, RoHS, REACH, etc. | UL, CE, RoHS, REACH, etc. |
? Tips:
If your device is a single-phase powered household appliance or portable electronic device, please choose a single-phase EMI filter.
If your device is a single-phase powered household appliance or portable electronic device, please choose a single-phase EMI filter.
If your system is a three-phase industrial power supply (such as motor drive, variable frequency control system), please select a three-phase EMI filter.
If you need technical selection support, product samples or customized solution quotes, please contact us. We will arrange engineers to provide you with one-on-one service.
Single phase EMI filters are essential components in reducing electromagnetic interference in various electrical systems. These high performance single phase filters are particularly effective in single-phase motor drives and power line applications, offering superior noise reduction and efficiency. They are crucial for systems that need to comply with stringent noise limits and require efficient filtration of electromagnetic interference. By integrating these filters, both industrial and household settings can achieve better performance and reliability.
Introduction EMI
Electromagnetic interference (EMI) is a significant concern in various electrical systems, including industrial equipment, medical devices, and consumer electronics. High frequency electrical noise can disrupt the functioning of these systems, leading to reduced performance, safety risks, and equipment damage. To suppress electromagnetic interference, single phase filters are designed to protect against conducted and radiated interference. These filters are crucial for ensuring electromagnetic compatibility (EMC) in various applications, including renewable energy systems, machine tools, and medical equipment. By incorporating single phase filters, manufacturers can enhance the reliability and performance of their products, ensuring they operate smoothly in environments with potential EMI challenges.
Electromagnetic Compatibility Solutions
Electromagnetic compatibility (EMC) solutions are essential for preventing electromagnetic interference (EMI) and ensuring the reliable operation of electrical systems. Single phase EMI filters are designed to provide high performance and low leakage current, making them ideal for use in industrial equipment, medical devices, and consumer electronics. These filters are rated for specific current and voltage ranges, ensuring compliance with regulations and standards. By incorporating single phase EMI filters into electrical systems, manufacturers can ensure compliance with EMC regulations, reduce the risk of equipment damage, and improve overall system reliability. This proactive approach to EMC not only protects sensitive equipment but also enhances the longevity and efficiency of electrical systems across various industries.
Power Line Protection
Power line protection is critical for preventing damage to electrical equipment and ensuring the reliable operation of electrical systems. Power line filters are designed to suppress electromagnetic interference (EMI) and protect against voltage spikes and surges. These filters are available in various configurations, including single stage and multi-stage designs, and are rated for specific current and voltage ranges. By installing power line filters, manufacturers can ensure the safe and reliable operation of electrical equipment, reduce the risk of equipment damage, and improve overall system performance. This layer of protection is vital for maintaining the integrity of power lines and ensuring that connected devices function optimally without interruptions or failures.
EMI RFI Reduction
EMI RFI reduction is essential for ensuring the reliable operation of electrical systems and preventing equipment damage. Single phase EMI filters are designed to reduce electromagnetic interference (EMI) and radio frequency interference (RFI) in electrical systems. These filters are available in various configurations, including common mode and differential mode designs, and are rated for specific frequency ranges. By incorporating single phase EMI filters into electrical systems, manufacturers can reduce the risk of equipment damage, improve system reliability, and ensure compliance with EMC regulations. This comprehensive approach to EMI RFI reduction helps maintain the performance and safety of electrical systems in diverse applications.
High Performance Applications
High performance applications, such as industrial equipment and medical devices, require specialized EMI filters to ensure reliable operation. Single phase high performance filters are designed to provide high attenuation and low leakage current, making them ideal for use in these applications. These filters are rated for specific current and voltage ranges and are designed to operate in harsh environments. By incorporating single phase high performance filters into electrical systems, manufacturers can ensure the reliable operation of equipment, reduce the risk of equipment damage, and improve overall system performance. These high performance filters are crucial for applications where precision and reliability are paramount, ensuring that critical systems function without disruption.
Advantages of single phase filters
Single-phase filter is a key component widely used in the electronics industry. Its advantages are reflected in the following aspects:
1. Efficiently filter electromagnetic interference: Single-phase filters are designed to effectively reduce electromagnetic interference in power lines, such as high-frequency noise, common mode noise, and differential mode noise. Through its excellent filtering performance, single-phase filters can ensure stable and reliable power supply and provide strong protection for protected electronic equipment.
2. Enhance the stability and reliability of electronic equipment: Since the single-phase filter can effectively reduce the negative impact of electromagnetic interference on electronic equipment, it can significantly improve the stability and reliability of the equipment. Using single-phase filters to protect electronic systems helps achieve safer and more stable system operation.
3. Convenient installation and simple use: The single-phase filter has a compact structure, is easy to install, and has good stability and durability. Users can install it directly on the power line without negatively affecting the equipment. This simple and direct design makes it more convenient and practical in practical applications. The filters are designed for fast installation, making them an efficient solution for various applications.
4. Lightweight and small space occupation: Single-phase filters are small in size, light in weight, and occupy limited space. They are suitable for electronic equipment and home appliances of all sizes. This means that single-phase filters can provide excellent filtering effects without increasing the size and weight of the equipment, bringing better performance to modern electronic products.
To sum up, single-phase filters have significant advantages in reducing electromagnetic interference and improving the stability and reliability of electronic equipment. Its simple design and excellent performance make it widely used in electronic products, providing consumers with a more stable and reliable product experience.
1. Efficiently filter electromagnetic interference: Single-phase filters are designed to effectively reduce electromagnetic interference in power lines, such as high-frequency noise, common mode noise, and differential mode noise. Through its excellent filtering performance, single-phase filters can ensure stable and reliable power supply and provide strong protection for protected electronic equipment.
2. Enhance the stability and reliability of electronic equipment: Since the single-phase filter can effectively reduce the negative impact of electromagnetic interference on electronic equipment, it can significantly improve the stability and reliability of the equipment. Using single-phase filters to protect electronic systems helps achieve safer and more stable system operation.
3. Convenient installation and simple use: The single-phase filter has a compact structure, is easy to install, and has good stability and durability. Users can install it directly on the power line without negatively affecting the equipment. This simple and direct design makes it more convenient and practical in practical applications. The filters are designed for fast installation, making them an efficient solution for various applications.
4. Lightweight and small space occupation: Single-phase filters are small in size, light in weight, and occupy limited space. They are suitable for electronic equipment and home appliances of all sizes. This means that single-phase filters can provide excellent filtering effects without increasing the size and weight of the equipment, bringing better performance to modern electronic products.
To sum up, single-phase filters have significant advantages in reducing electromagnetic interference and improving the stability and reliability of electronic equipment. Its simple design and excellent performance make it widely used in electronic products, providing consumers with a more stable and reliable product experience.
Application scope of single-phase filter
Single-phase filters have a wide range of applications, covering many fields and industries. Here are some typical application examples:
1. Electronic equipment: computers, printers, scanners, monitors and other electronic equipment.
2. Household appliances: Household appliances such as air conditioners, refrigerators, washing machines, TVs, etc.
3. Communication equipment: wireless routers, transmission lines, base stations, switches and other communication equipment.
4. Industrial equipment: servo motors, PLC controllers, CNC machine tools and other industrial equipment.
5. Medical equipment: Medical equipment such as electrocardiograph, ultrasound equipment, CT and MRI.
6. Renewable energy: key components such as inverters and controllers in solar power generation, wind power generation and other systems.
7. Electric vehicles and charging facilities: control circuits and other sensitive components in electric vehicle charging piles and battery management systems. Some series of these filters are general purpose, designed for 120/240 VAC devices, providing high performance and effective attenuation for RF interference.
1. Electronic equipment: computers, printers, scanners, monitors and other electronic equipment.
2. Household appliances: Household appliances such as air conditioners, refrigerators, washing machines, TVs, etc.
3. Communication equipment: wireless routers, transmission lines, base stations, switches and other communication equipment.
4. Industrial equipment: servo motors, PLC controllers, CNC machine tools and other industrial equipment.
5. Medical equipment: Medical equipment such as electrocardiograph, ultrasound equipment, CT and MRI.
6. Renewable energy: key components such as inverters and controllers in solar power generation, wind power generation and other systems.
7. Electric vehicles and charging facilities: control circuits and other sensitive components in electric vehicle charging piles and battery management systems. Some series of these filters are general purpose, designed for 120/240 VAC devices, providing high performance and effective attenuation for RF interference.
FAQ
1. What is the function of EMI filter?
EMI filter (electromagnetic interference filter) is mainly used to suppress the electromagnetic interference signals generated or received by electrical equipment during operation, and improve the electromagnetic compatibility (EMC) of the equipment. It helps to avoid mutual interference between equipment, ensure stable operation of the system, and comply with international electromagnetic interference standards (such as EN55011, FCC Part 15, etc.).
2. How to choose a suitable single-phase EMI filter?
When selecting, it is necessary to match according to the following key parameters:
- Operating voltage and current (for example, 250V/10A)
- Equipment operating frequency range and interference type (common mode or differential mode)
- Required insertion loss performance
- Is low leakage current required (such as for medical equipment)
- Installation space and interface form
If you are not sure about the parameters, please contact our engineering team for selection suggestions.
3. Can you provide UL certification report?
Yes. Most of DOREXS's single-phase EMI filter models have passed international certifications such as UL, CE, RoHS, etc. We can provide corresponding certification certificates and test report copies according to your model requirements to meet procurement and quality audit needs.
4. Is fast delivery supported?
Yes. We have a certain inventory of conventional models and have flexible production line deployment capabilities. We can arrange expedited delivery according to the urgency of the project. Customized models are usually delivered within 7 to 15 working days after confirming the drawings. Please contact our sales team for details about the delivery cycle.
DOREXS EMI Filters – Professional EMI Solutions
DOREXS Three-Phase EMI Filters | EMI Solutions for Industrial and High Power Equipment
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