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EMI Filter

EMI filter is a device specially designed to suppress electromagnetic interference (EMI). It is mainly used in electronic circuits to reduce or eliminate the impact of electromagnetic interference by selectively passing or blocking signals of specific frequencies. EMI filter is usually composed of components such as inductors, capacitors and resistors, which work together to effectively filter out high-frequency noise and interference signals on power lines or signal lines. It is widely used in communication systems, power systems, medical equipment, industrial automation and automotive electronics to improve the electromagnetic compatibility of equipment and ensure the normal operation of equipment and the accuracy of data. EMI filter plays a vital role in the electromagnetic protection of electronic equipment and is an indispensable and important part of modern electronic equipment.

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VIIP VIP3‑31A‑10(B031Q0946) 3 Phase Insert‑style EMI Filter Electromagnetic Noise Suppression Inverter Input Power Filter CE RoHS Approved
VIP3‑31A‑10(B031Q0946) is an insert‑mount three‑phase EMI power filter developed for 380/480VAC industrial power systems, with 10A RMS rated current at 480VAC and 50/60Hz operating frequency. It provides excellent attenuation for both common‑mode and differential‑mode conducted interference under 50‑ohm test system. With maximum 5mA leakage current and high‑voltage withstand capability up to 2000VAC line‑to‑ground, this filter works reliably within ‑25℃~+100℃ wide temperature range. The compact insert‑type structure enables space‑saving cabinet‑panel installation. It effectively isolates high‑frequency noise between power grid and equipment, stabilizes power quality, prevents equipment misoperation caused by electromagnetic disturbance, and assists end‑products to meet EMC requirements. CE and RoHS compliant, this filter fits various industrial three‑phase equipment for overseas project application.
VIIP VIP3‑31A‑10(B031Q0946) Three Phase Insert Mount EMI Filter Power Quality Improvement Filter for Industrial Motor Control Equipment
VIP3‑31A‑10(B031Q0946) is an insert‑mount three‑phase EMI power filter developed for 380/480VAC industrial power systems, with 10A RMS rated current at 480VAC and 50/60Hz operating frequency. It provides excellent attenuation for both common‑mode and differential‑mode conducted interference under 50‑ohm test system. With maximum 5mA leakage current and high‑voltage withstand capability up to 2000VAC line‑to‑ground, this filter works reliably within ‑25℃~+100℃ wide temperature range. The compact insert‑type structure enables space‑saving cabinet‑panel installation. It effectively isolates high‑frequency noise between power grid and equipment, stabilizes power quality, prevents equipment misoperation caused by electromagnetic disturbance, and assists end‑products to meet EMC requirements. CE and RoHS compliant, this filter fits various industrial three‑phase equipment for overseas project application.
VIIP VIP3‑31A‑10(B031Q0946) Three‑Phase Insert Mount EMI Filter Harmonic Reduction Filter for VFD Frequency Converter 380V‑440V
VIP3‑31A‑10(B031Q0946) is an insert‑mount three‑phase EMI power filter developed for 380/480VAC industrial power systems, with 10A RMS rated current at 480VAC and 50/60Hz operating frequency. It provides excellent attenuation for both common‑mode and differential‑mode conducted interference under 50‑ohm test system. With maximum 5mA leakage current and high‑voltage withstand capability up to 2000VAC line‑to‑ground, this filter works reliably within ‑25℃~+100℃ wide temperature range. The compact insert‑type structure enables space‑saving cabinet‑panel installation. It effectively isolates high‑frequency noise between power grid and equipment, stabilizes power quality, prevents equipment misoperation caused by electromagnetic disturbance, and assists end‑products to meet EMC requirements. CE and RoHS compliant, this filter fits various industrial three‑phase equipment for overseas project application.
VIIP VIP3‑31A‑10(B031Q0946) 3‑Phase Insert EMC Power Filter Conducted Interference Suppression for Industrial Automation Control Cabinet
VIP3‑31A‑10(B031Q0946) is an insert‑mount three‑phase EMI power filter developed for 380/480VAC industrial power systems, with 10A RMS rated current at 480VAC and 50/60Hz operating frequency. It provides excellent attenuation for both common‑mode and differential‑mode conducted interference under 50‑ohm test system. With maximum 5mA leakage current and high‑voltage withstand capability up to 2000VAC line‑to‑ground, this filter works reliably within ‑25℃~+100℃ wide temperature range. The compact insert‑type structure enables space‑saving cabinet‑panel installation. It effectively isolates high‑frequency noise between power grid and equipment, stabilizes power quality, prevents equipment misoperation caused by electromagnetic disturbance, and assists end‑products to meet EMC requirements. CE and RoHS compliant, this filter fits various industrial three‑phase equipment for overseas project application.
VIIP VIP3‑31A‑10(B031Q0946) 3 Phase Insert Type EMI Power Filter RFI Suppression Filter for Servo Drive CE RoHS Certified
VIP3‑31A‑10(B031Q0946) is an insert‑mount three‑phase EMI power filter developed for 380/480VAC industrial power systems, with 10A RMS rated current at 480VAC and 50/60Hz operating frequency. It provides excellent attenuation for both common‑mode and differential‑mode conducted interference under 50‑ohm test system. With maximum 5mA leakage current and high‑voltage withstand capability up to 2000VAC line‑to‑ground, this filter works reliably within ‑25℃~+100℃ wide temperature range. The compact insert‑type structure enables space‑saving cabinet‑panel installation. It effectively isolates high‑frequency noise between power grid and equipment, stabilizes power quality, prevents equipment misoperation caused by electromagnetic disturbance, and assists end‑products to meet EMC requirements. CE and RoHS compliant, this filter fits various industrial three‑phase equipment for overseas project application.
VIIP VIP3‑31A‑30(B031SO378) Power Line Filter Electromagnetic Interference Suppressor For Industrial Automation Control System
VIP3‑31A‑30(B031SO378) is a professional industrial power EMI filter developed for complex industrial power supply environments. Built with mature composite filtering circuit architecture, this device targets conducted electromagnetic interference on AC power lines, delivering dual suppression for common‑mode and differential‑mode noise.
It effectively cleans power‑grid noise interference, stabilizes power supply quality for host equipment, and prevents equipment anomalies, signal disorder and intermittent failures induced by harsh electromagnetic field inside factory workshops. Adopting cabinet mounting structure, the filter features compact layout, solid mechanical structure and convenient installation, which adapts well to the limited inner space of electrical control cabinets.
10A Single Phase EMI Power Line Filter VIP4-1A-10 115/250VAC High Performance EMC Filter for Industrial Equipment
High Rated Current & Wide Voltage Range: Supports 115/250VAC wide voltage input with a rated current of up to 10A, meeting the power supply requirements of various industrial equipment.
Superior EMC Filtering Performance: Under a 50Ω system, the common mode insertion loss reaches up to 52dB at 30MHz, and the differential mode insertion loss reaches up to 61dB at 10MHz, effectively suppressing electromagnetic interference.
High Reliability & Safety: Passed rigorous dielectric withstanding voltage test (line-to-ground 2000VAC/1min) with insulation resistance exceeding 100MΩ, ensuring stable operation of equipment in complex electromagnetic environments.
Wide Operating Temperature Range: Operates stably in a wide temperature range from -25℃ to +100℃, suitable for demanding industrial application environments.
VIP4‑1A‑10(10247) Single Phase EMI Power Filter 10A 115/250VAC EMC Noise Suppression RoHS REACH Compliant
VIP4 1A 10(10247) is a high performance single phase EMI power filter manufactured by VIIP. With rated current of 10A and working voltage of 115 250VAC, this device effectively suppresses common mode and differential mode high frequency electromagnetic interference on AC power lines, stabilizes power input and protects sensitive electronic circuits from power noise disturbance. Made of qualified raw materials, the product meets RoHS and REACH standards for global export. It features compact structure and solder terminal connection for easy internal installation. This filter is widely applied in industrial automation equipment, testing instruments, control panels, household electronics and other single phase AC devices. It helps finished equipment improve anti interference performance and pass relevant EMC assessment, ensuring stable long term operation of complete machines.
VIP4-2B-10(B042Q0551) VIIP Single-Phase Noise Reduction Filter, High Efficiency EMC Filter Element Blocking Conducted of New Energy Control Devices
VIP4‑2B‑10 is a single‑phase EMI power filter rated at 10A, 115/250VAC, operating at 50/60Hz. Designed for suppressing conducted common‑mode and differential‑mode power‑line noise.
Max leakage current is 0.5mA@115VAC/60Hz and 1.0mA@250VAC/50Hz. It passes 2000VAC line‑to‑ground & 500VDC line‑to‑line hi‑pot test, with insulation resistance ≥100MΩ @500VDC. Working temperature ranges from ‑25℃ to +100℃.
Adopts two‑stage LC filtering circuit, delivers excellent insertion loss under 50‑ohm test system. Suitable for industrial automation, medical equipment, new‑energy and electronic devices to improve EMC performance.
VIIP VIP4-1A-03 3A Ultra Low Leakage EMI Filter for Medical Lab Instruments EMC Noise Filter-1786412719869312
Excellent insertion loss performance across low & high frequency bands: common mode up to 48dB, differential mode up to 65dB under 50Ω system, thoroughly filter high-frequency clutter generated by switching power supplies, chips and servo components
Simultaneously suppress common-mode interference and differential-mode interference, solve equipment screen flicker, sensor data drift, communication code error caused by messy mains electricity
Internal components fixed with special adhesive filling, anti-vibration and shock resistance, suitable for portable
Stable purified power supply ensures consistent and accurate test data for biochemical analyzers, optical detection instruments
VIIP VIP4-1A-03 3A Ultra Low Leakage EMI Filter for Medical Lab Instruments EMC Noise Filter
Excellent insertion loss performance across low & high frequency bands: common mode up to 48dB, differential mode up to 65dB under 50Ω system, thoroughly filter high-frequency clutter generated by switching power supplies, chips and servo components
Simultaneously suppress common-mode interference and differential-mode interference, solve equipment screen flicker, sensor data drift, communication code error caused by messy mains electricity
Internal components fixed with special adhesive filling, anti-vibration and shock resistance, suitable for portable
Stable purified power supply ensures consistent and accurate test data for biochemical analyzers, optical detection instruments
Export Ready VIIP VIP4-1B-20 20A 1Ph EMI Filter 115/250VAC RC-LC Dual Stage Anti-Interference for Medical & Automation
Effectively prevent sensor signal drift, screen flicker and communication code error
High-quality copper terminal pins, low contact resistance, no heating under heavy current
Flat thin outline, reserved wiring space, convenient internal cabinet wiring layout
Suppress servo/frequency converter high-frequency noise for automation production lines
frequency converter interference suppressor,medical electrical safety power filter,test data stabilization filter
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+86-19925448748
     +86-0755-29170376     
Shenzhen VIIP Electronics Co., Ltd. is a professional EMC service provider. Mainly focusing on the R & D, production and sales of EMC anti-interference components.
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2F building D Mao yuan industry area, Huan guan south road,

Guan hu street, Long hua district, Shenzhen city

Contact person: Vicky Lee

Tel: +86 19925448748

WhatsApp:86-18003057179

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