IEC connector filter

IEC Connector Filter 10A

Single-phase, 1-16A, 125/250VAC, 50/60Hz

IEC Connector Filter 16A

Single-phase, 1-16A, 125/250VAC, 50/60Hz

IEC Connector Filter 3A

Single-phase, 1-16A, 125/250VAC, 50/60Hz

IEC Connector Filter 6A

Single-phase, 1-16A, 125/250VAC, 50/60Hz

What Are IEC Connector Filters

IEC connector filters are electromagnetic interference (EMI) suppression modules integrated directly into standardized IEC power inlets (e.g., IEC 60320 C13/C14, C19/C20), designed to mitigate both conducted and radiated noise (10kHz–30MHz) in AC/DC power lines. These filters combine X/Y capacitors, common-mode chokes, and transient voltage suppression (TVS) components within compact, shielded housings, achieving insertion losses exceeding 40dB at 1MHz while adhering to IEC 60939-2 for passive filter components and IEC 60601-1 for medical safety. Key specifications include rated voltages (250VAC for single-phase, 480VAC for three-phase), leakage current limits (<0.75mA for IT equipment), and surge protection levels (up to 6kV/3kA per IEC 61000-4-5). Advanced variants incorporate wide-bandgap materials (e.g., silicon carbide diodes) to reduce losses in high-switching-frequency environments like server power supplies and renewable energy inverters.

What Are IEC Connector Filters Used For?

IEC connector filters serve as frontline defense against power-borne noise in globalized industrial and commercial ecosystems. In medical imaging systems such as MRI and CT scanners, they isolate high-frequency switching noise from gradient amplifiers, ensuring compliance with IEC 60601-1-2 electromagnetic immunity requirements. Industrial automation equipment integrates them into PLC cabinets and robotic controllers to suppress harmonics generated by variable frequency drives (VFDs) and servo motors, preventing data corruption in PROFIBUS and EtherCAT communication networks. Data centers deploy them in rack-mounted PDU (power distribution unit) systems to eliminate common-mode noise from server power supplies, reducing bit-error rates in hyperscale cloud infrastructure. Consumer electronics manufacturers utilize IEC filters in gaming PCs and AV equipment to meet FCC Part 15 and CE EMC directives, minimizing audible buzz in high-fidelity audio circuits. Electric vehicle charging stations embed ruggedized versions to filter PWM-controlled rectifier noise while withstanding IP65-rated outdoor environments.

Types of IEC Connector Filters

IEC connector filters are differentiated by application-specific certifications, form factors, and EMI suppression capabilities. Medical-Grade Filters (IEC 60601-1 compliant) feature reinforced double insulation (2×MOPP) and ultra-low leakage current (<0.1mA) for MRI machines and surgical robots, ensuring patient safety in BF/CF-type applied parts. Industrial Heavy-Duty Filters with IP67-rated stainless steel housings and 100A current ratings protect CNC machines and arc welding systems from arc-generated transients in metalworking plants. Military-Specification EMI Filters meet MIL-STD-461G RE102/CE102 requirements, incorporating hermetic sealing and EMP hardening for naval radar and airborne mission systems. Panel-Mount EMI/RFI Filters with integrated C14/C20 connectors and threaded locking mechanisms provide tool-free installation in telecom base stations and broadcast equipment. Customizable Modular Filters allow engineers to configure capacitor banks (X2/Y1 class) and choke core materials (nanocrystalline or ferrite) for bespoke applications like particle accelerator power supplies or satellite ground station UPS.