The S558-5999-E4 is a power entry module manufactured by Bel Fuse Inc., designed for applications requiring reliable power input with integrated filtering. Similar to other models in the S558-5999 series, the -E4 variant combines an IEC inlet, fuse holder, and EMI/RFI filter into a single, compact unit. This integration simplifies design and assembly, while providing effective protection against electromagnetic and radio frequency interference. The S558-5999-E4 is suitable for a range of electronic devices and equipment that demand clean and stable power.

Applications

• Industrial Automation: Used in control panels, programmable logic controllers (PLCs), and other automation equipment to ensure reliable operation in noisy industrial environments.
• Telecommunications Equipment: Integrated into base stations, routers, and other telecom devices to filter incoming power and protect sensitive communication circuits.
• Power Supplies: Employed in various types of power supplies to improve performance and reduce noise.
• Laboratory Equipment: Used in precision instruments and laboratory devices to minimize electrical interference and ensure accurate measurements.
• Audio/Visual Equipment: Found in high-end audio amplifiers, video processors, and other A/V equipment to improve sound and picture quality by reducing noise.

Features

• Integrated Functionality: Combines IEC inlet, fuse holder, and EMI/RFI filter.
• EMI/RFI Suppression: Provides effective filtering to minimize electromagnetic and radio frequency interference.
• Compact Footprint: Space-saving design for easy integration into various equipment.
• Through-Hole Mount: Designed for easy PCB mounting using through-hole soldering.
• Fuse Protection: Built-in fuse holder for overcurrent protection.

Benefits

• Enhanced System Performance: Filtering capabilities reduce noise and interference, leading to improved performance and reliability.
• Simplified Assembly: Integrated design reduces component count and simplifies assembly processes.
• Reduced Costs: Lower component count and simplified assembly can lead to reduced manufacturing costs.
• Improved Safety: Integrated fuse holder provides overcurrent protection, enhancing safety.
• Compliance: Helps equipment meet regulatory requirements for EMI/RFI emissions.

Additional Details

The S558-5999-E4 is built to meet applicable international safety standards. Key specifications, such as voltage and current ratings, insertion loss, and leakage current, are detailed in the product datasheet available from Bel Fuse Inc. The operating temperature range ensures suitability for a wide range of applications. The module’s fuse holder is designed to accommodate standard fuse sizes for easy replacement. The filter characteristics are optimized for common-mode and differential-mode noise suppression.