The 2RS-6×4.2 series is a surface mount gas discharge tube designed to provide reliable overvoltage protection for transient voltage surge suppression. The series provides multiple DC breakdown voltages from 75V to 1000V with a tolerance of ±20%, and the corresponding 1kV/μs impulse spark overvoltage range is 600V to 1800V, ensuring accurate triggering of protection action. The device has an ultra-low capacitance of ≤1pF, which minimizes the impact on high-speed signal transmission such as broadband and communication lines, while providing a high insulation resistance of typically ≥10 GΩ to maintain low leakage current. Its core advantage is that it can withstand pulse discharge currents of up to 5kA under 8/20μs waveforms, of which the 2R1000S-6X4.2 model is 3kA.
It complies with ITU-T K.12 standard requirements and can effectively handle severe surge events. It supports an operating temperature range of -40℃ to +90℃ and is widely used in surge protection of communication equipment, cable modems, broadband CATV coaxial protectors, power lines and data ports. The 2RS-6×4.2 series adopts a compact 6mm × 4.2mm surface mount package.