Littelfuse SL1021A230R

Gas discharge tube circuit protection devices safely dissipate surge energy within a sealed plasma gas. Typically used to help protect sensitive telecommunications and networking equipment and lines from damage caused by lightning strikes and equipment switching operations. The SL1021A/B series gas discharge tubes are designed to provide high-performance protection against fast-rising transients in the range of 100V/μS to 1KV/μS, most likely generated by induced lightning strike interference. These devices feature ultra-low capacitance (typically 1.5pF or lower) and are extremely robust — SL1021A devices can shunt 10,000-ampere pulses without damage, while SL1021B suffix devices can shunt 20,000-ampere pulses without damage. The series offers an optimized internal geometry for low insertion loss at high frequencies, making it ideal for protecting broadband and other high-speed transmission equipment.

• RoHS compliant
• Low insertion loss
• Excellent response to fast rising transients
• Ultra-low capacitance
• 10KA (A-suffix devices) / 20KA (B-suffix devices) surge capability per IEC 61000-4-5 8/20μs pulse test
• Optional thermal failure protection (add 'F' suffix to part number)

• Broadband equipment
• ADSL equipment
• XDSL equipment
• Satellite and CATV equipment
• Telecom network interfaces