The 3R600SB-8S Gas Discharge Tube (GDT) from RUILON is a high-performance ceramic surge protection device designed to protect sensitive electronic systems from transient overvoltage events such as lightning strikes and switching surges. Featuring a 600V DC spark-over voltage, this component is suitable for high-voltage applications requiring stable and reliable surge suppression performance.
Built with advanced gas discharge technology, the 3R600SB-8S delivers stable impulse spark-over voltage at 1KV/µs, along with high insulation resistance and low capacitance at 1 MHz, ensuring minimal signal distortion in communication and control circuits. Its strong capability to withstand high impulse discharge current (8/20µs waveform) ensures efficient energy absorption and long service life.
Compared to lower voltage GDT variants, the 600V model offers improved resistance to false triggering in high-voltage environments while maintaining consistent and reliable protection performance. The compact 3RB-8S package supports efficient PCB layout and stable operation in space-constrained applications.
This GDT is widely used in telecommunications equipment, power supplies, industrial automation systems, signal line protection, and surge protection devices (SPD), delivering consistent and long-lasting circuit protection.
Key Features:
- 600V DC spark-over voltage for high-voltage protection
- Stable impulse spark-over performance (1KV/µs)
- High surge current capability (8/20µs waveform)
- Low capacitance for signal integrity
- High insulation resistance and reliability
- Compact 3RB-8S package for efficient PCB design
- Long service life with strong surge endurance
Applications:
- Telecom and networking equipment
- Power supply and adapter protection
- Industrial automation systems
- Signal and data line protection
- Surge protection devices (SPD)
- Consumer and communication electronics
