The 3R470SB-8S Gas Discharge Tube (GDT) from RUILON is a high-reliability ceramic surge protection device designed to safeguard electronic systems from transient overvoltage events such as lightning strikes and switching surges. Featuring a 470V DC spark-over voltage, this component is optimized for medium- to high-voltage applications requiring stable, fast, and efficient surge suppression.
Using advanced gas discharge technology, the 3R470SB-8S provides 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 robust design supports high impulse discharge current (8/20µs waveform) for effective energy absorption and long operational life.
Compared to lower voltage variants, the 470V model reduces unwanted triggering in higher operating voltage environments while maintaining strong surge protection performance. The compact 3RB-8S package allows efficient PCB integration and reliable operation in space-constrained designs.
This GDT is widely used in telecommunications systems, power supplies, industrial automation, signal line protection, and surge protection devices (SPD), ensuring stable and long-lasting circuit protection.
Key Features:
- 470V DC spark-over voltage for stable surge protection
- High 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
