The RUILON 2R4500T-8 Gas Discharge Tube (GDT) is a high-voltage ceramic surge protection device designed to protect sensitive electronic circuits from extreme transient overvoltage conditions. With a DC spark-over voltage of 4500V, this GDT provides superior insulation strength and reliable breakdown control, making it ideal for primary surge protection in high-energy environments such as power distribution, telecommunications, and industrial systems.
Utilizing advanced gas discharge technology, the 2R4500T-8 delivers ultra-low capacitance and high insulation resistance, ensuring minimal impact on signal integrity in high-speed and communication line applications. It responds instantly to lightning strikes, switching surges, and electrostatic discharge, safely diverting excessive energy away from critical electronic components.
Compared with lower-voltage protection devices, this 4500V-rated GDT offers enhanced surge endurance, improved stability under repeated impulse stress, and reduced false triggering. Its robust ceramic construction ensures stable glow and arc voltage characteristics, long operational life, and excellent thermal and mechanical reliability.
The compact 2R-8 SMD package allows easy PCB integration in space-constrained designs while maintaining strong surge protection capability. The RUILON 2R4500T-8 is widely used in telecommunications equipment, industrial control systems, power supplies, smart grid infrastructure, and outdoor electronic systems where high-voltage robustness and long-term reliability are essential.
Key Features:
- High DC spark-over voltage: 4500V
- Excellent surge current handling (8/20µS waveform)
- Ultra-low capacitance for signal integrity protection
- High insulation resistance for improved electrical safety
- Fast response to lightning and transient surges
- Long service life under repeated surge events
- Stable glow and arc voltage performance
- Compact ceramic sealed 2R-8 SMD package
- Strong thermal stability and mechanical durability
Applications:
- Telecommunications and network line protection
- Industrial automation and control systems
- Power supply surge protection circuits
- Smart grid and energy metering systems
- Outdoor and harsh-environment electronics
- Data communication and signal transmission lines
- Lightning protection modules
- Consumer and industrial electronic equipment
