The 2R450SK-8 SMD Gas Discharge Tube (GDT) from RUILON is a high-voltage surge protection device designed to provide robust and reliable protection against transient overvoltage events such as lightning strikes, switching surges, and electrical disturbances. Utilizing advanced ceramic gas discharge technology, this component delivers ultra-fast switching performance by transitioning from a high-resistance state to a low-impedance conduction path when voltage thresholds are exceeded.
With a nominal spark-over voltage of approximately 450V, the 2R450SK-8 is ideal for applications requiring higher voltage protection compared to lower-rated GDT devices. It features high insulation resistance and ultra-low capacitance, ensuring minimal interference in high-frequency signal transmission and maintaining signal integrity in communication systems.
Engineered for durability, the device supports high impulse discharge current capability (8/20 µs waveform) and offers excellent resistance to repetitive surge events, ensuring long operational life. Its stable glow and arc voltage characteristics contribute to consistent performance in demanding electrical environments.
The compact SMD package design enables easy integration into modern PCB layouts and supports automated SMT assembly processes, making it suitable for high-density electronic designs. Compared to lower voltage variants, the 2R450SK-8 provides enhanced surge handling capacity and improved system reliability.
Key Specifications
- Part Number: 2R450SK-8
- Type: Ceramic Gas Discharge Tube (GDT)
- Package: SMD Series
- Nominal Spark-over Voltage: ~450V
- Impulse Discharge Current: 8/20 µs waveform
- Insulation Resistance: High
- Capacitance: Ultra-low (@1 MHz)
- Arc Voltage: Stable
- Glow Voltage: Controlled characteristics
- Service Life: Long lifespan under repetitive surge stress
Key Features
- High-voltage surge protection capability
- Fast response to transient overvoltage events
- Ultra-low capacitance for high-speed signal lines
- High insulation resistance for reliable isolation
- Compact SMD footprint for space-efficient PCB design
- Excellent surge current handling performance
- Long operational life and durability
- Suitable for automated SMT manufacturing
Applications
- Telecom and networking equipment
- Industrial automation and control systems
- Power supply and AC/DC line protection
- Consumer electronics and appliances
- Smart grid and metering systems
- Data and signal line protection
- Lightning and transient surge suppression systems
