The 2R300SK-8 SMD Gas Discharge Tube (GDT) from RUILON is a high-voltage surge protection device designed to safeguard sensitive electronic systems from transient overvoltage events such as lightning strikes, electrostatic discharge, and switching surges. Built using advanced ceramic gas discharge technology, this component ensures rapid activation, transitioning from a high-resistance state to a low-impedance path to effectively divert surge energy.
With a nominal spark-over voltage of approximately 300V, the 2R300SK-8 is well-suited for applications requiring higher voltage thresholds compared to lower-rated GDT devices. It offers high insulation resistance and ultra-low capacitance, ensuring minimal signal distortion in high-frequency communication and data transmission lines.
Engineered for reliability, the device supports high impulse discharge current capability (8/20 µs waveform) and delivers consistent performance under repetitive surge conditions. Its stable glow and arc voltage characteristics further enhance operational stability in harsh electrical environments.
The compact SMD package design enables efficient PCB integration and supports automated SMT assembly processes, making it ideal for modern compact electronics. Compared to lower-voltage variants, the 2R300SK-8 provides improved surge handling capability and enhanced durability, making it a preferred choice for telecom, industrial, and power protection systems.
Key Specifications
- Part Number: 2R300SK-8
- Type: Ceramic Gas Discharge Tube (GDT)
- Package: SMD Series
- Nominal Spark-over Voltage: ~300V
- 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 operation
- Compact SMD footprint for space-saving PCB designs
- Excellent surge current handling performance
- Long operational life with consistent reliability
- Suitable for automated SMT manufacturing
Applications
- Telecom and data communication systems
- Industrial automation and control equipment
- Power supply and AC/DC line protection
- Consumer electronics and appliances
- Smart grid and metering systems
- Signal and interface protection
- Lightning and transient surge suppression systems
