The 2R250SK-8 SMD Gas Discharge Tube (GDT) from RUILON is a high-performance surge protection component engineered to protect sensitive electronic systems from transient overvoltage events such as lightning strikes and switching surges. Utilizing advanced ceramic gas discharge technology, this device ensures rapid transition from a high-resistance state to a low-impedance conduction path, effectively diverting high-energy surges away from critical circuitry.
With a nominal spark-over voltage of approximately 250V, the 2R250SK-8 provides a balanced protection level for medium-voltage applications, offering enhanced tolerance compared to lower-voltage GDT variants. It features high insulation resistance and ultra-low capacitance, ensuring minimal signal distortion in high-frequency communication and data lines.
Designed for durability, the device supports high impulse discharge current capability (8/20 µs waveform) and maintains stable performance under repetitive surge conditions. Its controlled glow and arc voltage characteristics ensure consistent and reliable operation in demanding electrical environments.
The compact SMD package design allows easy PCB integration and supports automated SMT assembly, making it ideal for modern compact electronics. Compared to lower-rated devices, the 2R250SK-8 delivers improved surge handling capability and long-term reliability, making it suitable for telecom, industrial, and power protection applications.
Key Specifications
- Part Number: 2R250SK-8
- Type: Ceramic Gas Discharge Tube (GDT)
- Package: SMD Series
- Nominal Spark-over Voltage: ~250V
- Impulse Discharge Current: 8/20 µs waveform
- Insulation Resistance: High
- Capacitance: Ultra-low (@1 MHz)
- Arc Voltage: Stable
- Glow Voltage: Controlled
- Service Life: Long lifespan under repetitive surge stress
Key Features
- High surge current handling capability
- Fast response to transient voltage spikes
- Ultra-low capacitance for high-speed signal integrity
- High insulation resistance for reliable isolation
- Compact SMD footprint for space-saving PCB layouts
- Stable electrical characteristics under repeated surges
- Long operational life and durability
- Suitable for automated SMT processes
Applications
- Telecom and networking equipment
- Industrial control and automation 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
