Tungsten Copper High-Voltage Discharge Tube Electrode
1. What's Tungsten Copper High-Voltage Discharge Tube Electrode?
Tungsten copper high-voltage discharge tube electrode is a key discharge component inside high-voltage gas discharge tubes. It guides electrical discharge under overvoltage conditions and withstands arc impact, helping protect circuits and electrical equipment. CTIA's tungsten copper electrodes typically feature a composite structure consisting of tungsten skeleton infiltrated with copper, combining tungsten's high melting point and arc erosion resistance with copper's electrical and thermal conductivity. This makes them suitable for surge protection devices exposed to transient high currents and high-energy discharges. Specific material compositions and electrode structures depend on the discharge tube's operating voltage, current, and discharge conditions.
2. Characteristics of CTIA's Tungsten Copper High-Voltage Discharge Tube Electrode
(1) High-Temperature & Arc-Erosion Resistance: The high melting point of tungsten helps the electrode maintain structural stability during high-energy discharge processes, reducing arc-erosion loss.
(2) Good Electrical & Thermal Conductivity: The copper phase helps conduct electric current and diffuse heat, reducing the risk of localized overheating.
(3) Resistance to Transient Current Impacts: The tungsten-copper composite structure balances electrical conductivity with arc-erosion resistance, making it suitable for withstanding short-term high currents and high-energy discharges.
(4) Transpiration Cooling to Mitigate Thermal Shock: During high-temperature discharges, the melting and evaporation of the copper phase absorb a portion of the heat, helping to lower the thermal load on the electrode's working end.
(5) Good Electrode Shape Retention: Tungsten-copper materials help reduce electrode wear under repeated arc actions, maintaining stability in the discharge gap and discharge performance.
(6) Composite Structure Options: Some electrodes utilize a combined structure of a tungsten-copper working layer and an oxygen-free copper base, balancing arc-erosion resistance at the discharge end with conductivity and heat dissipation at the connection end.
3. Applications of CTIA's Tungsten Copper High-Voltage Discharge Tube Electrode
(1) High-Voltage Gas Discharge Tubes: Used in surge protection devices for communication equipment, power interfaces, and electronic systems. When surge voltage exceeds the operating threshold, the electrode helps establish a discharge path.
(2) Ceramic Gas Discharge Tubes: Used in ceramic-encapsulated surge protection devices, where electrodes withstand internal discharge impacts and help reduce erosion caused by high-energy discharges.
(3) Tubular Lightning Arresters and Surge Protection Devices: Used in discharge components designed to withstand lightning currents or surge currents, combining electrical conductivity, heat dissipation, and arc erosion resistance.
(4) High-Energy Pulsed Discharge Equipment: Used in electrode assemblies for high-voltage pulsed discharge devices, accommodating short-duration high currents and repeated discharge cycles.
4. Specifications of CTIA's Tungsten Copper High-Voltage Discharge Tube Electrode
(1) Materials: CuW70, CuW75, CuW80, CuW85, CuW90, etc.
(2) Structures: Rods, discs, blocks, and custom-shaped electrodes.
(3) Dimensions: Customizable according to requirements.
(4) Surface Treatments: Grinding, polishing, etc.
With nearly 30 years of experience in tungsten copper alloy manufacturing, CTIA GROUP provides customized electrode solutions for high-voltage discharge tubes, covering material selection, structural design, dimensional customization, and precision machining according to operating voltage, discharge current, tube type, and mounting requirements.
For any inquiry, please contact tungsten copper manufacturer: CTIA GROUP
Email: sales@chinatungsten.com
Tel: 0086 592 5129696 / 0086 592 5129595
Website: tungsten-copper.com
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