Gas Discharge Tube
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Gas Discharge Tube

Gas discharge tubes are sealed glass tubes containing a pair of electrodes and filled with a gas that only conducts when a high voltage is applied across the electrodes. When a voltage spike appears across the device the gas is ionised (becomes a conducting gas plasma) which short-circuits the spike energy away.

Gas Discharge Tube Manufacture Process:

Gas Discharge Tube Advantages:

The gas discharge tube is suitable for frequency 0-2.4 GHz, almost all surge, whether high or low frequency, can be intercepted by a gas discharge tube surge arrester. With the gas discharge tube grounded, we can detect the integrity of such arrester by adding sensor to the grounding cable.

Gas Discharge Tube

Gas Discharge Tube Application:

Gas discharge tubes are extensively used for the protection of telecommunications plant and equipment against overvoltage caused by lightning, power switching and fault conditions.

Gas discharge tube are extensively used for the protection of telecommunications plant
Gas discharge tube are extensively used for the protection of telecommunications equipment
Gas Discharge Tubes

YINT Brand Introduction:

YINT Electronics, established in 2006, a leading provider of circuit protector and solution service, integrates R&D, production, sales and service in one, it has its own intellectual property rights in all the products, the products are mainly sold to more than 20 domestic cities and more than 10 countries worldwide. Our headquarter is in Shanghai and our factory is located in Wuhu, now we have 200 employees and 50 employees among them are in charge of management, design and techniques.

Production Capacity and Equipment:

YINT has been accredited with ISO9001 quality system certification in 2007 and now we have 19 Certificates of Utility Model Patent. Our company has imported high-tech production and testing equipment, all the products comply with RoHS requirements; many series of products are certified by international safety regulatory agencies, such as UL, VDE, CSA, etc.


2019 Korea Electronics Show (KES)

2019 Korea Electronics Show (KES)

Electronica China 2019

Electronica China 2019

Electronica China 2020

Electronica China 2020

Questions you may be concerned about

1. Can you provide samples of gas discharge tube? is it free or extra?

Free samples for testing.

Professional electronic solutions according to customers' demands.

Customized gas discharge tube products.

2. Can you provide competitive prices for gas discharge tube?

1) The price is different according to customers' needs and quantity requirements.

2) The customized products will incur additional production costs.

3. What is your payment term?

100% TT in advance in first stage.

4. Gas Discharge Tube Packing and Delivery Issues:

1) The gas discharge tube will be packed in reel or plastic case type, as photos.

gas discharge tube Packing

2) Envelope for small quantity, carton for large quantity, extra wraping materials will be applied to long-distance transportation.

Gas Discharge Tubes Packing

3) Lead time: usually within 10 working days after payement.

4) Port: Shanghai

5) Shipping Methods: DHL, Fedex, by sea, etc(Negotiable)

5. How is your quality control carried out?/ How do you ensure gas discharge tube quality?

1) We have a professional QC Department, every part must be passed by QC from our company before shippment.

2) If there are any quality problems after you receving the products, please make sure that all items are in their original conditions for refund or replacement.

3) Our technical engineer team provides professional solutions and other technical consulting services.

4) Our professional foreign trade team follows up all the delivery process of each order.


1. What is a Gas Discharge Tube (GDT)?

Gas Discharge Tubes (GDTs) are used to protect personnel and sensitive equipment from hazardous transient voltages. Bourns GDTs are used in primary and secondary applications and can withstand multiple applications of high surge current energy in excess of 25 KA.

2. How does a Gas Discharge Tube work?

A gas discharge tube is usually a glass tube with two electrodes sealed through its walls. When a voltage is applied to the two electrodes and the pressure of the gas in the tube is reduced, eventually a pressure is reached at which a current flows, and the gas begins to glow.

3. Where to use gas discharge tube?

Gas discharge tubes are used to protect transformers and switch-gears. They’re also used in communications networks and with industrial and commercial electronics. Some gas discharge tubes are equipped with fail-safe devices for situations when the GDT produces excess thermal energy. To prevent heat damage to the magazine or the device’s terminal block, the arrester is fitted with a back-up short-circuit fail-safe device.

4. How to select gas discharge tube?

It is generally selected according to the requirements of the lightning protection test level of the customer's product to determine the flow capacity and corresponding size specifications of the selected discharge tube...Read more

5. Who invented gas discharge tube?

A Geissler tube is an early gas discharge tube used to demonstrate the principles of electrical glow discharge, similar to modern neon lighting. The tube was invented by the German physicist and glassblower Heinrich Geissler in 1857.

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