2027-25-CLF

Series:	2027
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	250V
Impulse Discharge Current (8/20µs):	10000A (10kA)
Tolerance:	±15%
Number of Poles:	2
Fail Short:	No
Mounting Type:	Through Hole
Package / Case:	Axial Cylinder

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Gas Discharge Tube Arresters (GDT)In recent years, there has been a growing demand for advanced surge protection equipment to prevent damage from electrical system and lightning events. Effective surge protection is essential for several areas, which include industrial, home appliances, IT, telecom, military and medical equipment. One of the most widely used technologies used for surge protection is a gas discharge tube (GDT) arrester.A gas discharge tube arrester consists of an insulating tube filled with a gas mixture, typically consisting of hydrogen, nitrogen and halon. In this configuration, the voltage is applied to the two ends of the tube and the electrons in the gas fill will flow between the two electrodes when the electric field is exceeded. The electrons distributes themselves, forming a conducting channel within the gas which increases its conductivity and allows current to flow between the electrodes.When exposed to lightning peak or overvoltage conditions, the gas within the tube breaks down, redirecting the current and absorbing the excess energy. By doing this, it creates a path for the large currents to flow, while limiting the voltages that can pass through the device. This ensures safe operation of the protected equipment.The main features of the GDT arrester are high sensitivity, low energy transfer, and low voltage protection. It also provides high-performance protection in high-voltage environments. In addition, it is extremely compact and can be located close to the equipment or devices that require protection.The GDT arrester is used in a wide range of applications, including industrial, medical, IT, and telecom equipment. It can also be used in commercial and home appliances, such as cell phones, televisions, and computers.The working principle of the gas discharge tube arrester is based on the breakdown of the gas mixture within the arrester. As the external electric field increases, the electrons in the gas-filled tube accelerate and collide with the atoms in the tube. This causes them to break down and create a conducting channel between the two electrodes. Once this happens, current and energy are safely dissipated.The GDT arrester provides two main functions: to reduce high voltages and to limit the surge current. The tube is filled with a gas mixture designed to withstand lightning impulses as well as overvoltage events and will breakdown instantly to provide the overcurrent protection.In conclusion, the gas discharge tube arrester is a well-known and proven surge protection technology used to protect electronic devices and systems from lightning transient overvoltages and overcurrents. It works by quickly redirecting the current and absorbing the excess energy, thus ensuring safe operation of the protected equipment. This makes it an ideal choice for applications in industrial, IT, telecom and medical equipment.

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