2056-20-B2FLF

Series:	2056
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	200V
Impulse Discharge Current (8/20µs):	5000A (5kA)
Tolerance:	±20%
Number of Poles:	3
Fail Short:	Yes
Mounting Type:	Through Hole
Package / Case:	Axial Cylinder, 3 Lead (Radial Bend)

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Gas Discharge Tube Arresters (GDT)

2056-20-B2FLF gas discharge tube arresters (GDTs) are high voltage surge protectors typically used in telecommunications, power systems, and other applications with sensitive circuits. They are designed to protect electronic components from over-voltages caused by lightning, power outages, or static buildup.GDTs are made up of two conductive electrodes, a gas-filled gap between them, and a dielectric material surrounding the gap. The electrodes can be made of copper, nickel, stainless steel, or other electrically conducting materials. The gap is filled with a gas, typically sulfur hexafluoride, but sometimes air or other gas blends. The dielectric material is usually made of a ceramic or glass material and serves as an insulator to protect the electrodes from arcing or over-voltage.GDTs work by allowing a controlled amount of current to flow through them when an over-voltage surge is detected. This controlled current is referred to as a "blooming" phenomenon. During the blooming process, the gas in the gap becomes ionized and allows the electrons to flow through the gap in a specific pattern. This process reduces the voltage of the over-voltage surge and provides protection for the connected electronic devices.The blooming process also dissipates energy as heat, which can cause the GDT to have a relatively slow response time. This is why GDTs are often used in conjunction with other surge protection devices, such as Metal Oxide Varistors (MOVs), to provide a more comprehensive protection solution.GDTs are very reliable surge protection devices and have been in, use since the late 1800s. They come in a variety of sizes and ratings and can be used in many different applications, including high voltage power systems, telecommunications, and other sensitive circuits.GDTs are relatively inexpensive and require minimal maintenance, making them an attractive option for many applications. They also have a relatively long lifespan and are often preferred over other surge protection devices due to their durability and reliability. In conclusion, 2056-20-B2FLF GDTs are reliable high voltage surge protectors that are often used in combination with other surge protection devices, such as MOVs, to provide a comprehensive protection solution. Their relatively low cost and long lifespan make them an attractive option for many applications.

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