2095-250-BLF

Series:	2095
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	2500V
Impulse Discharge Current (8/20µs):	5000A (5kA)
Tolerance:	±20%
Number of Poles:	2
Fail Short:	No
Mounting Type:	Through Hole
Package / Case:	Axial Cylinder

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Gas Discharge Tube Arresters (GDT)

Gas discharge tube arrester (GDT) is a device used for protecting electrical circuits appointed during short depending spikes or electrical transients, usually during switching events or lightning strikes. It can be used for protecting equipments like transformers, circuit breakers, generators and so on in three phase and single phase AC circuits. GDT works based on the ability of gas discharge tubes to absorb the sudden and intense energy caused by a short or transient. GDT like 2095-250-BLF consists of a gas discharge tube and a spark gap. The spark gap has a threshold voltage. When the threshold voltage is reached, a spark will occur between the contacts, allowing the sudden peak transient energy to pass through, and then quickly extinguishes itself. The gas discharge tube (GDT) is placed downstream of the spark gap, creating an electrical reference point where the transient energy is grounded.The primary application of GDT like 2095-250-BLF is providing protection of telecomm and power equipment from overvoltages caused by external events such as lightning strikes or switching events. Its design and construction ensures that normal system voltage cannot exceed the level that triggers its operation.The working principle of GDT 2095-250-BLF consists of two stages. The first stage is the spark gap, which interrupts normal voltage, and then the second stage is the GDT, which dissipate large surges current depending on the selected rated current. The gap has a preset voltage rating and when the external voltage exceeds this rating, a spark will be created in which the energy is discharged. The gas discharge tube, on the other hand, acts as a preventative measure for any additional transient voltages that still pass through the spark gap. The GDT blocks further energy from passing and creates an electrical reference through which the energy is grounded.By nature, GDT devices can also provide surge protection against severe over-voltages caused by lightning, ensuring that the equipment is kept safe. GDT devices such as 2095-250-BLF are used in telecom, power generation and distribution system protection because of their high surge capacity and low energy loss. GDT like 2095-250-BLF helps to ensure the reliability of systems by protecting the electronic circuits and equipment from hazardous high-energy voltaic transients like power swings, switching transients and lightning. Such devices are becoming increasingly sophisticated, with more and more modular designs and multi-stage systems available. This allows users to customize a system to meet their particular needs.In summary, 2095-250-BLF GDT devices consists of two stages, namely the spark gaps and the GDT. The spark gap has a preset voltage rating and when the external voltage exceeds this rating, a spark will be created in which the energy is discharged. The GDT creates an electrical reference point where the transient energy is grounded. GDT are used for protecting telecom and power equipment from overvoltages caused by external events such as lightning strikes or switching events. The primary purpose of GDT is to maintain system reliability and protect electronic circuits and equipment from high-energy transients.

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