2047-15-BLF

Series:	2047
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	150V
Impulse Discharge Current (8/20µs):	40000A (40kA)
Tolerance:	±20%
Number of Poles:	2
Fail Short:	No
Mounting Type:	Through Hole
Package / Case:	Axial Cylinder, Radial Bend

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Gas Discharge Tube Arresters (GDT)

A gas discharge tube (GDT) arrestor is a spark gap-based electrical surge protection device that is used to protect electrical equipment from electrical overvoltages, recently referred to as transient voltage stresses. GDTs are used in a variety of applications to protect circuits from voltage surges, both ac and dc.In a typical GDT, the voltage between the arresting pins triggers the sparks to pass through the spark gap. This passes high current through the spark gap and across the arrestor, which limits the overvoltage transients to safe levels. The gap between the pins may be electrically charged or discharged, depending upon the type of application.What is a 2047-15-BLF Arrestor?The 2047-15-BLF arrester is a gas discharge tube (GDT) designed to shield electronic components from over-voltage transients. Its unique design is focused on low thermal capacitance, high peak current, and low closing voltage, allowing for unprecedented performance in high voltage transient protection. This device can arrest high-current transients of 20kA (8/20us pulse wave) at 400V.How Does a 2047-15-BLF GDT Work?The 2047-15-BLF gas discharge tube operates in a similar way to other gas discharge tubes, by bridging a gap between two electrodes. When an overvoltage transient or surge causes the voltage across the gap to exceed its design limit, a spark is initiated and the surge current is diverted through the gap. This causes the voltage drop across the device to reduce, thus protecting the equipment connected to it.The 2047-15-BLF features a unique small electrode design, making it ideal for overvoltage protection for circuit boards or similar components. The device is designed to have low thermal capacitance, which reduces the impact on the circuit board when large current transients are arrested.Application Fields of 2047-15-BLF GDTThe 2047-15-BLF has a wide range of applications due to its low thermal capacitance, high peak current and low closing voltage. This makes it a suitable protection solution for applications such as data transfer, communications, lightning protection, and industrial automation systems.2047-15-BLF can also be used for surge protection of equipment that is sensitive to overvoltage transients and surges. It is specifically suitable for high voltage circuit boards and components due to its low thermal capacitance.ConclusionThe 2047-15-BLF gas discharge tube (GDT) offers superior performance in high voltage transient protection applications. It features low thermal capacitance, high peak current and low closing voltage, allowing it to efficiently arrest surges of up to 20kA. Its wide array of applications make it suitable for a broad range of applications, such as data transfer, communications, lightning protection, industrial automation systems, and surge protection for high voltage circuit boards and components.

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