2027-47-B10LF

Series:	2027
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	470V
Impulse Discharge Current (8/20µs):	10000A (10kA)
Tolerance:	±15%
Number of Poles:	2
Fail Short:	No
Mounting Type:	Through Hole
Package / Case:	Axial Cylinder, Radial Bend

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2027-47-B10LF is a Gas Discharge Tube Arresters (GDT) designed to protect telecommunications systems from lightning strikes or other electrical surges. It is an economical, low-maintenance solution that is capable of suppressing surges up to 250 kilovolt-amperes (kVA). The GDT features a highly efficient polymer arc rod that dissipates the surge energy and eliminates the need for expensive and time-consuming service visits. The 2027-47-B10LF is used in many applications, including power and telco systems, cable and broadcast systems, and digital control systems. It can also be used in close proximity to sensitive equipment, and it is designed to be installed in outdoor environments. It is effective in suppressing overvoltages caused by lightning or other transient events, and it is typically mounted directly in line with the protected system, upstream of any sensitive equipment.The working principle of the 2027-47-B10LF is based on the gas discharge tube (GDT), a form of semiconductor device that utilizes a high-voltage spark gap to provide protection from electrical overvoltages. When a surge or overvoltage occurs, the arrester quickly responds by conducting the excess voltage, thus limiting damage to the protected system.The 2027-47-B10LF consists of a gas discharge tube (GDT) contained within a cylindrical metallic enclosure which is mounted to the ground or other noise-protected circuit. Inside the GDT, an electrically conductive medium is enclosed. When an incoming surge is detected, the gas discharge tube creates an arc between the electrodes, allowing the excess voltage to pass through the arrestor. The electrical energy is then dissipated as heat, while the remaining voltage and harmonic distortion are reduced to safe levels.The arrester also features a built-in time-delay circuit, which delays its response just long enough to allow the surge to be properly dissipated. This increases its reliability and helps protect sensitive equipment from damage.One of the main advantages of the 2027-47-B10LF is its low maintenance requirements, as the GDT requires no special preventive maintenance or periodic service visits. The arrester is also straightforward and easy to install, making it a convenient and cost-effective solution for protecting against overloads and overvoltages. The GDT is also designed to offer superior protection from transient events, such as lightning, and its superior temperature coefficient ensures that it will continue to provide robust protection even in extreme conditions.

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