2035-15-SMLF

Series:	2035-SM
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):	5000A (5kA)
Tolerance:	±15%
Number of Poles:	2
Fail Short:	No
Mounting Type:	Surface Mount
Package / Case:	2-SMD Cylinder Square End

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What is SMLF and its working principle?SMLF stands for Static Metal Layer Flow Arresters (GDT). It is an arrestor designed for protection from overvoltage created by transient lightning, switching operations or atmospheric disturbances. The main advantages of SMLF lie in its speedy response, light weight, less susceptibility to ion bombardment and a comparatively limited current. The SMLF consists of a special metal supplement suspension containing silver, copper, molybdenum, aluminum, or nickel alloy. Designed to flow, the metal alloy forms a straight conduction path with a few thin layers providing an over-voltage path. Under normal conditions, the arrester acts as an insulating gap, blocking current flow between phases and preventing any electrical insulation breakdown. When exposed to an overvoltage, the arrester becomes both a current limiting device and a current-insulating device. The two thin static layers created by the metal alloy flow become a low-voltage-drop conduction path, allowing power to be transferred at levels relative to the incoming overvoltage. The basic switch mechanism breaks down due to overvoltage before the actual insulation of the system. The flow of current occurs in a specific direction, which is determined by the arrester’s construction. This current flows through the conduction layers before returning to the arrester’s ground connection. ApplicationsThe SMLF arresters are increasingly being preferred for safety and protection due to their improved safety failure rate and their relatively fastactivation time. due to their easy installation process, they are used in a variety of applications, such as: *Power Industry: used to protect overhead lines and underground cables of high-voltage transmission systems.*Lightning Protection: used to protect sensitive electronics, power systems, data networks and instrumentation from the destructive effects of transient overvoltages caused by lightning.*Industrial: commonly found in steel plants, power plants, oil refineries, and other industrial companies.*Scientific: used in research, medical and other scientific areas.ConclusionSMLF are increasingly being preferred for protecting sensitive industrial, commercial, and residential operations from destructive overvoltage transients. It is a relatively modern protection technology that offers quick response time andcurrent limiting characteristics, and is suitable for high voltage applications. It has become the preferred choice of lightning arrester for many operations, as it combines quick response, current limiting, and low failure rate for successful protection from overvoltages.

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