B88069X6331S102

Series:	--
Packaging:	Cut Strip
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	350V
Impulse Discharge Current (8/20µs):	--
Tolerance:	--
Fail Short:	No
Mounting Type:	Through Hole
Package / Case:	Axial Cylinder

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Introduction

Gas Discharge Tube Arresters (GDTs) are a type of surge protection device that provides lightning and overvoltage protection for electronic equipment. The B88069X6331S102 is one of a range of two-pole GDTs designed for use in high voltage applications.

Application Field

B88069X6331S102 is designed for protection against transient overvoltage in telecommunications, industrial and commercial power systems with operating voltages up to 6 kV. It is typically used in power and electronics systems that require protection against short-term overvoltage, such as switching surges, EFT, power-crosses, and lightning.

Working Principle

The B88069X6331S102 GDT is designed with a gas-filled sintered metal cone that acts as an “element” for limiting voltage and current. The gas-filled cone throttles an overvoltage current before it can reach the protected system.The gas-filled cone is made of a sintered metal core that acts like a spark-gap. When an overvoltage exceeds the rated value, the gas inside the cone arc discharges and reduces the overvoltage energy to safe levels. This process is triggered when the electric field across the discharge area becomes very large.The device’s voltage limit is determined by two factors: the physical distance between the electrodes and the gas pressure inside the cone. The gas pressure generates a voltage across the spark-gap, which acts as a threshold voltage for the arc to initiate. Once the spark-gap is exceeded, the gas-filled cone reduces the overvoltage energy. The higher the gas pressure, the lower the voltage is at which the spark-gap is activated and the current is limited.

Conclusion

In conclusion, the B88069X6331S102 is a two-pole GDT designed for power systems with operating voltages up to 6 kV. It provides protection against transient overvoltage, such as switching surges, EFT, power-crosses, and lightning. Its working principle involves a gas-filled sintered metal cone that acts as an “element” for limiting the voltage and current. When an overvoltage exceeds the rated value, the gas inside the cone arc discharges and reduces the overvoltage energy to safe levels.

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