SL1003A400C

Series:	SL1003A
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	400V
Impulse Discharge Current (8/20µs):	10000A (10kA)
Tolerance:	--
Number of Poles:	3
Fail Short:	No
Mounting Type:	User Defined
Package / Case:	Cylinder No Lead, 3 Terminal

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Introduction to Gas Discharge Tube Arresters (GDTs)

Gas Discharge Tube (GDT) arresters are essential components for the protection of high-value electronic equipment from electrostatic discharge and lightning strike. They are commonly found in power distribution networks, telecommunications, and military-grade training systems. GDTs are constructed by making an arc between two electrodes inside a sealed, grounded glass tube filled with a high-pressure non-freezing gas. As electrical energy is applied, the electrode arcs discharge their excess electrical charge, thus creating a path to ground for the lightning strike or transient voltage surge.

SL1003A400C Application Field and Working Principle

The SL1003A400C GDT is an innovative product from Siemens and is commonly used in power distribution networks, as well as in telecommunications and other military-grade training systems. The SL1003A400C features a high-voltage design with a maximum surge current of 4000 Amps. It is available in a wide range of sizes and shapes, allowing for different configurations and mounting methods, making it suitable for a variety of environments. The SL1003A400C uses a two-electrode arc discharge principle. When an external electrical surge or a lightning strike is detected, the electrodes discharge the energy through an arc. The contained gas breaks the arc and absorbs the excess electrical charge, which is then dissipated through an external ground connection.The SL1003A400C GDT is also designed with over-voltage protection, which protects against permanent damage to the equipment. It will trip when the voltage level reaches the over-voltage threshold, thus preventing damage to sensitive electronics.

Conclusion

Gas Discharge Tube Arresters are essential components for the protection of high-value electronic equipment from electrostatic discharge and lightning strikes. The SL1003A400C GDT is an innovative product from Siemens that utilizes a two-electrode arc discharge principle, allowing for controlled, temporary energy dissipation through an external ground connection. Furthermore, the device is designed with over-voltage protection, preventing permanent damage to sensitive electronic equipment. SL1003A400C GDTs are commonly used in power distribution networks, telecommunications, and military-grade training systems and are available in a wide range of sizes and shapes to suit various applications.

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