CG21000LTR

Series:	CG2
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	1000V
Impulse Discharge Current (8/20µs):	10000A (10kA)
Tolerance:	--
Number of Poles:	2
Fail Short:	No
Mounting Type:	Through Hole
Package / Case:	Axial Cylinder

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Introduction

Gas Discharge Tube Arresters (GDT) have been used in the protection of electrical systems from overvoltage conditions since the early twentieth century, finding widespread application in telecommunications, power transmission, and other industrial applications. This paper focuses on GDT CG21000LTR and its application field and working principle.

CG21000LTR: Application Field and Working Principle

CG21000LTR is a GDT device that offers superior system reliability and safety in a wide range of applications. It is an advanced, multi-stage, MOSFET-based arrestor designed for high-speed, overvoltage protection in ac and dc systems.The CG21000LTR is designed for use in telecommunications, power lines, data networks, surveillance systems, and other applications where surge protection is required. Its advanced design allows it to detect and suppress overvoltage conditions with high precision and speed.The CG21000LTR is a three-stage, MOSFET-based arrestor. The first stage is a high-speed protection MOSFET that responds in less than 10μs. The second stage is a simple voltage clamping circuit that further restricts the surge voltage. The third stage is a second protection MOSFET that acts as a low impedance gate to ground for low energy transients.The CG21000LTR operates on the principle of voltage-gated current flow, meaning that current will only flow when the voltage exceeds a certain threshold. This threshold is set at 2V for the CG21000LTR, meaning that the device will only activate when the voltage exceeds this level. The CG21000LTR is designed to be used with other surge protection devices, such as lightning arrestors, spark gaps, or surge diverters. When used together, these devices can provide a comprehensive protection solution for ac and dc applications.

Benefits

The CG21000LTR offers a number of benefits, including superior accuracy, low power consumption, fast response times, and high surge protection capability. Furthermore, the device is capable of withstanding high surge voltages, up to 40 kV, while still providing a low insertion loss of less than 0.1 dB. The CG21000LTR also offers a wide operating temperature range, from -40°C to +85°C, making it well-suited for applications in extreme climates. Additionally, it is compatible with a range of power transmission and communication protocols, such as Ethernet, Pulse Code Modulation (PCM), and Synchronous Digital Hierarchy (SDH).

Conclusion

GDT CG21000LTR is a state-of-the-art device designed for ac and dc applications requiring surge protection. Its multi-stage protection circuitry provides superior accuracy, fast response times, and high surge protection capability. Furthermore, it is capable of withstanding high surge voltages, and is compatible with a range of power transmission and communication protocols.

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