Series:	GT
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	2700V
Impulse Discharge Current (8/20µs):	3000A (3kA)
Tolerance:	±15%
Number of Poles:	2
Fail Short:	No
Mounting Type:	Through Hole
Package / Case:	Axial Cylinder

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Gas Discharge Tube Arresters (GDT)

Introduction

Gas Discharge Tube Arresters (GDT) are devices used to protect sensitive electronic components from transients. A GDT is a spark gap (two electrodes separated by an insulating gas) that is capable of quenching a spark that normally occurs in response to a transient. It requires a voltage greater than the nominal level of the protected system before it will be fired. When the GDT is fired, the gap is conducted through the arrester, allowing the transient to bypass the sensitive electronic components. The arrester will then reset itself and be ready to protect against further transient events.

GTCA28-272L-R03 Application Field and Working Principle

The GTCA28-272L-R03 Gas Discharge Tube Arresters (GDT) are designed to protect DC circuits from transients. Specifically, it has been designed to protect circuits up to 28V at frequencies between 10MHz and 6GHz.The working principle of the GTCA28-272L-R03 GDT is based on spark gap technology. It includes two electrodes separated by an insulating gas. When a transient voltage is applied, the spark gap is fired and the resultant spark is quickly extinguished by the conductive gas.The GTCA28-272L-R03 GDT is designed with a low voltage clamping level and a lower spark gap voltage than other similar GDTs. This ensures a better protection for DC circuits against transients.The GTCA28-272L-R03 GDT is also designed to provide several features, including over-voltage protection, reverse polarity, noise isolation, and power cycling. These features ensure maximum protection against transients and will help to ensure the longevity of the protected system.

Conclusion

Gas Discharge Tube Arresters (GDTs) are devices used to protect sensitive electronic components from transients. The GTCA28-272L-R03 GDT is a spark gap device designed to protect DC circuits up to 28V in frequency ranges from 10MHz to 6GHz. The device is designed with a low voltage clamping level and a lower spark gap voltage than other similar GDTs, which ensures a better protection for DC circuits against transients. It also provides a number of features, including over-voltage protection, reverse polarity, noise isolation, and power cycling, which help to ensure the maximum protection of the system.

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