2038-35-SMLF

Series:	Mini-TRIGARD™ 2038
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	350V
Impulse Discharge Current (8/20µs):	5000A (5kA)
Tolerance:	±25%
Number of Poles:	3
Fail Short:	No
Mounting Type:	Surface Mount
Package / Case:	3-SMD Cylinder Square End

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Gas Discharge Tube Arresters (GDT)

Gas Discharge Tube Arresters (GDTs) are utilized to protect electrical systems from electrical surges, and are especially important for outdoor systems. Gas Discharge Tubes (GDTS) are commonly used in applications where high speed overvoltage protection is required, such as in the power lines of data and telephone networks. The most common type of GDT is the 2038-35-SMLF, which is designed for applications where the maximum operating current is 20A or less.

Working Principle

Gas discharge tube arresters use gas-filled discharge tubes to provide high-speed, short-term overvoltage protection. The inner tube of the GDT contains a gas, such as sulfur hexafluoride (SF6) or sulfur dioxide (SO2), at a low pressure that is held in place by the outer metal housing. When an overvoltage is applied, the gas inside the tube is ionized, creating a high-voltage arc which limits the voltage to a safe level. The current then flows through the tube, discharging the stored energy and protecting the device from further overvoltage.

Applications

2038-35-SMLF GDTs can be used in a variety of applications, including surge protection in telecommunication equipment, AC and DC circuit breakers, inductive loads such as motors and generators, protection of power line equipment, and power supply surge protection. GDTs are also used in photovoltaic systems and military applications. They are also used to protect high voltage power supplies, such as those found in industrial, automotive, and consumer electronics. GDTs are also used to protect logic circuits in computers, digital logic ICs, and motor drives. In addition, 2038-35-GDTs can be used in aircraft for lightning strike protection, avionics protection, aircraft instrumentation, onboard communications, and navigation systems. They are also used in medical device and biomedical equipment protection, and in vehicles for radio and communication systems, navigation systems, and RFID systems.

Advantages of 2038-35-GDTs

The primary advantage of 2038-35-GDTs is their ability to react quickly to overvoltages, typically in under one microsecond. This response time is much faster than that of traditional circuit breakers, which can take several seconds to respond. GDTs also provide a reliable level of protection, without the need for regular maintenance or replacement. They are also relatively small, making them easy to incorporate into electrical systems. GDTs also require less energy than traditional breakers, which can be an important factor for power-sensitive applications. Finally, GDTs are relatively inexpensive and can be easily replaced if damaged.

Conclusion

Gas Discharge Tube Arresters can provide reliable, long-term protection against overvoltages. The 2038-35-SMLF GDT is especially designed for applications where the maximum operating current is 20A or less and is used in a variety of industries and applications, including telecommunications, power, aircraft, medical equipment, and lighting. GDTs provide a range of advantages, from their fast response time to their small size and low cost.

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