2027-60-SM Allicdata Electronics
Allicdata Part #:

2027-60-SM-ND

Manufacturer Part#:

2027-60-SM

Price: $ 0.37
Product Category:

Circuit Protection

Manufacturer: Bourns Inc.
Short Description: GDT 600V 15% 10KA SURFACE MOUNT
More Detail: Gas Discharge Tube 600V 10000A (10kA) ±15% 2 Pole ...
DataSheet: 2027-60-SM datasheet2027-60-SM Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
1000 +: $ 0.33800
Stock 1000Can Ship Immediately
$ 0.37
Specifications
Series: 2027
Packaging: Bulk 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Voltage - DC Spark Over (Nom): 600V
Impulse Discharge Current (8/20µs): 10000A (10kA)
Tolerance: ±15%
Number of Poles: 2
Fail Short: No
Mounting Type: Surface Mount
Package / Case: 2-SMD Cylinder Square End
Description

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2027-60-SM Gas Discharge Tube Arresters (GDTs) are an important component in protecting valuable electronic equipment from transient voltage surges. With the rapid development of scientific and technological progress, GDTs have become more and more widely used in the power system, televisions, communications, computers and other electronic products to prevent them from being damaged due to high-voltage lightning overvoltages or induced transient overvoltages.This paper first introduces the application field of 2027-60-SM GDT, and then introduces its working principle and structure, in order to enable people to get a deeper understanding and more correct application.
Application Field
2027-60-SM GDTs are widely used in electrical distribution systems to protect against lightning, short-circuit, and other types of transient overvoltages or induced transient overvoltages, and to ensure safe operation of equipment.It can be used in high-voltage overhead power lines, substation electrical equipment, transformers, telecommunications and radio systems, power plants, industrial systems, lightning protection systems, AC and DC power lines, computer systems, kitchen and bathroom equipment, and so on.
Working Principle
The core of the 2027-60-SM GDT is a Gas Discharge Tube (GDT). It consists of an insulating envelope filled with a noble gas ( usually a mixture of argon, nitrogen, and helium, with or without some admixture of oxygen or water vapor), a pair of electrodes and a voltage divider.When the voltage of a system exceeds its rated values, the GDT will fire and become conductive due to the ionization of the gas resulting from collisions of electrons, which will create a conductive path and dissipate the excess energy of the incoming transient current. After the surge current passes, the GDT will become nonconductive again, and thus, the transient voltage is reduced to a safe value.At the same time, the 2027-60-SM GDT has the characteristics of strong anti-interference ability, wide operating frequency range, high switching speed, no sparking and explosion, and quick response time.
Structure
The 2027-60-SM GDT consists of three parts: a shell, a voltage divider and an overvoltage protection tube. The shell is made of strong and reliable insulating material, and there is an input port and an output port on the shell, which are respectively connected to the input and output lines of the device.The voltage divider consists of a pair of series-connected electrodes, a varistor, a voltage-regulating inductor, a surge-limiting resistor (Znr) and other components. The varistor plate increases the electron mobility of the gas in the tube, allowing the gas to fire off quickly in the presence of a large transients, while the inductor limits the discharge current and prevents the GDT from greatly damaging the output circuit. The Znr functions to maintain constant discharge voltage during normal operation, and provide additional discharge capacity when needed. The overvoltage protection tube also known as the GDT tube, consists of two electrodes and a noble gas filled in the middle. When an abnormal transient voltage exceeding the normal operating voltage arises, the gas in the tube produces a strong avalanche effect due to the ionization of electrons, allowing the current to flow through the tube and dissipate the excess energy of the transient current.In summary, 2027-60-SM GDTs are widely used in power systems, telecommunications, computer systems and other industries due to their high reliability and responsiveness. Its working principle is to use gas discharge to dissipate the transient overvoltage energy, so that the protective device and equipment can be reliable and effectively protected.

The specific data is subject to PDF, and the above content is for reference

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