SL1021B450C Allicdata Electronics
Allicdata Part #:

SL1021B450C-ND

Manufacturer Part#:

SL1021B450C

Price: $ 3.55
Product Category:

Circuit Protection

Manufacturer: Littelfuse Inc.
Short Description: GDT 450V 20KA
More Detail: Gas Discharge Tube 450V 20000A (20kA) 3 Pole User...
DataSheet: SL1021B450C datasheetSL1021B450C Datasheet/PDF
Quantity: 485
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
1 +: $ 3.22560
5 +: $ 3.11472
10 +: $ 3.00384
50 +: $ 2.33642
100 +: $ 1.94702
250 +: $ 1.89139
500 +: $ 1.61324
1000 +: $ 1.52980
Stock 485Can Ship Immediately
$ 3.55
Specifications
Series: SL1021B
Packaging: Tray 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Voltage - DC Spark Over (Nom): 450V
Impulse Discharge Current (8/20µs): 20000A (20kA)
Tolerance: --
Number of Poles: 3
Fail Short: No
Mounting Type: User Defined
Package / Case: Cylinder No Lead, 3 Terminal
Description

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

A Gas Discharge Tube Arresters (GDT) is a form of electrical protection device, usually in the form of a tube containing a gas, and it is used in a variety of electrical applications. The SL1021B450C GDT is designed for lightning protection applications, and its working principle is simple. When a lightning strike causes a current surge, the GDT is designed to trigger and release the energy in the form of a spark to protect relays, transformers, motors, and other electrical components from the surge.

The SL1021B450C GDT is used to provide protection in a variety of applications, such as residential and industrial, telecommunication, railroad, telecom, and power plants. Its main purpose is to provide a relatively low cost means of protecting equipment from lightning surges, by creating enough of a spark gap to prevent the surge from damaging the equipment. Other applications of the SL1021B450C GDT include protection of data communication lines, protection from current transients and the prevention of radio frequency interference.

In terms of construction, the SL1021B450C GDT consists of two electrodes located within a dielectric tube. The tube is filled with a chemical gas, usually sulfur hexafluoride. When an electrical current surge occurs, a spark is created between the two electrodes, releasing the energy to prevent the surge from affecting the protected equipment.

When an electrical current is applied to the GDT, the gas within the tube is ionized and a spark is created, generating a voltage between the two electrodes. This is known as the “breakdown” voltage and it occurs at a very low voltage, usually below a tenth of a volt. The spark will continue for a few microseconds, with a visible corona at the spark gap. A GDT is designed to continue the spark across the gap until all of the surge energy has been dissipated.

The SL1021B450C GDT also has a “recovery” voltage. When the lightning surge has been dissipated, the spark will stop, the voltage across the electrodes will drop, and the unit will return to its normal state. This is important because it prevents the unit from becoming damaged when the surge has passed.

The SL1021B450C GDT provides a low cost protection against lightning induced surges for a variety of applications. It is important to remember, however, to select the right GDT for the application in order to provide the necessary protection. With the right selection, the SL1021B450C GDT can provide reliable protection for a variety of voltage transients.

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

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