ST-0840-BLB-STD Allicdata Electronics
Allicdata Part #:

ST-0840-BLB-STD-ND

Manufacturer Part#:

ST-0840-BLB-STD

Price: $ 0.74
Product Category:

Circuit Protection

Manufacturer: Bourns Inc.
Short Description: GDT 840V 12% THROUGH HOLE
More Detail: Gas Discharge Tube 840V ±12% 2 Pole Through Hole
DataSheet: ST-0840-BLB-STD datasheetST-0840-BLB-STD Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
6000 +: $ 0.66938
Stock 1000Can Ship Immediately
$ 0.74
Specifications
Series: Sparctube™ ST-0840
Packaging: Bulk 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Voltage - DC Spark Over (Nom): 840V
Impulse Discharge Current (8/20µs): --
Tolerance: ±12%
Number of Poles: 2
Fail Short: No
Mounting Type: Through Hole
Package / Case: Axial Cylinder
Description

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Gas Discharge Tube Arresters (GDT)

Gas Discharge Tube (GDT) arresters, also known as Surge Arresters, are important safety components that are widely used in power grids and other electrical systems. They provide high-impedance protection for circuits while enabling high-speed conduction of dust-free high-voltage surges. GDTs are typically used in applications where an overvoltage condition might occur, such as lightning strikes, abrupt system switching and other similar issues.

ST-0840-BLB-STD Application Field and Working Principle

The ST-0840-BLB-STD Gas Discharge Tube Arrester is designed to protect telecommunications and other electrical equipment from overvoltage caused by lightning, power line transients, etc. It is available in a range of configurations, with dimensions ranging from 3/4” to 2-1/2”. The main components of the device include a contact disk, current sheath, lightning protection rod, discharge gap and spark gaps.

The device operates by providing an open circuit during normal operation, and a low blocking voltage across the spark gaps. When a lightning surge, power line transient or other overvoltage condition occurs, the main contact disk acts as the first stage of protection and will let the overvoltage through to the discharge gap. The discharge gap then conducts the current, allowing the spark gap to open and diverting the current away from the protected device or system.

The spark gap also provides a second layer of protection, as it allowing a higher voltage to pass through it will remain open for a longer period of time than the discharge gap. This additional protection helps to ensure that the protected equipment or system is not damaged.

The ST-0840-BLB-STD Gas Discharge Tube Arrester is suitable for use in many environments. It features a high discharge surge capability and a wide operating temperature range from -40°C to 85°C. It can also be used outdoors with a variety of protection systems, and features a protection rating of up to 375kV. The arrester also has an operating life of over 100kV, making it suitable for use in many applications where overvoltage protection is necessary.

In summary, the ST-0840-BLB-STD Gas Discharge Tube Arrester is a highly reliable device that provides excellent protection for telecommunications and other electrical systems. It features a high discharge surge capability and wide operating temperature range, as well as a protection rating of up to 375kV and an operating life of over 100kV.

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

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