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Components for low-voltage surge protective devices -- Selection and application principles for gas discharge tubes
Principles for Gas Discharge Tubes
Gas discharge tubes operate based on the ionization of gas within a sealed tube, allowing current to flow through the gas and produce light.
When a sufficient voltage is applied across the electrodes, the gas atoms become ionized, creating positive ions and free electrons that contribute to conduction.
The tube remains non-conductive until the breakdown voltage is reached, at which point a discharge occurs, characterized by a sudden increase in current.
Different gases and pressures inside the tube influence the color and characteristics of the discharge, making gas discharge tubes useful for various applications including lighting and voltage regulation.
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