Gas Discharge Tube Arresters (GDT)

A gas discharge tube or GDT, is a sealed, glass-enclosed device that contains an inert gas mixture trapped between two electrodes. When a voltage greater than the GDT's rating is exceeded, the increased voltage ionizes the gas allowing it to conduct electricity and divert the excess voltage to ground.


Littelfuse Inc. GTCN28-231M-P15

GDT 230V 20% 15KA

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Littelfuse Inc. GTCN28-231L-P05

GDT 230V 15% 5KA

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Littelfuse Inc. GTCN28-151M-P05

GDT 150V 20% 5KA

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Littelfuse Inc. GTCN28-151M-P15

GDT 150V 20% 15KA

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Littelfuse Inc. GTCN28-251M-P15

GDT 250V 20% 15KA

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Littelfuse Inc. GTCN26-351M-P05-B

GDT 350V 20% 5KA

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Littelfuse Inc. GTCA28-900M-P05

GDT 90V 20% 5KA THROUGH HOLE

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Littelfuse Inc. GTCA28-801L-P05

GDT 800V 15% 5KA THROUGH HOLE

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