Discharge type surge absorbing element and method for making the

Details Discharge type surge absorbing element and method for making the Discharge type surge absorbing element and method for making the

1995-06-29

1997-12-02

Donovan, Lincoln

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

337 28, H01L 712

Patent

active

056942842

ABSTRACT:
A discharge-type surge absorbing element that absorbs a surge by using the discharge that occurs between a discharge interval arranged within a sealed container filled with a discharge gas. The discharge-type absorbing element is characterized by a plurality of discharge electrodes connected to lead wires and disposed within a sealed container filled with a discharge gas. The discharge electrodes are disposed within the container so that they face each other and so that a discharge gap is formed between the discharge electrodes. The lead wire from each of the discharge electrodes passes through the sealed container and extends externally. A layer is disposed on the inside surface of the sealed container, at least between the lead wires. The layer has good creeping discharge properties and is made from the material in the discharge electrodes. A very small gap is formed between the lead wires and the end of the layer.

REFERENCES:
patent: 4912592 (1990-03-01), Flindall et al.
patent: 5247273 (1993-09-01), Shibayama et al.

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