Electrical component having high strength given stressing due to

Details Electrical component having high strength given stressing due to Electrical component having high strength given stressing due to

1987-03-05

1987-12-22

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

338328, 338329, H01C 710

Patent

active

047149108

ABSTRACT:
An electrical component, particularly a varistor, having high strength given stressing due to temperature change and due to surge currents is composed of a ceramic body whose end faces contain solderable metallic coatings as electrodes to which power supply elements are soldered, the latter being composed of a closed strip which leaves open and inwardly-disposed area and an outwardly-disposed area on the coating and which is dimensioned such that the condition Fa:FI=Ua:Ui=1.05 through 1.35 is met, where Fa is the surface of the coating located outside of the power supply element, Fi is the surface of the coating lying inside the power supply element, Ua is the outer circumference of the power supply element and Ui is the inner circumference of the power supply element. Each power supply element contains a lead clip which is spaced from the metallic surface by bends to such a degree that the clip is not soldered to the metallic coating.

REFERENCES:
patent: 3793604 (1974-02-01), Duggan et al.
patent: 3959763 (1976-05-01), Sibley et al.
patent: 4212045 (1980-07-01), Martzlaff
patent: 4635026 (1987-01-01), Takeuchi
patent: 4644316 (1987-02-01), Takeuchi et al.

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