(19)
(11) EP 0 058 336 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.05.1983 Bulletin 1983/19

(43) Date of publication A2:
25.08.1982 Bulletin 1982/34

(21) Application number: 82100710

(22) Date of filing: 02.02.1982
(84) Designated Contracting States:
CH DE FR GB LI SE

(30) Priority: 13.02.1981 US 234369

(71) Applicant: GENERAL ELECTRIC COMPANY
 ()

(72) Inventor:
  • Philipp, Herbert Reynold
     ()

   


(54) Zinc oxide varistor with reduced fringe current effects


(57) A zinc oxide varistor disc is provided with a reduced cross section in the vicinity of the rim to deter the transport of fringing current in the vicinity of the edges of the electrodes which are of a lesser diameter than the varistor disc. One emobodiment comprises a varistor disc having a plurality of grooves formed circumferentially around the disc perimeter.






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