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National Electronics 623 (NL-623) mercury rectifier.

623 size The valve measures approx. 100x200mm and weighs 200g.

Equivalent to the CE-203, Vf 2.5V/20A, 500V PIV @ 15A.

The base carries the wording: NL-623 National Electronics Inc, Geneva, Ill., U.S.A. and the number 7240

623
623 internals
623 internals 623 internals

This file was last modified 15:37:34, Saturday November 12, 2011