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The CV490 is a high power rectifier with the specification based on the VX6021.

This exhibit has no manufacturers markings only the CV Type code.

For details on the CV490 See exhibit 19H5.

The wide glass tube envelope is 57 mm in diameter and, excluding the base pins, is 234 mm tall.

Reference: Data-sheet. Type CV490 was first introduced in 1954. See also 1954 adverts.

Absolute Maximum Operating Conditions^¶

Thanks to Frank Philipse for supplying the above PDF datasheet.