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The CV2692 is a gas-filled photocell that has a high sensitivity to the red end of the spectrum.

The half cylinder cathode.

The cathode coating has crazed. The rod anode is central.

The four base pins. These are solid as the socket is of the bayonet type.

A closer view of the anode and cathode surface.

The wide glass tube envelope is 25 mm in diameter, and excluding the UX4 base pins is 76 mm tall.

Reference: Data-sheet. Type CV2692 was first introduced in 1945. See also 1945 adverts.

Pin Connections

Absolute Maximum Operating Conditions^¶

Thanks to Frank Philipse for supplying the above PDF datasheet.