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The CV248 photocell is designed to operate with 160 Volts on the anode and was based on the commercial GS16.

Construction is a photosensitive semi-circular cathode with a rod anode at its centre all mounted on a conventional pinch.

The KB/D identifies this valve as being made to specification K1001 or K1006, the B denotes qualification by a UK authority and the D identifies the maker as Mullard Radio Valve Co., Mitcham.

The thin glass tube envelope is 25 mm in diameter, and excluding the B4 base pins is 57 mm tall.

Reference: Data-sheet.

Pin Connections

Absolute Maximum Operating Conditions^¶

Thanks to Frank Philipse for supplying the above PDF datasheet.