5651WA @ The Valve Museum

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5651WA

Sensibly equivalent^¶ to:

QS1212

See also:

SQ Voltage reference tubes

Extras ▼

Raytheon TNMoC The National Museum of Computing - Valves

The 5651WA is a small, special quality voltage stabiliser. The striking voltage is 115 Volts and the maintaining voltage is 86 Volts. For a tube current variation of 1.5 mA to 3.5 mA. The 5651 is essentially a voltage reference for use in a stabilised power supply.

The printed Raytheon logo.

The thin glass tube envelope is 18 mm in diameter and excluding the B7G base pins, is 47 mm long.

References: Data-sheet Type 5651WA was first introduced in 1948. See also 1948 adverts.

Pin Connections

B7G	1	2	3	4	5	6	7
	a	k	ic	k	a	ic	k

Absolute Maximum Operating Conditions^¶

Stabiliser	Va
	86

Thanks to Frank Philipse for supplying the above PDF datasheet.

Updated October 28, 2022.

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