The U31 half wave rectifier was designed for series heater use.

The maximum reservoir capacitor specified is 32 µF and the minimum effective series resistance has to be 100 Ohms.

See Also U31.

The classic envelope is 44 mm in diameter, and excluding the IO base pins, is 99 mm tall.

 
Pin Connections

IO	1	2	3	4	5	6	7	8
	ic	h	-	-	a	-	h	k

 
Absolute Maximum Operating Conditions

Rectifier	Vh	Ah	Va	mAs
	26	0.3	250	120

Thanks to Frank Philipse for supplying the above datasheet

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This exhibit was last updated on 12 June 2007 {find valves by name}