The U50 is a directly heated full wave rectifier, with inverted v's of coated tape as filaments.

The maximum reservoir capacitance is 32 µF and minimum series resistance is 100 Ohms.

The classic envelope has a maximum diameter of 42 mm and excluding the IO base pins the overall height is 98 mm.

 
Pin Connections

IO	1	2	3	4	5	6	7	8
	-	f	-	a(2)	-	a(1)	-	f

 
Absolute Maximum Operating Conditions

Rectifier	Vh	Ah	Va	mAa
	5.0	2.0	350	120

Thanks to Frank Philipse for supplying the above datasheet

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