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POVT206

Sensibly equivalent to:
NU33 SU2150A VU120
    
Extras ▼

 

The POVT206 (VT206 on the envelope) is the UK GPO designation for the VU120. The CV register refers to Post Office valves as POVTxxx.
The maximum reservoir capacitor is 0.25 µF, and the minimum series resistance is 10 kOhms.
The anode cylinder is held in glass supports and connected to the top cap.
The cathode is held in place with two supports in parallel to the top mica. The anode is made of very thin sheet that is folded and shaped into a cylinder with side fixing flanges.
The classic envelope is 47 mm in diameter at its widest and excluding the B4 base pins the valve is 111 mm high.
References: Private communication, 1040 & 1043.

 

Pin Connections
B4
1
2
3
4
tc
-
-
h,k
h
a

 

Absolute Maximum Operating Conditions
Rectifier
Vh
Ah
Va
mAa
2.0
1.5
5000
10
Updated October 10, 2013.
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