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POVT142

Sensibly equivalent to:
AU4A CV1039 NU17 VU39
See also:
CV1039 short entry
    
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The POVT142 is a UK Post Office designation and is not to be confused with the American VT series. It is clearly a full wave rectifier and is indirectly heated. In CV specifications the UK GPO valves are referred to as POVT and by the GPO by the VT no. notation.
The pinch with evacuation hole, filament, cathode and anode plates.
The electrodes are rigidly held in the top mica that is an interferance fit with the dome of the glass envelope.
The classic envelope is 45 mm in diameter, and excluding the B4 base pins is 102 mm tall.
Reference: Datasheet.

 

Pin Connections
B4
1
2
3
4
a(1)
a(2)
h,k
h

 

Absolute Maximum Operating Conditions
Rectifier
Vh
Ah
Va
mAa
4.0
2.5
500
120
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated April 03, 2015.
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