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CV1657

Sensibly equivalent to:
3A/108B 4020B POVT79A
    
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The CV1657 is a directly heated triode based on the 4020B. The old GPO code is POVT79A.
Reference: Data-sheet.

 

Pin Connections
B4
1
2
3
4
a
g1
f-
f+

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
ra
gm
μ
2.0
0.2
150
50k
0.6
30
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated October 29, 2017.
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