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CV1083

Sensibly equivalent to:
210VTP ARP13 CV3084 NR41 VP21 VP210 VP2 VR83
    
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The CV1083, formerly NR41 and VR83, is a vari-μ HF metallised pentode. The prototypes were the 210VPT and VP21.
The reverse is plain zinc loaded paint.
The top of the grid supports is covered by a screen. The anode connects to the top cap.
The classic envelope is 44 mm in diameter, and excluding the B7 base pins is 107 mm tall.
Reference: Data-sheet.

 

Pin Connections
B7
1
2
3
4
5
6
7
tc
m
g1
g3
f
f
nc
g2
a

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
2.0
0.1
150
80
0
2.9
0.75
0.6M
1.1
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated October 30, 2025.
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