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CV1021

Sensibly equivalent to:
210LF 210LP AR9 D210 HLB1 VR21
    
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The CV1021 was originally called the VR21.
Reference: Datasheet.

 

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

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
2
0.1
120
-6
7.5
7000
1.6
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated April 03, 2015.
shape:balloon construction:pinch type:triode age:1920.1930 base:b4 heater:2.0v pins:4 pin:1.a pin:2.g1 pin:3.f- pin:4.f+
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