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CV3986

Sensibly equivalent to:
6021 ECC70
See also:
The Touch of a Womans Hand
    
Extras ▼

 

The CV3986 is a special quality sub miniature double triode. The commercial Type designation is the 6021 and this also appears on the envelope.
The twin triode sections side by side in a tube with an outside diameter of 9 mm.
The side of one anode shows the heater entering the cathode tube.
The thin glass tube envelope is 9 mm in diameter, and excluding the B8D/F base pins is 34 mm tall.
Reference: Datasheet.

 

Pin Connections
1
2
3
4
5
6
7
8
a(2)
g1(2)
h
k(2)
k(1)
h
g1(1)
a(1)

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
6.3
0.3
165
-1
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated May 08, 2019.
shape:thin.glass.tube construction:all.glass type:double.triode age:1950.1960 base: heater:6.3v pin:1.a(2) pin:2.g1(2) pin:3.h pin:4.k(2) pin:5.k(1) pin:6.h pin:7.g1(1) pin:8.a(1)
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