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6CW7

Sensibly equivalent to:
6L16 ECC84
See also:
Valves and their Habits
    
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The ECC84 is a VHF double triode. On this British Made example from Mullard is also the second Type designation of 6CW7.
Apart from the heater it is electrically equivalent to the PCC84. The ECC84 was designed as a cascode low noise RF amplifier.
The small triode sections within the envelope.
One triode showing the grid with the dark screen in the foreground.
Another view.
The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 48 mm tall.
References: data-sheet & 1040

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
k(2)
g1(2),s(2)
a(2)
h
h
g(1)
k(1)in
k(1)out
a(1)

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.335
90
-1.5
12
4000
6
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated July 16, 2020.
shape:thin.glass.tube construction:all.glass type:double.triode age:1950.1960 base:b9a heater:6.3v pins:9 pin:1.k pin:2.g1.s pin:3.a pin:4.h pin:5.h pin:6.g pin:7.kin pin:8.kout pin:9.a
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