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6J6

Sensibly equivalent to:
CV858 ECC91
    
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The 6J6 miniature double triode was used for VHF signal amplification. The construction has a common flattened tube cathode, with the control grids either side. The anodes are U channel sections either side of the central cathode.
The cathode tube is coated on only part of the length and the grids and anode extend beyond the emissive area.
The control grids are close wound and pass flat across the cathode.
The thin glass tube envelope is 18 mm diameter and 46 mm high excluding the B7G base pins.
References: Datasheet & 1040. Type 6J6 was first introduced in 1956.

 

Pin Connections
B7G
1
2
3
4
5
6
7
a(2)
a(1)
h
h
g(1)
g(2)
k

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.45
100
-0.85
8.5
7100
5.3
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated October 14, 2019.
shape:thin.glass.tube construction:all.glass type:double.triode age:1950.1960 base:b7g heater:6.3v pins:7 pin:1.a(2) pin:2.a(1) pin:3.h pin:4.h pin:5.g(1) pin:6.g(2) pin:7.k
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