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6F11

Sensibly equivalent to:
CV1901
See also:
Ediswan Mazda 6F11 Box
    
Extras ▼

 

The 6F11 is a screened RF pentode. The B8A base is of the earliest type with a metal skirt, locating pip and base spigot
The Mazda trade name. The perforated bright metal cylinder is the screen.
The bright anode can be seen within the screen cylinder as can the suppressor grid just above the base skirt.
The thin glass tube envelope is 20 mm in diameter, and excluding the B8A base pins is 52 mm tall.
References: Datasheet & 1040. Type 6F11 was first introduced in 1948.

 

Pin Connections
B8A
1
2
3
4
5
6
7
8
h
a
s
g3
g2
g1
k
h

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.2
250
100
-1.8
4.4
1.35
2.8M
2.2
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 03, 2015.
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