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6F1

Sensibly equivalent to:
CV3841
    
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The 6F1 is an amplifying pentode. Mazda used a locating spigot for the B8A base, Mullard moved to a locating pip for the B8A valves.
The thin glass tube envelope is 20 mm in diameter and, excluding the B8A base pins and spigot is 52 mm tall.
References: Datasheet, 3002 & 1040. Type 6F1 was first introduced in 1950.

 

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

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.35
200
200
-1.8
10
2.6
0.9M
9.0
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 30, 2013.
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