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6F1P

Sensibly equivalent to:
6Ф1П
    
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The 6F1P (Cyrillic 6Ф1П) is a triode pentode frequency changer for VHF television. Additionally the valve has uses in other sections of the receiver.
The construction is of rigid construction able to withstand shock and vibration and has a guaranteed service life of 3,000 hours - probably not aimed at the domestic market.
The 6F1P is pin compatible with the ECF80.
The Soviet Union logo.
The triode on the left with the pentode mounted at right angles to the triode grid axis. The two sections are separated by an electrostatic screen.
The thin glass tube envelope is 22 mm in diameter and, excluding the B9A base pins, is 46 mm tall.
Reference: Data-sheet.

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
a(t)
g1
g2
h
h
a
k,g3,s
k(t)
g1(t)

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.42
170
-2.0
10.0
4.5
0.4M
6.2
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated November 16, 2023.
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