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PCC89

Sensibly equivalent to:
4021 7FC7
See also:
Valves and their Habits - The PC97 - a tutorial
    
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The PCC89 is a high gain, Band III VHF, frame grid double triode for the front-end of domestic television receivers.
The effective working area of the anode is confined to the depressed section. The rest of the anode is concerned with heat removal and dissipation.
The thin glass tube envelope is 20 mm in diameter, and excluding the B9A base pins, is 47 mm tall.
References: Datasheet & 1040. Type PCC89 was first introduced in 1959.

 

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
7.5
0.3
90
-1.2
15
2900
12.3
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 10, 2016.
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