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PCL84

Sensibly equivalent to:
15DQ8
See also:
Valves and their Habits
    
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The PCL84 is a television triode and output pentode mainly for use as a video output stage. Within the envelope the triode section is quite small, about 2.5 mm thick and the anode cavity area is 18 mm x 7 mm. The output pentode is 11 mm front to back with a similar anode box area.
The thin glass tube envelope is 20 mm in diameter and excluding the B9A base pins it is 59 mm tall.
References: Datasheet & 1040

 

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

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pdiss
15
0.3
220
220
-3.3
18
3.2
0.15M
9.5
4.0W

 

Absolute Maximum Operating Conditions
Triode
Va
Vg
mAa
ra
gm
200
-1.7
3
16.2k
4
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated October 30, 2011.
shape:thin.glass.tube construction:all.glass type:triode.pentode age:1950.1960 base:b9a heater:300ma pins:9 pin:1.g1(t) pin:2.a(t) pin:3.k(t) pin:4.h pin:5.h pin:6.a pin:7.k.g3.s pin:8.g1 pin:9.g2
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