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PL36


G8LSD Valve Collection
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Sensibly equivalent to:- 25E5  - 25F7
 
See also:
The PL36 in Pictures - Valves and their Habits - Mullard PL84, PCL85, PL36 & PY800 Advert
 
This exhibit was last updated on 01 February 2013
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The PL36 was designed as a line timebase output valve for television receivers.
The design dates to the 1950s, when sets were black and white and screen sizes of 14 - 17 inches diagonal were common. The PL36 was designed for driving the line deflection on 90° deflection angle tubes.
From a Mullard Press release in February 1956: The Mullard PL36 is an output pentode primarily designed for the line timebases of television receivers using picture tubes with a deflection angle of 90°, and 16 kV EHT. The new valve is octal based, and has a 25 V, 0.3 A heater, suitable for series operation.
The maximum positive peak voltage on the anode is 7 kV and the screen dissipation is up to 5 W.
The wide glass tube envelope is 28 mm in diameter and, excluding the IO base pins, is 90 mm tall.
References: Datasheet & 1040. Type PL36 was first introduced in 1954.
 
Pin Connections
IO
1
2
3
4
5
6
7
8
tc
-
h
-
g2
g1
-
h
k,g3
a
 
Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
mAa
mAs
Pdiss
25
0.3
170
170
100
8.0
10.0W

Thanks to Frank Philipse for supplying the above PDF datasheet
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