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PT2C

 
    
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The PT2C from Radio Record is a battery output pentode. The anode load should be 14 kΩ and the output is 1.0 W.
The bright anode. The filament tension spring is seated on a second mica.
The B5 base pins.
Thanks to Mark Mallison for sending the images.
The classic envelope is  mm in diameter, and excluding the B5 base pins is  mm tall.
Reference: 1043.

 

Pin Connections
B5
1
2
3
4
5
a
g1
f(-),g3
f(+)
g2

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
2.0
0.26
150
150
-12.0
28.0
-
6k
2.0
Updated October 13, 2019.
shape:classic construction:pinch type:pentode age:1930.1940 base:b5 heater:2.0v pins:5 pin:1.a pin:2.g1 pin:3.f(-).g3 pin:4.f(+) pin:5.g2
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