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RL12T1

 
    
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The RL12T1 is an indirectly heated short wave triode with a 12.6 Volt heater and intended for operation in the low UHF region.
It was made for the German Wehrmacht and so was intended for military communications.
The internal coating on the glass obscures the inner details.
The base is of hard glass.
The thin glass tube envelope is 16 mm in diameter and, excluding the De6 base pins, is 54 mm tall.
Reference: Datasheet. Type RL12T1 was first introduced in 1937.

 

Pin Connections
De6
1
2
3
4
5
6
a
g1
k
h
h
-

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
mAa
12.6
0.06
150
30
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated August 21, 2019.
shape:thin.glass.tube construction:all.glass type:triode age:1930.1940 base:de6 heater:12.6v pins:6 pin:1.a pin:2.g1 pin:3.k pin:4.h pin:5.h pin:6.-
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