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DEH612

 
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The Dawn of Broadcasting in the UK
    
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The Osram DEH612 is is a dull emitter triode for general purpose applications.
The valve has the Type designation lettering etched into the glass as well as the Osram Valve logo.
See also DEH612 for a slightly later version.
The balloon envelope is 56 mm in diameter, and excluding the B4 base pins is 95 mm tall.
Reference: 1043. Type DEH612 was first introduced in 1927.

 

Pin Connections
B4
1
2
3
4
a
g1
f
f

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.0
0.1
150
-
-
33,000
0.6
Updated May 12, 2016.
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