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DEP240

 
See also:
Osram DEP240 Advert
    
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The DEP240 is a two volt audio output triode for use in battery equipment. When introduced it was described as a Super Power output valve with the new filament.
The identification is at the top of the dome and quite feint. The words at the top of the circle are Made in England.
The balloon envelope is 46 mm in diameter, and excluding the B4 base pins is 89 mm tall.
References: 3002 & 1043. Type DEP240 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
2.0
0.4
120
-24
17
3,000
1.16
Updated November 24, 2013.
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