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DET28

 
    
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The DET28 was designed as a Class C RF amplifier with an RF output of 35 Watts and a dissipation of 25 Watts. The drive for the rated output was 1 Watts. The DET28 was built for HF use up to 20 MHz
The side view is of the working anode shell. The fin in the centre is for cooling.
The MWT logo of M-OV was reserved for professional valves.
The glass disc base is close to the bottom mica thus reducing lead inductance.
The wide glass tube envelope is  mm in diameter, and excluding the B9G base pins is  mm tall.
Reference: 1040.

 

Pin Connections
B9G
1
2
3
4
5
6
7
8
9
tc
f
g1
ic
ic
ic
ic
g1
ic
f
a

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
7.7
1.15
600
-60
100
Updated April 14, 2013.
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