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185BT

Sensibly equivalent to:
CV1980
    
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The 185BT is television line output valve.
The cathode resistor should be 160 Ω and the positive anode surge is a maximum of 8,000 Volts. The anode maxium dissipation is 25 W and the screen maximum dissipation is 5.5 Watts.
The high voltage design can be seen in the ceramic insulators.
The classic envelope is 54 mm in diameter, and excluding the IO base pins is 122 mm tall.
References: 1039

 

Pin Connections
IO
1
2
3
4
5
6
7
8
tc
-
h
-
g2
g1
-
h
k
a

 

Absolute Maximum Operating Conditions
Beam Tetrode
Vh
Ah
Va
Vs
Vg
18.0
0.45
180
180
-
Updated February 27, 2011.
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