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7035

Sensibly equivalent to:
4X150D CV3991
    
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The 7035 or 4CX150D beam tetrode is a VHF/UHF RF power output valve and has the same parameters as the 4X150A except that the heater is designed for 26.5 Volts.
The spigot connects to the control grid g1 the base ring to the screen grid g2 and the finned top section (radiator) to the anode. The base is a glass disc with pins protruding through. The evacuation seal is covered by a central metal spigot.
The silver plated fins are contained in an outer ring, and in use air would be forced over the fins for anode cooling. A special base and chimney were designed for the purpose.
The co-axial envelope is 33 mm in diameter and, excluding the B8F base pins, is 46 mm tall.
Reference: Data-sheet.

 

Pin Connections
B8F
1
2
3
4
5
6
7
8
tc
g2
k
h
k
nc
k
h
k
a

 

Absolute Maximum Operating Conditions
Tetrode
Vh
Ah
Va
Vs
mAa
Pout
freq
f.max
26.5
0.58
1250
300
150
195
165
500
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 07, 2022.
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