▼ Menu

V1111

Sensibly equivalent to:
CV1127 Pen46 VT127
    
Extras ▼

 

The Mazda V111 is a television line output pentode. The former service name was the VT127 and later it became the CV1127
The A M and crown of the UK Air Ministry.
The carbonised anode with the bright beam plate within. The central cathode and the screen grid are clearly visible.
Here the control grid can be seen close to the cathode. The valve does not have aligned grids and the pitch of the control grid is smaller than the screen grid.
The classic envelope is 53 mm in diameter, and excluding the MO base pins is 110 mm tall.
Reference: Data-sheet.

 

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

 

Absolute Maximum Operating Conditions
Beam Tetrode
Vh
Ah
Va
Vs
Pdiss
4.0
1.75
315
230
20W
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated August 25, 2020.
shape:classic construction:pinch type:beam.tetrode age:1930.1940 base:mo heater:4.0v pins:8 pin:1.h pin:2.k pin:3.- pin:4.g2 pin:5.g1 pin:6.- pin:7.- pin:8.h pin:tc.a
Return to Main Index