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1267

Sensibly equivalent to:
CV2174 G240/2D
See also:
Mullard 1267 Advert
    
Extras ▼

 

The Mullard 1267 is a cold cathode Thyratron. When conducting the voltage drop across the valve is 90 Volts. The discharge is initiated by a voltage on the trigger electrode.
See also CV2174
The top mica disc fits tight to the envelope. The visible ribbed cylinder is a screen. The working electrodes are within.
The wide glass tube envelope is 30 mm in diameter, and excluding the IO base pins, is 81 mm tall.
Reference: Datasheet. Type 1267 was first introduced in 1949.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
Base Shell
-
a
-
tr
ic
ic
k

 

Absolute Maximum Operating Conditions
Thyratron
Va
mAa
240
50
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated May 10, 2016.
shape:wide.glass.tube construction:pinch type:thyratron age:1950.1960 base:io pins:8 pin:1.base shell pin:2.- pin:3.a pin:4.- pin:5.tr pin:6.ic pin:7.ic pin:8.k
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