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4313C

Sensibly equivalent to:
313C 3313C CV75 G150/1A PTT3003
    
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The 4313C is a cold cathode thyratron based on the 313C ITT (USA) design. STC being a subsidiary of the ITT and generally differentiating its Type designations from ITT by the addition of the 4 as a prefix.
The UK Government procurement specification was the CV75.
The electrodes with the trigger being seen as a diagonal wire.
The wide glass tube envelope is 28 mm in diameter, and excluding the UX4 base pins is 70 mm tall.
References: Datasheet & 1040.

 

Pin Connections
B4
1
2
3
4
g1
a
-
g1

 

Absolute Maximum Operating Conditions
Thyratron
Va
75
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated February 17, 2015.
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