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GTE175M

 
    
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The GTE175M is a trigger tube for driving Dekatron counter tubes, or as a general purpose trigger.
The active electrodes. The anode is a single vertical rod. The trigger is on the right and appears to connect to the cathode plate. In fact there is a small gap between the trigger and the cathode plate.
The thin glass tube envelope is 18 mm in diameter, and excluding the B7G base pins is 34 mm tall.
Reference: Datasheet. Type GTE175M was first introduced in 1964.

 

Pin Connections
B7G
1
2
3
4
5
6
7
t
t
k
k
ic
k(2)
a

 

Absolute Maximum Operating Conditions
Indicator
Va
310
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated April 29, 2013.
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