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XG1-2500

Sensibly equivalent to:
MT57
    
Extras ▼

 

The XG1-2500 is a triode mercury vapour thyratron with a negative control characteristic. It was primarily designed for motor speed control and similar industrial applications.
The anode positive peak could be 1.0 kV and the negative peak 1.5 kV. At above 25 Hz the maximum anode current could be 15 Amp, below 25 Hz it had to be limited to 5.0 Amp. The heater voltage was between 4.5 and 5.5 Volts.
Apart from the ceramic insulator there is not much to see. The anode is a disc held from the top cap that sits within the top of the outer cylinder.
The classic envelope is 60 mm in diameter and, excluding the UX4 base pins, is 163 mm tall.
Reference: Data-sheet. Type XG1-2500 was first introduced in 1952. See also 1952 adverts.

 

Absolute Maximum Operating Conditions
The Thyratron
Va
1,000
PDF scanned from an original document held by the museum
Updated September 08, 2024.
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