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Your position: Home / Electron Tubes / Thyratrons
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L-4885 Thyratrons Equivalent to model E2V CX1140,PerkinElmer 1802 ,EIA 7322

Thyratrons use deuterium as arc discharge dielectric,which have the advantages of high working voltage,high pulse current,quick and steady fire lighting,low trigger voltage,high efficiency,long life,light weigh,small size,easy for
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Application：
thyratrons are widely used in scientific research,medical treatment and industry such fields,which include laser instruments,radar,pulse modulator,medical linear accelerator,tommy bar protection and other electric instruments and equipments.

Anode Parameter 
Peak forward anode voltage： 25kV 
Peak inverse anode voltage： 25 kV 
Peak anode current： 1000A 
Average anode current： 1.25A 
Rate of rise of anode current： 5000A/µs 
Plate breakdown factor： 12.5×10(9)VApps 
Maximum pulse power： 12.5MW 

Grid drive 
Unloaded grid drive pulse voltage： 500V～1500V 
Grid pulse duration： 2µs 
Rate of rise of grid pulse： 2kV/µs (min) 
Peak inverse grid voltage： 450V(max) 
Forward impedance of grid circuit： 50Ω～400Ω

Heater 
Cathode heater voltage： 6.3V±8%V ac 
Cathode heater current： 12A～18.5A 
Reservoir heater voltage： 6.3V±8%V ac 
Reservoir heater current： 3A～6A 
Minimum heater time： 10min 

Mechanical 
Mounting position： Any 
Dimension： See outline 
Cooling way： Forced-air 

Cross reference 
L-3： L-4885 
Perkin Elmer： 1802 
E2V： CX1140 
Triton： 7322 



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