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Information - Help 
ID = 77002
Brand: Ericsson, L.M. (LM), Stockholm
Developer: Ericsson, L.M. (LM), Stockholm 
Tube type:  Thyratron Cold-cathode 
Identical to RZC1021
Successor Tubes RZC1031  

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Industrial
Filament No heater

Trigger tube designed for telephone exchange use.

Dimensions (WHD)
incl. pins / tip
18 x 50 x mm / 0.71 x 1.97 x inch

Documents about this component
  Ericsson document that describes the telephone exchange application of this special cold cathode gas trigger tube. 1239 KB

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