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ID = 34380
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Thyratron   Text 
Identical to PL522 = 5C22

Base Jumbo 4-pin bayonet Top contact with a cap.
Was used by Radar
Filament Vf 6.3 Volts / If 10.6 Ampere / Half indirect

Hydrogen thyratron used to drive pulse forming networks in radar modulators.

This old proprietary Philips code was replaced by the registered code 5C22 from December 1954.

Dimensions (WHD)
incl. pins / tip
65 x 222 x mm / 2.56 x 8.74 x inch
Weight 280 g / 9.88 oz
Tube prices 1 Tube prices (visible for members only)
Information source - - Manufacturers Literature   
PL522: Private collection
Emilio Ciardiello

PL522: Philips Pocketbook
Christian Schaufelberger

PL522: Philips Handbuch
Heinz Höger

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