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ID = 29687
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Thyratron 
Identical to 5948A = 1754
Similar Tubes
Other shape (e.g. bulb type):
  5948B ; 5948C
Normally replaceable-slightly different:
  5948 ; CV3518 ; CX1140 ; CX1140LE

Base Wires Top contact with a cap.
Was used by Radar
Filament Vf 6.3 Volts / If 22 Ampere / Indirect

Hydrogen-filled thyratron designed for use as PFN switch in high-power radar modulators.
5-wire base. Built-in hydrogen reservoir capsule, filled with titanium hydride, drawing 11 amps at 2.5 to 5.5 volts.

  • 25 kV anode voltage
  • 33 A RMS cathode current, 1000 A peak

Also available in B and C versions with ceramic and modified glass envelopes.

Dimensions (WHD)
incl. pins / tip
125 x 400 x mm / 4.92 x 15.75 x inch
Weight 2100 g / 74.08 oz
Tube prices 1 Tube prices (visible for members only)
Information source -- Original-techn. papers.   
5948A: Private collection
Emilio Ciardiello

More ...
5948A: Manufacturer's Literature
Emilio Ciardiello

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