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PL-4D21A

Information - Help 
ID = 57010
       
Country:
United States of America (USA)
Brand: Penta Laboratories; Chatsworth (CA)
Tube type:  Transmitting Tetrode, air cooled   VHF 
Identical to PL-4D21A
Similar Tubes
Other characteristic (electr. data):
  PL-4D21

Base Giant 5 pin medium shell B5D Top contact with a cap.
Filament Vf 5 Volts / If 6.5 Ampere / Direct

pl_4d21a_so.png PL-4D21A: ARRL Handbook 1972
Anonymous 10 Collector


Just Qvigstad
pl4d21a_spec.png
PL-4D21A: Manufacturer's Literature
Anonymous 15 Collector

 
pl_4d21a.png

 

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