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ID = 50825
United States of America (USA)
Brand: Raytheon Mfg. Co.; Cambridge, MA
Developer: Raytheon Mfg. Co.; Cambridge, MA 
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to CK604A
Similar Tubes
Other shape (e.g. bulb type):

Base Wires only.
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect
Description Subminiature flat press RF pentode. T4-1/2 bulb, spray shielded. Electrode structure similar to 6AK5. Gm = 5mS. 
Information source -- Original-techn. papers.   MIT Rad. Lab. Vol.18
Tube Lore (I)   
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