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ID = 81317
United States of America (USA)
Brand: Eimac (brand name)
Tube type:  Transmitting Triode, air cooled 
Identical to Y-678
Similar Tubes
Different connections:

Filament Vf 6.3 Volts / If 2.25 Ampere

Is a ceramic and metal construction planar triode designed for use in airborne, ground and space applications as a grid or plate pulsed oscillator, amplifier, or frequency multiplier. Same as Y-670 but this has solder tabs.


Information source -- Original-techn. papers.   



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