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KP-125

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ID = 45313
       
Country:
United States of America (USA)
Brand: USA - Tubes designated in the USA
Tube type:  INDICATOR, in general 
Identical to KP-125
Similar Tubes
Multiple differences or of other kind:
  6977

Base Subminiatur-8, with space 1/8, B8D
Filament Vf 1 Volts / If 0.03 Ampere
Description Indicator tube, designed as indicator for transistorized computers. Blue-green bar lights when control grid is at zero potential. Intended to replace the HV transistor and neon lamp combination. -3VDC on the grid cut-off plate current and light.
KIP Electronics Corp.
Similar to 6977, but differences are not known. 
Information source -- Original prospect or advert   Electronics, March 1957, pg.416


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