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ID = 62607
Tube type:  Double Triode   Text 
Identical to CV5188 = 5687WA = CK5687WA = CV2578

Base Noval, 9 pin miniature (USA pico-9) B9A
Was used by Military and/or Government
Filament Vf 12.6 Volts / If 0.45 Ampere / Indirect / Specified voltage AC/DC

Dual triode for computer use. Cathode material assures low interface resistance even after prolonged cut-off conditions. Heaters can be series connected, 12.6V, 0.4A. Note the unusual base connections, with the heater center tap to pin 8 and the anode of second triode to pin 9.

Similar to CV2578, different test and screening procedures.

Information source -- Original-techn. papers.   
CV5188: Manufacturer's Literature
Emilio Ciardiello


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