SOVIET MILITARY 1C7S = DY30 = 1B3GT HV Pulce Rectifier Kenotron, SVETLANA Vacuum Tube 4pcs 1975

Tubes never used, old stock, made at SVETLANA Factory,
Full equivalent to the DY30 = 1B3GT
Date: all - 1975 same date
Lot of 4 tubes. TESTED

High-voltage kenotron 1C 7C with a directly heated oxide cathode.
Designed for rectification of horizontal scanning reverse pulses of television receivers and in special-purpose equipment.
Weight no more than 38 g.
Base Octal, Top contact with a cap.

Filament voltage, V 1,25
Filament current,A 0,18-0,22
Anode voltage, V 100
Anode current, A 0,004
Max. reverse anod voltage, KV 30

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