NOS 5C4S KENOTRON Soviewt RECTIFIER TUBE "KOBRA".
Four tubes in one lot.
Tested on L3-3 tester.
We ship via International Airmail.
Tracking number is provided.

General characteristics:
Name: 5C4S
Heater voltage, V: 5
Variable effective stress of the secondary winding of the transformer, V: 2х500
Resistance in the anode circuit, Ohm : 4700
Capacitor filter, uF: 5
Heater current, A: 2
The rectified current, mA: 122
The rectified current when the heater voltage 4.5 V, mA: 100

Maximum characteristics:
Most heater voltage, V: 5.5
The smallest heater voltage, V: 4.5
The greatest amplitude of the reverse voltage of the anode, in: 1350
The highest average value of the rectified current, mA: 125
The greatest amplitude of anode current, mA: 375


  • Important notice for buyers from Canada -shipping to central and western provinces of Canada may take up to 2 months! 
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Some minor delays in the delivery may happen.