Product details
The best Soviet dual mini triode 6N28B-V.
The tubes are new and have never been used.
Four tubes in one lot.
Increased mechanical strength and durability.
Dual ultra-miniature vibration-resistant triode of increased reliability.
Designed to amplify low frequency voltage and generate high frequency oscillations.
6.3 V filament voltage
Glow current 0.25 A
Anode voltage 50 V
Anode Current 7 mA
Grid voltage -1 V
Slope 6.75 mA / V
Gain 22
Interelectrode capacitances of a tube 6N28B
Input 3.3 pF
Output 2.2 pF
Feed-through 2 pF
Between anodes 0.1 pF
Maximum operating data of tube 6N28B:
The highest voltage of the anode is 150 V
Maximum power dissipated by the anode 0.9 W
• The highest voltage on the anode with the lamp locked, V 300
• The voltage in the grid circuit is negative, V -150
• The highest current in the cathode circuit, mA 15
• The highest voltage of the cathode-heater, V 150
• The highest resistance in the grid circuit, mOhm 2
