6P41S ~7868 Soviet NEVZ Output Beam Tetrode Vacuum Tube NEW 2pcs 1970's

Tubes never used, old stock, made at "NEVZ" Novosibirsk Factory in USSR
Equivalent to the ~ 7868
date: 1974, 1977
Lot of 2 tubes, TESTED

REAL PHOTO!

Output beam tetrode.
It is intended for operation in blocks of personnel and line scanning of television devices, power amplifiers and oscillators.
Durability is not less than 2000 h.
Weight not more than 36 g.
The location of the pins of RSh24-1.

The main technical characteristics of 6P41S:
Nominal electrical data:
• Heating voltage, V ...... 6.3 ± 0.6
• Heating current, А ...... 1,1 ± 0,1
• Voltage at the anode, V ...... 190
• Voltage on the second grid, V ...... 190
• Resistance in the cathode circuit, Ohm ...... 300
• Current in the anode circuit, mA ... 66 ± 10
• Current in the circuit of the second grid, mA ...... no more than 32
• Steepness of the characteristic, mA / V ...... 8,4
• Internal resistance, kΩ ..... 12
• The current of the first grid is reverse, μA ...... not more than 1

Maximum permissible electrical quantities:
• The highest voltage at the anode, V ....... 400
• The highest voltage on the second grid, V ....... 350
• The maximum power dissipated at the anode, W ... 14
• The maximum power dissipated on the second grid, W ...... 3
• The highest current in the anode circuit, mA ... 100
• The highest voltage at the anode when the lamp is locked, V ....... 2500
• The highest voltage on the second grid when the lamp is locked, V ....... 550
• The highest voltage cathode heater, V ..... 100

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