1 X 6R3S-1 double beam tetrode tube SVETLANA. 1987. OTK. PCS 1
6R3S-1
double beam tetrode.
Designed for power amplification in low-frequency amplifiers.
Oxide indirect oxide cathode.
Works in any position.
Durability is not less than 1000 h.
Weight not more than 100 g.

main technical characteristics of 6R3S-1:
Nominal electrical data:
• Heating voltage, V ...... 6.3 ± 0.6; 12.6 ± 1.2
• Heating current, А ...... 2,1 ± 0,3; 1.05 ± 0.15
• Voltage at the anode, V ...... 350
• Voltage on the second grid, V ...... 200
• Voltage at the first grid, V ...... -22
• Current in the anode circuit, mA ...... 47.5
• Current in the circuit of the second grid, mA ...... 60
• Input capacity, pF ..... 13
• Output capacity, pF ..... 6
• Throughput capacity, pF ..... 0.3
Maximum permissible electrical quantities:
• highest voltage at the anode, V ... 600
• highest voltage on the second grid, V ....... 300
•  highest voltage on the first grid, V ....... -175
•  maximum power dissipated at the anode, W ... 20
• maximum power dissipated on the second grid, W ...... 7
• maximum power dissipated on the first grid, W ... 1
• highest current in the cathode circuit, mA ... 250
• highest voltage is the cathode heater, V ..... 100


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