50 pcs lot 6J4 / 6Ж4 Svetlana tubes NOS NEW same date = 6ac7 vt112 1852 6aj7
50 pcs lot 6J4 / 6Ж4 Svetlana tubes NOS NEW same date = 6ac7 vt112 1852 6aj7
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6J4 6Ж4 (6AC7,1852) NEW NOS SVETLANA HF PENTODE Vacuum tubes METALL BASE
50 pcs lot 6J4 / 6Ж4 Svetlana tubes NOS NEW same date = 6ac7 vt112 1852 6aj7
Made in USSR Same Batch
Rated electrical data:
• Tension of heat, V 6,3
• Anode voltage, V 300
• Voltage on the second grid, V 150
• Voltage on the third grid, V 0
• Resistance in the cathode circuit for automatic bias, Ohm 160
• Filament current, mA 450 ± 25
• Current in the anode circuit, mA 10.25 ± 2.25
• Current in the circuit of the second grid, mA 2.2 ± 1.0
• The steepness of the characteristics, mA / V 9.0 ± 2.0
• Internal resistance, mOhm 3
• Input impedance at frequencies 45-60 MHz, ohms about 2600
Maximum permissible electrical quantities:
• The highest filament voltage, V 7
• The lowest voltage on the heat, V 5.7
• The greatest tension on the anode, V 330
• The highest voltage on the second grid, V 165
• Maximum power dissipated at the anode, W 3.3
• Maximum power dissipated on the second grid, W 0.45
• The greatest constant voltage between the cathode and the heater, V 100
• Maximum leakage current between the cathode and the heater, µA 20
NOTE:
Returns
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