6J11P-E (original box)

The 6J11P-E (6Zh11P-E / 6Ж11П-Е rus.) high-frequency miniature pentode of increased durability with a short anode-grid characteristic. Designed for operation in high-frequency broadband voltage amplification circuits. Indirectly heated oxide cathode. Base – 9-pin.

Equivalent to tubes: E280F, E180F, 6688.

E – characterizing the increased durability of the tube

Technical specifications:

• Filament voltage: 6.3 ± 0.6V
• Filament current: 440 ± 40mA
• Anode voltage nominal (constant): 150V
• Anode voltage limit (constant): 150V
• Anode current: 25 ± 7.5mA
• Cathode current limit: 40mA
• Grid voltage second nominal (constant): 150V
• Grid voltage second limit (constant): 150V
• Grid current second: 7.5mA
• Third grid voltage (constant): 0V
• Power dissipated by the anode, limiting: 4.9W
• Power dissipated by the second grid, limit: 1.15W
• The voltage between the cathode and the heater limit (constant): 100V
• Slope: 28 ± 7mA/V
• Internal resistance: 36kOhm
• Input impedance: 1.5kOhm
• Cathode resistance for automatic bias: 50Ohm
• Resistance in the grid circuit of the first limit: 0.3MOhm

The minimum operating time is not less than 5000 hours.