6J9P

Description

Russian high-frequency miniature pentode 6J9P (6ZH9P) tube with high slope, short anode-grid characteristic. The 6J9P electron tube is designed to operate in broadband high-frequency voltage amplification circuits. It is used in the input stages of general-purpose radio-electronic devices.
Works in any position. Base -9 pin.

Full analogue: E180F, 6688. Equivalent to the: CV3998, E186F, EF861, 7737

• Stamp of technical control department of the manufacturer ” ОТК “ 

Technical specifications: 

• Filament voltage 6.3 ± 0.6V
• Filament current 300 ± 30mA
• Nominal anode voltage (constant) 150V
• Anode voltage limit (constant) 250V
• Anode current 15 ± 4mA
• Cathode current limit 35mA
• Grid voltage first limit (constant) -100V
• Grid voltage second nominal (constant) 150V
• Second limit grid voltage (constant) 160V
• Second grid current no more than 4.5mA
• Third grid voltage (constant) 0V
• Power dissipated by the anode, maximum 3W
• Power dissipated by the second grid, maximum 0.75W
• Limit voltage between cathode and heater (constant):
  – at a negative heater potential of 150V
  – with a positive heater potential of 100V
• Characteristic slope 17.5 ± 3.5mA/V
• Electronic current cut-off voltage of the first grid is no more than -1.1V
• Internal resistance 0.15MOhm
• Equivalent tube noise resistance 350Ohm
• Input impedance at 60MHz 5kOhm
• Cathode resistance for auto bias 80Ohm
• Resistance in the first grid circuit is maximum 1MOhm
• Input capacitance 8.5 ± 1pF
• Output capacitance 3.0 ± 0.5pF
• Pass-through capacitance no more than 0.03 F
• Cathode-heater capacity no more than 7pf

The minimum operating time is not less than 2000 hours.