6P14P
Low-frequency output pentode in a glass finger version.
Designed to amplify low-frequency power in general-purpose radio-electronic equipment.
The output pentode 6P14P is used in output single-cycle and push-pull circuits of receivers and low-frequency amplifiers.
Works in any position.
Produced in a glass finger design.
Indirectly heated oxide cathode.
9-pin base with button bottom.
Pin arrangement: RSH8.
Overall dimensions of pentode 6P14P:
- tube height - 78 mm;
- tube diameter - 22.5 mm.
Weight no more than 20 g.
Operating time not less than 3000 hours.
Foreign analogues of the 6P14P lamp: EL84, E84L, N709, 6BQ5, 6L40, 6P15, 7189, 7189A, 7320.
Technical characteristics and electrical parameters of the lamp 6P14P:
Filament voltage 6.3 ± 0.6 V
Filament current 760 ± 60 mA
Anode voltage nominal (constant) 250 V
Anode voltage limit 300 V
Anode current 48 ± 8 mA
Cathode current limit 65 mA
Grid voltage second nominal (constant) 250 V
Grid voltage second limit (constant) 300 V
Second grid current no more than 7 mA
Power dissipated by the anode, limit 14 W
Power dissipated by the second grid, limit 2 W
The voltage between the cathode and the heater limit (constant) 100 V
Slope 11.3 mA/V
The gain in the triode connection is about 20
Internal resistance 30 kΩ
Cathode resistance for automatic bias 120 Ω
Input capacitance about 11 pF
Output capacitance about 7pF
Capacitance pass approx. 0.2 pF
Characteristics of the dependence of the currents of the anode and the second grid on the voltage on the anode at a voltage on the second grid of 250 V
The fifth additional optional letter element in the main designation is always entered with a hyphen. It characterizes any special operational properties of the lamp. Usually achieved by thicker structural elements inside the lamp bulb or additional stops.
B - lamps of increased reliability and mechanical strength;
D - dumps of special durability with a guaranteed operating time of more than 10,000 hours;
E - high-durability lamps with a guaranteed operating time of more than 5000 hours;
I - lamps designed to operate in a pulsed mode; characterized by increased emissivity of the cathode;
K - lamps with high vibration resistance;
R - lamps of special reliability and mechanical strength;
EB - lamps of increased reliability, mechanical strength and durability;
DR - lamps of special reliability, mechanical strength and durability.
