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6P18P

(6n18n)

General
Pentode
, used in output stages of frame scan TV block.
Envelope: miniature glass.
Mass 20 g.

Lead diagram

General characteristics:

Filament voltage, Volt 6.3
Anode voltage, Volt 180
2nd grid voltage, Volt 180
Resistance in cathode circuit, Ω 110

Filament (heater) current, mA 76060
Anode current, mA 539
Reverse 1st grid current, mkA no more than 1
2nd grid current, mA 8 to 8.25
Mutual conductance, mA/V 112.2
Output power, W 3 to 2.2
Inter electrode capacitance, pF:  
input 11.5
output 6
transfer no more than 0.2
Operation time, h ³ 5000

Limited operating values:

Filament voltage, V 5,7-7
Anode voltage, V 250
Pulse anode voltage, V 2500
2nd grid voltage, V 250
Cathode - heater voltage, V 100
Cathode current, mA 75
Anode dissipation, W 12
2nd grid dissipation, W 2.5

Operating environmental conditions :

Acceleration of vibration loads, g 2.5
by frequencies, Hz 50
Ambient temperature, -60 to +70
Relative humidity at up to 40C, % 98

Plate and plate-grid curves