">

6S6B, 6S6B-V, 6S6B-I, 6S6B-VI

General

Triodes, used as an low frequency amplifier and high frequency (to 500 MHz) oscillator.
Envelope: subminiature glass.
Mass 3.5 g.

Lead diagram

General characteristics:

Filament voltage, Volt 6.3
Anode voltage, Volt 120
Resistance in cathode circuit, Ω 220

Type 6S6B
6S6B-I
6S6B-V
6S6B-VI
Filament (heater) current, mA 20020 20020
Anode current, mA 92.7 92.5
Reverse grid current, mkA £0,2 £0,2
Current of cathode emission in pulse, A
(if used as diode, at UA, pulse=200V)
≥0.8
for 6C6B-I only
≥0.8
for 6C6B-VI only
Dissipate cathode-heater current, mkA £20 £20
Mutual conductance, mA/V 4 to 6.3 4.2 to 6.5
Gain coefficient 20 to 27 20 to 30
Input resistance (at freq.=50MHz), kΩ ≥12 8 to 16
Vibration noise (at RA=2 kΩ), mV £100 £100
Inter electrode capacitance, pF:    
input 3.30.65 3.30.65
output 3.50.9 3.50.9
transfer £1.42 £1.42
Operation time, h ³500 ³2000
Operation time in pulsed mode, h   ³500

Limited operating values:

Type 6S6B
6S6B-I
6S6B-V
6S6B-VI
Filament voltage, V 5,76.9 5,76.9
Anode voltage, V 250 250
Grid voltage, V - - 50
Cathode heater voltage, V 150 150
Cathode current, mA 14 14
Cathode current in pulse, mA 0.8 0.8
Anode dissipation, W 1.4 1.4
Grid dissipation, W - 0.1
Resistance in grid circuit, MΩ 1 1
Frequency of generation, MHz 500 500

Operating environmental conditions :

Type 6S6B
6S6B-I
6S6B-V
6S6B-VI
Acceleration of vibration loads, g 10 10
at the frequencies, Hz 10 to 300 5 to 600
Acceleration of multiple impacts, g - 150
Acceleration of single impact, g - 500
Continuos acceleration, g 25 100
Ambient temperature, 70 to +90 60 to +200
Relative humidity at up to 40C, % 98 98

Plate-grid and plate curves

Plate curvesPlate-grid curves