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

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	200±20	200±20
Anode current, mA	9±2.7	9±2.5
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	3.3±0.65	3.3±0.65
output	3.5±0.9	3.5±0.9
transfer	£1.42	£1.42
Operation time, h	³500	³2000
Operation time in pulsed mode, h		³500

Type	6S6B 6S6B-I	6S6B-V 6S6B-VI
Filament voltage, V	5,7—6.9	5,7—6.9
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

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, °Ñ	–70 to +90	–60 to +200
Relative humidity at up to 40°C, %	98	98

Plate curves	Plate-grid curves