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6S2B, 6S2B-V

6C2b, 6C2b-B

General

Triodes, used as an HF power amplifier.
Envelope: subminiature glass.
Mass 4.5 g.

Lead diagram

General characteristics:

Filament voltage, Volt 6.3
Anode voltage, Volt 150
Resistance in cathode circuit, Ohm 100
Filament (heater) current, mA 25025
Anode current, mA 11.54
Reverse grid current, mkA £0,2
Dissipate cathode-heater current, mkA £20
Mutual conductance, mA/V 9 to 14
Gain coefficient 5012
Equivalent noise resistance, Ohm 400 to 900
Vibration noise (at RA=2 kOhm), mV £120
Inter electrode capacitance, pF:  
input 7.51.5
output 4.51.5
transfer £0.25
Operation time of 6C2b, h ³500
Operation time of 6C2b-B, h ³1000

Limited operating values:

Filament voltage, V 5.76.9
Anode voltage, V 250
Grid voltage, V - 50
Cathode heater voltage, V 165
Cathode current, mA 40
Anode dissipation, W 2.5
Resistance in grid circuit, MOhm 1

Operating environmental conditions :

Acceleration of vibration loads, g 10
at the frequencies, Hz 5 to 2000
Acceleration of multiple impacts, g 150
Acceleration of single impact, g 500
Continuos acceleration, g 100
Ambient temperature, C 60 to +200
Relative humidity at up to 40C, % 98

Plate-grid and plate curves

Plate curvesPlate-grid curves