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Tube Database (7,341 tube types · 1,270 archive entries)

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Tube-number record

6846

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BrandSylvania
ClassBinary Counter Tube
BaseMiniature 7-pin (B7G)

Construction

Primary TypeOther / special
EnvelopeMiniature
SectionsBinary

Filament / Heater

Absolute Maximum Ratings

Plate Voltage400 V
Cathode Current0.8 mA

Audio Performance

Key Features
  • Rugged
  • Low cost
  • Cold cathode
  • Four electrodes
  • Gaseous medium

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Binary Counter400 V———0.5 mA

Application Notes

To change the frequency range it is best to vary the cathode capacitance and leave the cathode resistance fixed in order to maintain approximately equal output voltages. Maximum frequency is obtained with a square wave or sine wave input. Like all counter tubes the anode resistor should be soldered directly adjacent to the socket to minimize anode to cathode capacitance.

Datasheets

Datasheet: 6846.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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