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

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Tube-number record

7236

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BrandTung-Sol
ClassTwin Triode
BaseOctal
Filament6.3 V @ 2.4 mA

Construction

Primary TypeDual triode
EnvelopeT-12
Base MaterialSmall Wafer
Sections2

Filament / Heater

Heater NotesCoated Unipotential Cathode

Absolute Maximum Ratings

Plate Voltage300 V
Plate Dissipation15 W
Grid 1 Voltage100 V
Cathode Current190 mA
H-C Voltage100 V

Audio Performance

Key Features
  • Low mu double triode
  • Long life service
  • Power amplifier in computer service
  • Ability to pass large currents with a low voltage drop

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation 1120 V12500—4.8100 mA
Typical Operation 260 V———150 mA
Typical Operation 3150 V———60 mA

Application Notes

Forced air cooling is necessary to obtain the maximum bulb temperature rating.

Datasheets

Datasheet: 7236.pdf

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

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