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
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation 1 | 120 V | 12500 | — | 4.8 | 100 mA |
| Typical Operation 2 | 60 V | — | — | — | 150 mA |
| Typical Operation 3 | 150 V | — | — | — | 60 mA |
Application Notes
Forced air cooling is necessary to obtain the maximum bulb temperature rating.
Datasheets
Datasheet: 7236.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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