Tube-number record
7E5
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BrandSylvania
ClassHigh-Frequency Triode
BaseLoctal
Filament6.3 V @ 0.15 mA
Construction
Primary TypeTriode
EnvelopeT9
SectionsSingle
Filament / Heater
Heater NotesNominal rating; Max heater voltage 7.0V
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation4 W
Cathode Current16 mA
H-C Voltage90 V
Audio Performance
Power Output0.2 W
Key Features
- Lock-In construction
- Symmetrical arrangement of double grid and plate leads
- Designed for ultra-high frequency applications
- Signal source or local oscillator to 750 megacycles
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 180 V | 3000 | 120000 | 36 | 5.5 mA |
| Oscillator (200V) | 200 V | — | — | — | 11 mA |
| Oscillator (250V) | 250 V | — | — | — | 13 mA |
Application Notes
Useful power output can be obtained at frequencies of 400 megacycles and lower. Symmetrical lead arrangement facilitates UHF operation in double ended transmission line circuits.
Datasheets
Datasheet: 7E5.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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