Tube-number record
EC70
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ClassSubminiature U.H.F. Triode
BaseFlexible / flying leads
Filament6.3 V @ 150 mA
Construction
Primary TypeTriode
EnvelopeGlass Subminiature
SectionsSingle
Filament / Heater
Heater NotesDirect heater
Absolute Maximum Ratings
Plate Voltage175 V
Plate Dissipation3 W
Cathode Current22 mA
H-C Voltage100 V
Audio Performance
Power Output0.75 W
Key Features
- Subminiature
- U.H.F. Oscillator
- Direct soldered connections
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Characteristics | 100 V | 5500 | 3600 | 20 | 13 mA |
| Oscillator at 500 Mc/s | 175 V | — | — | — | 20 mA |
Application Notes
Valve may become very hot in operation and should be adequately cooled. A thermal clip to chassis is recommended to maintain bulb temperature around 100°C.
Datasheets
Datasheet: EC70.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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