EC70
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ClassSubminiature U.H.F. Triode
BaseDirect soldered leads
Filament6.3V @ 150mA
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 | 100V | 5500 | 3600 | 20 | 13mA |
| Oscillator at 500 Mc/s | 175V | - | - | - | 20mA |
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.
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