DC70
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BrandMullard
ClassU.H.F. TRIODE
BaseBBD/F Base
Construction
Primary Typetriode
Envelopesubminiature
Base Materialglass
Sectionssingle
Filament / Heater
Materialdirectly heated
Absolute Maximum Ratings
Plate Voltage150 V
Plate Dissipation2.4 W
Grid 1 Voltage-80 V
Cathode Current20 mA
Audio Performance
Power Output1.4 W
Key Features
- Subminiature
- UHF oscillator
- Battery-operated equipment
- Directly heated filament
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Characteristics | 150V | 3750 | 4000 | - | 14.5mA |
| Oscillator 500Mc/s | 150V | - | - | - | 18.7mA |
Application Notes
Primarily intended for use in communications equipment of the 'push to talk' type. Continuous life rating is relatively short (approx 200 hours). Direct soldered connections must be at least 5mm from the seal.
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