EC71
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BrandMullard
ClassSubminiature U.H.F. Triode
BaseB8D/F
Filament6.3V @ 150mA
Construction
Primary TypeTriode
EnvelopeSubminiature
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage165 V
Plate Dissipation3.3 W
Grid 1 Voltage-55 V
Cathode Current22 mA
H-C Voltage200 V
Audio Performance
Key Features
- Medium-mu triode
- Subminiature construction
- Intended for use as an oscillator at frequencies up to 500Mc/s
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 100V | 5745 | 4700 | 27 | 8.5mA |
Application Notes
Direct soldered connections to the leads must be at least 5mm from the seal. Cooling may be required via metal clip heat sink to ensure satisfactory life.
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