Tube-number record
EC71
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BrandMullard
ClassSubminiature U.H.F. Triode
BaseB8D / B8F
Filament6.3 V @ 150 mA
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 | 100 V | 5745 | 4700 | 27 | 8.5 mA |
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.
Datasheets
Datasheet: EC71.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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