Tube-number record
ECC70
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BrandMullard
ClassSubminiature Double Triode
BaseB8D / B8F
Filament6.3 V @ 300 mA
Construction
Primary TypeDual triode
EnvelopeSubminiature
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage165 V
Plate Dissipation1.1 W
Grid 1 Voltage-55 V
Cathode Current22 mA
H-C Voltage200 V
Audio Performance
Key Features
- Subminiature
- Medium-mu
- V.H.F. operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| each section | 100 V | 5400 | 6500 | 35 | 6.5 mA |
Application Notes
Direct soldered connections to leads must be at least 5mm from the seal. Any bending of leads must be at least 1.5mm from the seal. Adequate cooling via metal clip and heat sink is recommended.
Datasheets
Datasheet: ECC70.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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