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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

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
each section100 V54006500356.5 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

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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