Tube-number record
ECC85
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ECC85 is a tube type in the TubeDatabase archive (class: Double Triode). Recorded specifications: brand PHILIPS, construction Dual triode, socket Noval (B9A), maximum plate voltage 300 V, and maximum plate dissipation 2.5 W. The archive does not yet hold a photographed example of this type.
BrandPHILIPS
ClassDouble Triode
BaseNoval (B9A)
Filament6.3 V @ 435 mA
Construction
Primary TypeDual triode
EnvelopeGlass
Sections2
Filament / Heater
Heater NotesIndirect heating by A.C. or D.C.; parallel supply
Absolute Maximum Ratings
Plate Voltage300 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Static Characteristics | 250 V | 5900 | — | 57 | 10 mA |
| RF Amplifier in FM/AM Receivers | 230 V | 6000 | 9700 | — | 10 mA |
| Self-oscillating Mixer in FM/AM Receivers | 250 V | 2300 | 22000 | — |
Application Notes
Commonly used as R.F. amplifier and self-oscillating mixer in F.M. and A.M. receivers.
Datasheets
Datasheet: ECC85.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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