Tube-number record
17EW8
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BrandRogers
ClassDouble Triode
BaseNoval (B9A)
Filament17.5 V @ 150 mA
Construction
Primary TypeDual triode
EnvelopeT 6-1/2
Sections2
Filament / Heater
Heater NotesSeries heater supply
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2.5 W
Grid 1 Voltage-100 V
Cathode Current15 mA
H-C Voltage90 V
Audio Performance
Key Features
- Double triode
- R.F. amplifier
- Self-oscillating mixer
- Unipotential cathode
- Internal shield
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Amplifier | 100 V | 4600 | — | 50 | 4.5 mA |
| RF Amplifier | 170 V | 6200 | — | 50 | 10 mA |
| RF Amplifier | 200 V | 5800 | — | 48 | 10 mA |
Application Notes
Specifically designed for use as an R.F. amplifier and self-oscillating mixer in FM/AM receivers.
Datasheets
Datasheet: 17EW8.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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