Tube-number record
17LD8
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BrandSylvania
ClassTriode-Pentode
BaseNoval (B9A)
Filament16.6 V @ 450 mA
Construction
Primary TypeMulti-section
EnvelopeT-9
Sections2
Filament / Heater
Heater NotesSeries operation
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation7 W
Grid 2 Voltage200 V
Grid 1 Voltage-150 V
Cathode Current70 mA
H-C Voltage200 V
Audio Performance
Key Features
- Series heater operation
- Triode-Pentode structure
- Vertical deflection service
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Section | 150 V | 1900 | 11300 | 21.5 | 8.5 mA |
| Pentode Section | 120 V | 7100 | 11700 | — | 46 mA |
Application Notes
Intended for vertical deflection oscillator and amplifier applications in television receivers.
Datasheets
Datasheet: 17LD8.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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