Tube-number record
18FY6A
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BrandSylvania
ClassHigh Mu Duo-Diode Triode
BaseMiniature 7-pin (B7G)
Filament18 V @ 100 mA
Construction
Primary TypeMulti-section
EnvelopeT-5 1/2
Sections3
Filament / Heater
Warm-up Time20s
Heater NotesControlled for heater warm-up time; range 94-106 mA
Absolute Maximum Ratings
Plate Voltage150 V
Plate Dissipation0.5 W
H-C Voltage100 V
Audio Performance
Key Features
- Miniature button 7-pin base
- Controlled heater warm-up time
- High mu triode
- Dual diodes for detection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 100 V | 1300 | 77000 | 100 | 0.6 mA |
Application Notes
Designed for detector-amplifier applications in AC/DC type radio receivers.
Datasheets
Datasheet: 18FY6A.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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