Tube-number record
2FY5
0 archive entries
BrandSYLVANIA
ClassVHF TRIODE
BaseMiniature 7-pin (B7G)
Filament2.4 V @ 600 mA
Construction
Primary TypeTriode
EnvelopeT-5 1/2
SectionsSingle
Filament / Heater
Heater NotesWarm-up time 11 seconds
Absolute Maximum Ratings
Plate Voltage200 V
Plate Dissipation2.2 W
Grid 1 Voltage-50 V
Cathode Current20 mA
H-C Voltage100 V
Audio Performance
Key Features
- Remote cutoff
- Partial shield between grid and plate
- Low input capacitance
- Higher input impedance
- Dual cathode leads
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 135 V | 13000 | — | 70 | 11 mA |
Datasheets
Datasheet: 2FY5.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results