2FY5
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BrandSYLVANIA
ClassVHF TRIODE
BaseMiniature Button 7-Pin
Filament2.4V @ 600mA
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 | 135V | 13000 | - | 70 | 11mA |
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