8414
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BrandSYLVANIA
ClassPentode
BaseSubminiature Button Flexible Leads
Filament26.5V @ 45mA
Construction
Primary Typeframe grid sharp cutoff pentode
EnvelopeT-3
SectionsSingle
Filament / Heater
Heater NotesDesigned for plate operation at 26.5V
Absolute Maximum Ratings
Plate Voltage55 V
Grid 2 Voltage55 V
Grid 1 Voltage-55 V
Cathode Current10 mA
H-C Voltage100 V
Audio Performance
Key Features
- Frame grid
- High transconductance
- Low grid to plate capacitance
- Shock resistant
- Vibration resistant
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| VHF RF/IF Amplifier | 26.5V | 5000 | 50000 | - | 4.5mA |
Application Notes
Well suited to VHF RF and IF amplifier and mixer service at 26.5-V heater and plate operation. Designed for operation under conditions of severe shock, vibration, high temperature and high altitude.
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