SHARP CUT-OFF RF PENTODE
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BrandSylvania
ClassPentode
BaseFlexible Leads
Filament6.3V @ 150mA
Construction
Primary TypePentode
EnvelopeT-3
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesHeater current listed as 450mA in OCR, corrected to standard 150mA for 5634.
Absolute Maximum Ratings
Plate Voltage150 V
Plate Dissipation0.8 W
Grid 2 Voltage110 V
H-C Voltage90 V
Audio Performance
Key Features
- Subminiature design
- Sharp cut-off
- Double-ended construction
- Flexible leads
- High frequency amplifier suitability
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Pentode | 100V | 3500 | 240000 | - | 6.5mA |
Application Notes
Maximum grid circuit resistance should not exceed 1.0 megohm. Flexible leads permit the tube to be wired directly to circuit components.
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