MEDIUM MU TRIODE - SHARP CUTOFF PENTODE
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BrandSYLVANIA
ClassCombined Triode-Pentode
BaseE9-1, Small Button 9-Pin
Filament6.3V @ 450mA
Construction
Primary TypeTriode-Pentode
EnvelopeT-6 1/2
Base MaterialGlass
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2 W
Grid 2 Voltage250 V
Grid 1 Voltage40 V
H-C Voltage200 V
Audio Performance
Key Features
- Medium Mu Triode
- Sharp Cutoff Pentode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Section (Average Characteristics) | 100V | 5800 | 6900 | 40 | 8.5mA |
| Pentode Section (Average Characteristics) | 250V | 4600 | 750000 | - | 7.7mA |
Application Notes
Designed primarily for service as a VHF oscillator and mixer in TV receivers utilizing an IF in the order of 40 mc.
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