1P5G
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BrandSylvania
ClassH.F. Pentode
BaseSmall octal 7-pin (5-Y)
Construction
Primary TypePentode
EnvelopeT9-C
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Audio Performance
Key Features
- Battery powered pentode
- Low power consumption
- Direct operation on 1.5V battery
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode H.F. Amplifier | 90V | 750 | 800000 | - | 2.3mA |
Application Notes
Type 1P5G is a low-consumption battery pentode intended for H.F., M.F. or B.F. amplification. It features higher transconductance than type 1N5G and shares the same base pinout. It can operate directly from a 1.5V cell without a ballast tube.
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