PL-177WA
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BrandPenta
ClassBeam Pentode
Base7-pin Septar (EIA E7-2)
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage2000 V
Plate Dissipation75 W
Grid 2 Voltage600 V
Cathode Current175 mA
Audio Performance
Key Features
- Ruggedized version of PL-177A
- Vane-type suppressor grid
- Radiation cooling
- High shock and vibration resistance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C CW or FM Amplifier | 2000V | 4500 | - | 5 | 150mA |
| Class AB1 Linear R-F Amplifier (SSB) | 2000V | - | - | - | 175mA |
Application Notes
The PL-177WA incorporates a vane-type suppressor grid permitting high power output at relatively low plate voltages. Excellent for linear R-F or audio amplifier use.
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