1AK5
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BrandRaytheon
ClassSubminiature Diode-Pentode
BaseSubminiature
Construction
Primary TypeDiode-Pentode
EnvelopeT-2X3 Glass
Base MaterialGlass
Sections2
Filament / Heater
MaterialFilament type
Absolute Maximum Ratings
Plate Voltage90 V
Grid 2 Voltage90 V
Cathode Current1 mA
Audio Performance
Key Features
- Subminiature construction
- Extreme economy of space, weight, and battery drain
- Flexible terminal leads
- Filament type cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 45V | 280 | 400000 | - | 0.5mA |
| Resistance-Coupled Amplifier | 45V | - | 1000000 | - | - |
Application Notes
The flexible terminal leads may be soldered or welded directly to components; standard subminiature sockets may be used by cutting leads to 0.20". Grid 3 is comprised of two separate deflector plates.
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