Tube-number record
45A5
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BrandPhilips
ClassPower Amplifier Pentode
BaseSubminiature
Filament45 V @ 100 mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesSeries heater string
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation9 W
Grid 2 Voltage250 V
Cathode Current75 mA
H-C Voltage150 V
Audio Performance
Typical THD10%
Power Output4.2 W
Key Features
- Unipotential cathode
- Any mounting position
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Pentode | 200 V | 8200 | 24000 | 10 | 45 mA |
Application Notes
Power amplifier pentode commonly used in series-string heater receivers.
Datasheets
Datasheet: 45A5.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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