Tube-number record
1AG5
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BrandTung-Sol
ClassDiode Pentode
BaseSubminiature
Construction
Primary TypeMulti-section
EnvelopeT-2x3
SectionsDiode, Pentode
Filament / Heater
MaterialCoated
Absolute Maximum Ratings
Plate Voltage50 V
Grid 2 Voltage50 V
Cathode Current0.5 mA
Audio Performance
Key Features
- Subminiature
- Tinned flexible leads
- Low battery drain
- Extreme economy of space and weight
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 22.5 V | 235 | 700000 | — | 0.17 mA |
| Class A1 Amplifier | 45 V | 250 | 2500000 | — | 0.28 mA |
Application Notes
The diode is located at the negative end of the filament. Leads may be soldered or welded directly to circuit components without the use of sockets. Standard subminiature sockets may be used by cutting leads to 0.020 inch length.
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