Tube-number record
1T4WA
0 archive entries
1T4WA is a tube type in the TubeDatabase archive (class: RF Pentode). Recorded specifications: brand Tung-Sol, year 1960, construction Pentode, base Miniature Button, socket Miniature 7-pin (B7G), maximum plate voltage 100 V, and maximum plate dissipation 0.4 W. The archive does not yet hold a photographed example of this type.
BrandTung-Sol
ClassRF Pentode
BaseMiniature 7-pin (B7G)
Construction
Primary TypePentode
EnvelopeGlass
Base MaterialMiniature Button
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage100 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Normal Operation | 90 V | 900 | 170000 | — | 3.5 mA |
Application Notes
The tube is particularly useful in voltage amplifier circuits for battery operated equipment where extreme conditions of mechanical shock or vibration are encountered.
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