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SOVTEK 5881WXT Power Beam Tube Tetrode (Unit)
The Sovtek 5881WXT is an extremely fialbe tetrode type power tube. Built to rigid military standards, the 5881WXT tolerates higher voltages than most other types of 6L6 tubes. It is frequently used to replace defective 7027 tubes.
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Sovtek 5881WXT
Power Beam Tube Tetrode
The Sovtek 5881WXT is an extremely fialbe tetrode type power tube. Built to rigid military standards, the 5881WXT tolerates higher voltages than most other types of 6L6 tubes. It is frequently used to replace defective 7027 tubes.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Tube |
| Tube type | Tetrode |
| Number of pins | 6 |
| Dimensions | Ø38 x 110mm |
| Electrical parameters | |||
|---|---|---|---|
| Parameter | Conditions | Min | Max |
| First grid reverse current | Filament voltage 6.3V, plate voltage 250V, grid voltage #2 250V, grid circuit resistance #1 0.51MΩ | - | 0.7µA |
| Heater current | - | 0.84A | 0.92A |
| Plate current | Filament voltage 6.3V, plate voltage 250V, grid voltage #2 250V | 60mA | 88mA |
| Second grid current | Filament voltage 6.3V, plate voltage 250V, grid voltage #2 250V | - | 6mA |
| Output power | Filament voltage 6.3V, plate voltage 250V, grid voltage #2 250V, plate circuit resistance 2.5kΩ | 5.8W | - |
| Limit values | |||
|---|---|---|---|
| Parameter | Min | Max | |
| Filament voltage | 6V | 6.6V | |
| Cathode - heater voltage | - | ±250V | |
| Cathode current | - | 90mA | |
| Frist grid voltage, negative | - | 100V | |
| Power dissipation at the plate | - | 20.5W | |
| Power dissipation at the second grid | - | 2W | |
| First grid circuit resistance | - | 0.51MΩ | |
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