Tube-number record
5993
0 archive entries
5993 is a tube type in the TubeDatabase archive (class: Full-wave rectifier). Recorded specifications: brand Bendix Red Bank, year 1962, construction Rectifier, socket Noval (B9A), and maximum plate voltage 1500 V. The archive does not yet hold a photographed example of this type.
BrandBendix Red Bank
ClassFull-wave rectifier
BaseNoval (B9A)
Filament6.3 V @ 800 mA
Construction
Primary TypeRectifier
EnvelopeT-6 1/2
Sections2
Filament / Heater
Warm-up Time45s
Heater NotesVoltage should not fluctuate more than +/- 5%
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Capacitor Input Filter | 325 V | — | — | — | 70 mA |
| Choke Input Filter | 450 V | — | — | — | 70 mA |
Application Notes
The tube is designed to replace the 6X4 in applications where severe environmental conditions are encountered, especially in airborne equipment. Provides 10,000 hours life when used conservatively.
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