6L43
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BrandBrimar
ClassHalf-wave Vacuum Rectifier
BaseB9A
Filament6.3V @ 670mA
Construction
Primary TypeIndirectly heated half wave vacuum rectifier
Rectifier TypeHalf-wave
EnvelopeT-6.5
SectionsSingle
Filament / Heater
Heater NotesOperation from common supply allowed
Absolute Maximum Ratings
Plate Voltage625 V
Cathode Current150 mA
H-C Voltage900 V
Audio Performance
Key Features
- Trustworthy operation
- Vibration and mechanical shock resistant
- Top cap connection
- Compact physical size
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Half-wave circuit (Capacitor Input) | 625V | - | 160 | - | 125mA |
| Half-wave circuit (Capacitor Input) | 500V | - | 200 | - | 150mA |
Application Notes
Useful for compact mobile and airborne equipment. Top cap reduces possibility of electrolysis and arc-over at high altitudes.
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