83
Rectifier · DHT · UX-4 · 1933
“Mercury vapor blue glow. Constant 15V drop.”
Full-wave rectifier for vacuum tube power supply designs
GAIN0%
POWER0%
DRIVE50%
LINEARITY75%
EXECUTIVE SUMMARY
The 83 is a directly-heated rectifier from RCA·Sylvania, introduced around 1933. Commonly used in rectifier applications. Mercury vapor blue glow. Constant 15V drop.
APPLICATIONS
Power supply rectification
Generic rectifier rectifier stage
HISTORY
Introduced1933ManufacturerRCA·SylvaniaEquivalentsVT-83
Pre-WarSPECIFICATIONS
Heater Voltage5V
Heater Current3A
Max Plate Voltage450V
Max Power—
Sensitivity—
Gain Factor—
Internal Impedance—
PinoutUX-4
Era1933
RaritySought-after
SPICE model not yet available. Loadline calculator requires calibrated Koren parameters.