866A
Rectifier · DHT · UX-4 · 1934
“Heavy duty mercury vapor. Transmitter rectifier.”
Full-wave rectifier for vacuum tube power supply designs
GAIN0%
POWER0%
DRIVE50%
LINEARITY75%
EXECUTIVE SUMMARY
The 866A is a directly-heated rectifier from RCA·GE, introduced around 1934. Commonly used in rectifier applications. Heavy duty mercury vapor. Transmitter rectifier.
APPLICATIONS
Power supply rectification
Generic rectifier rectifier stage
HISTORY
Introduced1934ManufacturerRCA·GEEquivalents866
Pre-WarSPECIFICATIONS
Heater Voltage2.5V
Heater Current5A
Max Plate Voltage2500V
Max Power—
Sensitivity—
Gain Factor—
Internal Impedance—
PinoutUX-4
Era1934
RarityModerate
SPICE model not yet available. Loadline calculator requires calibrated Koren parameters.