Rectifier - Half Wave ·Rectifier
Air-cooled directly heated half-wave mercury-vapor rectifier for high-voltage supplies. Rated for approximately 3.5 kV peak inverse voltage and 250 mA nominal output with a low mercury-vapor forward drop.
Air-cooled half-wave mercury-vapor rectifier with an oxide-coated filament, rated for 3500 V peak inverse anode voltage.
Medium 4-contact bayonet base
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
Maximum average anode current 0.25 A; later combined bulletin used.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Filament Voltage
2.5 V
Filament Current
3 A
Peak Inverse Anode Voltage
3500 V
Maximum Peak Anode Current
1 A
InPhase
Maximum Average Anode Current
250 mA
InPhase
Maximum Averaging Time
5 s
Condensed Mercury Temperature Range
20-60 °C
Data set 02
Published operating points and test conditions from this source.
MaximumAverageAnodeCurrent
250 mA
Maximum Peak Inverse Anode Voltage
3500 V
AmbientTemperature=10to50C
RequiredHeatingTime
10 s
LoadCurrent
250 mA
SinglePhaseDoubleHalfWave;1Tube;LoadPotential=1000V
AnodeCathodeVoltageDrop
15 V
Approximate