Data set 01
1938 Raytheon Amateur
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Application
Application
MercuryVaporHalfWaveRectifier text
Rectifier - Half Wave ·Rectifier
866
Directly heated mercury-vapor half-wave rectifier for high-voltage DC supplies. Its gas-assisted conduction provides moderate current with low forward voltage for transmitter and industrial equipment.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- A4-10
- Socket code
- UX4
- Base pins
- 4
- Nominal heater
- 2.5 V / 5 A
Description
Mercury-vapor half-wave rectifier for high-voltage DC power supplies.
Socket description
Medium-shell UX 4-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- A4-10
- Socket code
- UX4
- Base pins
- 4
- Nominal heater voltage
- 2.5 V
- Nominal heater current
- 5 A
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
A4-10 - Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
1 physical section, each with unique specifications.
Section 1
Rectifier
X-ray radiationInterelectrode capacitances
- Rectifier peak inverse voltage
- 10000 V
- Rectifier nominal output current
- 500 mA
- Rectifier peak forward current
- 2 A
- Rectifier forward voltage drop
- 15 V
- Rectifier warm-up time
- 30 s
Promoted values are taken from printed General Characteristics / Maximum Ratings. Additional published conditions and operating data are preserved in parameters.
Source-dependent data
Operating conditions by source
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 02
1938 RCA Transmitting Tubes
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
HeaterVoltageNominal
2.5 V
Nominal
HeaterCurrentNominal
5 A
Nominal
Maximum Peak Inverse Voltage
7500 V
Rectified Output Current
250 mA
PeakForwardCurrent
1 A
Characteristic
Forward Voltage Drop
15 V
Data set 03
193X Taylor Transmitting
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Filament Voltage
2.5 V
Nominal published value
Filament Current
5 A
Nominal published value
Inverse Peak Voltage
7500 V
Half-wave mercury-vapor rectifier
Peak Current
600 mA
Half-wave mercury-vapor rectifier
Characteristics
Approximate Voltage Drop
15 V
Per tube
Data set 04
1940 Taylor Tubes
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Peak inverse voltage
10000 V
CondensedMercuryTemperature=20-60C
Peak inverse voltage
5000 V
CondensedMercuryTemperature=20-70C
RMS AC input voltage
3530 V
SinglePhaseFullWaveTwoTubes
Maximum DC output voltage
3180 V
SinglePhaseFullWaveTwoTubes
Maximum DC output current
500 mA
SinglePhaseFullWaveTwoTubes
RMS AC input voltage
7060 V
SinglePhaseBridgeFourTubes
Maximum DC output voltage
6360 V
SinglePhaseBridgeFourTubes
Maximum DC output current
500 mA
SinglePhaseBridgeFourTubes
RMS AC input voltage
4080 V
ThreePhaseHalfWaveThreeTubes
Maximum DC output voltage
4780 V
ThreePhaseHalfWaveThreeTubes
Maximum DC output current
750 mA
ThreePhaseHalfWaveThreeTubes
RMS AC input voltage
4080 V
ThreePhaseParallelDoubleYSixTubes
Maximum DC output voltage
4780 V
ThreePhaseParallelDoubleYSixTubes
Maximum DC output current
1.5 A
ThreePhaseParallelDoubleYSixTubes
RMS AC input voltage
4080 V
ThreePhaseFullWaveSixTubes
Maximum DC output voltage
9560 V
ThreePhaseFullWaveSixTubes
Maximum DC output current
750 mA
ThreePhaseFullWaveSixTubes
Data set 05
1944 Hytron
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristics
Heater or filament voltage
2.5 V
Published nominal value
Heater or filament current
5 A
Published nominal value
Data set 06
1950 Eimac Tubes
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristic
Filament Voltage
2.5 V
Filament Current
5 A
Approximate Tube Voltage Drop
15 V
Recommended Condensed Mercury Temperature
40 C
±5 C
Initial Mercury Redistribution Heating Time
10 min
No plate voltage
Normal Filament Warm-up Before Plate Voltage
30 s
Approximate
Other
Maximum Peak Inverse Anode Voltage
10000 V
At condensed-mercury temperature 25-60 C
Maximum Peak Anode Current
1 A
Maximum Average Anode Current
250 mA
Maximum Supply Frequency
150 Hz
At 10 kV PIV
Condensed Mercury Temperature Range
25-60 C
PIV Rating at 2 kV Service
2000 V
Peak current 2 A; average current 0.5 A; 150 Hz max
PIV Rating at 5 kV Service
5000 V
Peak current 1 A; average current 0.25 A; 1000 Hz max
Application
Preferred Filter Type
Choke input
Greatest usable DC output current
Condenser-Input Filter Note
Peak current relatively high; capacitor voltage may approach 1.4× transformer RMS voltage
Data set 07
1962 Eimac
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Condensed Mercury Temperature Range
25 to 70 C
Supply Frequency Maximum
150 Hz
PIV=2000V
Supply Frequency Maximum
1000 Hz
PIV=5000V
Supply Frequency Maximum
150 Hz
PIV=10000V
Data set 08
1968 General Electric Co
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristic
Heating Time
30 s
Typical
Other
MaximumInstantaneousAnodeCurrent
1 A
At10000VPIV
DC Output Voltage
3180 V
FullWave;ChokeInputFilter;TwoTubes
DC Output Current
500 mA
FullWave;ChokeInputFilter;TwoTubes