Data set 01
1950 General Electric Transmitting Types
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristic
HeaterOrFilamentVoltage
2.5 V
HeaterOrFilamentCurrent
2 A
Rectifier - Half Wave ·Rectifier
816
Mercury-vapor half-wave rectifier for transmitting and industrial supplies. Its gas-assisted conduction provides low forward voltage with useful current at multi-kilovolt potentials.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 4P
- Socket code
- UX4
- Base pins
- 4
- Nominal heater
- 2.5 V / 2 A
Description
Half-wave mercury-vapor rectifier for transmitting and industrial power supplies, rated to 7.5 kV peak inverse voltage.
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
- 4P
- Socket code
- UX4
- Base pins
- 4
- Nominal heater voltage
- 2.5 V
- Nominal heater current
- 2 A
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
4P - 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
- 7500 V
- Rectifier nominal output current
- 125 mA
- Rectifier peak forward current
- 500 mA
- Rectifier forward voltage drop
- 15 V
- Rectifier warm-up time
- 10 s
Electrical section extracted from supplied RCA data sheet.
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
1956 RCA Transmitting Tubes
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Peak Inverse Voltage
7500 V
Nominal Output Current
125 mA
Peak Forward Current
500 mA
Peak Inverse Anode Voltage
7500 V
Peak Anode Current
500 mA
Average Anode Current
125 mA
Fault Current
5 A
Maximum duration 0.1 second
Characteristic
Forward Voltage Drop
15 V
Warmup Time
10 s
Tube Voltage Drop
15 V
Approximate
Filament Warmup Before Anode Voltage
10 s
Minimum
Data set 03
1971 RCA HB3 Binder 6 of 7
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristic
Heater/filament voltage nominal
2.5 V
WholeTube
Heater/filament current nominal
2 A
WholeTube
Other
Voltage
2.25 V
Published source row
Voltage (value 2)
2.5 V
Published source row
Voltage (value 3)
2.75 V
Published source row
Current at
2.5 V
Published source row
Current at (value 2)
2 V
Published source row
Current at (value 3)
2.2 V
Published source row
voltage
10 s
Published source row
Maximum Ratings, Absolute Values: For su¢bly frequency of
6
Published source row
PEAK INVERSE ANODE VOLTAGE
7500 V
Published source row
Published electrical value
816
Published source row
Published electrical value
0 V
Published source row
Published electrical value (value 2)
7500 V
Published source row
mercury-temperature range of
20
Published source row
mercury-temperature range of (value 2)
60
Published source row
Peak inverse plate voltage
7500 V
Promoted field corroboration
Verified Peak inverse plate voltage
7500 V
Verified from supplied datasheet rating/characteristic table
Verified Rectifier average output current
125 mA
Verified from supplied datasheet rating/characteristic table
Verified Rectifier peak forward current
500 mA
Verified from supplied datasheet rating/characteristic table