Data set 01
1945 United Electronics
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Filament voltage
5 V
Nominal general rating
Filament current
6.75 A
Nominal general rating
Rectifier - Half Wave ·Rectifier
UX973
United Electronics half-wave rectifier for substantial power supplies. Its heavy filament and multiampere output capability suit industrial AC-to-DC conversion.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- J4
- Base pins
- -
- Nominal heater
- 5 V / 6.75 A
Description
UX973 is a rectifier described in the approved United Electronics engineering datasheet.
Socket description
Jumbo 4-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- J4
- Base pins
- -
- Nominal heater voltage
- 5 V
- Nominal heater current
- 6.75 A
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
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 nominal output current
- 2.5 A
- Rectifier peak forward current
- 10 A
- Rectifier forward voltage drop
- 15 V
- Rectifier warm-up time
- 45 s
Published ratings and characteristics promoted where directly established; remaining useful published data retained as 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.