Data set 01
1953 Amperex
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristic
Average emission
7 A
Other
Typical output voltage
7500 V
SinglePhaseFullWave
Typical output current
3 A
SinglePhaseFullWave
Rectifier - Half Wave ·Rectifier
222A
Western Electric directly heated water-cooled high-voltage rectifier for substantial industrial and communications supplies. Liquid cooling and a massive filament support demanding continuous high-voltage service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- MEDIUM4BAYONET
- Base pins
- -
- Nominal heater
- 21.5 V / 41 A
Description
The Western Electric 222A is a rectifier listed in the supplied catalog table. It is a water-cooled high-voltage rectifier.
Socket description
Medium 4-contact bayonet base
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- MEDIUM4BAYONET
- Base pins
- -
- Nominal heater voltage
- 21.5 V
- Nominal heater current
- 41 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 peak inverse voltage
- 25000 V
- Rectifier peak forward current
- 5 A
Promoted fields populated from explicitly published ratings/characteristics; service-specific 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.
Data set 02
1956 Western Electric Tubes
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Peak Inverse Anode Voltage
25000 V
Rectifier
Data set 03
1971 Machlette Laboratories
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
having maximum ratings of [1]
25 mA
having maximum ratings of 25 PKV inverse voltage and 5 since 1897. All paris are thoroughly processed by special
having maximum ratings of [2]
5 mA
having maximum ratings of 25 PKV inverse voltage and 5 since 1897. All paris are thoroughly processed by special
having maximum ratings of [3]
1897 mA
having maximum ratings of 25 PKV inverse voltage and 5 since 1897. All paris are thoroughly processed by special
Filament Current, approximate
41 A
Filament Current, approximate 41.0 amperes
Maximum Outgoing Water Temperature
75 mA
Maximum Outgoing Water Temperature 75 °C
Peak Inverse Anode Voltage .o
25000 V
Peak Inverse Anode Voltage .o 25000 volts
Peak Anode Current e
5 A
Peak Anode Current e 5.0 amperes
A
13011
A-13011 PLATE VOLTAGE a9
A
13010
A-13010 FILAMENT VOLTAGE