Data set 01
1937 Standard Valves
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristics
Total emission
6 A
Published datasheet value
Rectifier - Half Wave ·Rectifier
4222B
Directly heated water-cooled high-voltage rectifier for substantial industrial supplies. Rated for approximately 45 kV peak inverse voltage, with liquid cooling supporting demanding continuous high-power rectifier operation.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 22 V / 41 A
Description
The 4222B is a water-cooled rectifier described in the Standard Valves datasheet, using a directly heated filament cathode and published operating data.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater voltage
- 22 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
- Max plate dissipation
- 10000 W
- Rectifier peak inverse voltage
- 45000 V
Published ratings and characteristics promoted where directly established by the datasheet.
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.