Data set 01
198X Shuguang
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
HeaterVoltageNominal
4 V
Nominal
HeaterCurrentNominal
3.25 A
Nominal
Rectifier - Half Wave ·Rectifier
FD422
Indirectly heated high-voltage rectifier for electronic power supplies. Its four-volt heater-cathode construction provides dedicated single-anode AC-to-DC conversion.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 4 V / 3.25 A
Description
High-voltage rectifier tube for power-supply applications.
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
- 4 V
- Nominal heater current
- 3.25 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
No fixed ratings are recorded for this section.
Published limits promoted from translated source.
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.