Data set 01
1959 Ediswan
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Application
Application
Flyback EHT rectifier
Other
Design-center PIV
23.5 kV
Rectifier - TV Line Scan Boost ·Rectifier
2J2
High-voltage half-wave rectifier for television flyback EHT supplies. Its specialized low-current construction converts line-output transformer pulses into CRT accelerating voltage.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B9A
- Base pins
- -
- Nominal heater
- 2 V / 350 mA
Description
High-voltage half-wave rectifier for flyback EHT supplies.
Socket description
Small-button Noval 9-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B9A
- Base pins
- -
- Nominal heater voltage
- 2 V
- Nominal heater current
- 350 mA
- 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
- 27000 V
Published source ratings and characteristics promoted where applicable; additional 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.