Data set 01
1958 Brimar Radio Valve No 7
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristic
Heater Voltage
6.3 V
Heater Current
1 A
Application
TelevisionBoosterDiode
Rectifier - Damper Diode ·Rectifier
EY83
Television booster or efficiency diode designed for horizontal line-output energy recovery, providing high inverse-voltage and heater-cathode isolation for repetitive sweep operation.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B9A
- Base pins
- -
- Nominal heater
- 6.3 V / 1 A
Description
Miniature booster diode for AC/DC television receivers with high heater-to-cathode voltage capability.
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
- 6.3 V
- Nominal heater current
- 1 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
- 5000 V
- Rectifier nominal output current
- 150 mA
- Rectifier peak forward current
- 800 mA
- Rectifier max heater-cathode voltage
- 5000 V
Published ratings and characteristics promoted from the supplied Brimar 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.