Data set 01
1961 Ferranti Technical Handbook
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Application
Application
Television booster / damper diode
Deflection-system application
110-degree CRT
Rectifier - Damper Diode ·Rectifier
PY800
Booster or damper diode for 110-degree television deflection, providing approximately 5.25 kV inverse-voltage capability and 150 mA rectified current for line-output recovery.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B9A
- Base pins
- -
- Nominal heater
- 19 V / 300 mA
Description
Booster/damper diode for television receivers using 110-degree CRT deflection.
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
- 19 V
- Nominal heater current
- 300 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
- 5250 V
- Rectifier nominal output current
- 150 mA
- Rectifier peak forward current
- 350 mA
- Rectifier max heater-cathode voltage
- 6000 V
Published Ferranti ratings and characteristics promoted where applicable; additional operating and application 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
1963 Mullard
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Capacitance
Cathode capacitance
6 pF
Heater-cathode capacitance
2.2 pF
Other
Pulse duration maximum
18 us
Pulse
Application
Application
Television booster / damper diode
Data set 03
1973 Mazda Valves Binder 2
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristics
Heater voltage
19 V
Published nominal value
Heater current
300 mA
Published nominal value
Other
Maximum peak heater-cathode voltage
5.75 kV
Heater negative