Data set 01
1960 Mazda
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristics
Peak heater-cathode voltage
5.5 kV
Anode-heater-cathode capacitance
7.8 pF
Rectifier - Damper Diode ·Rectifier
U193
High-voltage booster diode for television horizontal-deflection circuits, providing line-output energy recovery with heater-cathode insulation suited to elevated cathode potential.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B9A
- Base pins
- -
- Nominal heater
- 19 V / 300 mA
Description
Printed co-designation for the PY801 television efficiency diode.
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
- 5500 V
- Rectifier nominal output current
- 175 mA
- Rectifier peak forward current
- 450 mA
Published ratings and characteristics promoted where clearly stated; identical repeated sections compressed where applicable.
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
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
5.5 kV
Heater negative