Data set 01
1960 Mazda
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Initial filament conditioning time
15 min
NoAnodeVoltage
Rectifier - Half Wave ·Rectifier
ESU303
Hot-cathode mercury-vapor half-wave rectifier for high-voltage power conversion. Its heavy filament and gas-assisted conduction provide substantial peak current with low arc drop.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 4 V / 12.5 A
Description
Hot-cathode mercury-vapor half-wave rectifier.
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
- 12.5 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
- 14000 V
- Rectifier peak forward current
- 3 A
- Rectifier warm-up time
- 60 s
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.