Data set 01
1971 English Electric Valve
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristic
NominalImpedance
1000 Ohm
At 350 mA
Other
ForcedAirAnodeDissipation
160 W
ForcedAirCooling
Rectifier - Half Wave ·Rectifier
A237
Compact directly heated high-vacuum half-wave rectifier for reliable very-high-voltage operation, providing approximately 65 kV inverse-voltage capability.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 4 V / 12 A
Description
Compact high-vacuum rectifier designed for reliable high-voltage operation, with ratings up to 65 kV peak inverse voltage.
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 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
- Max plate dissipation
- 100 W
- Rectifier peak inverse voltage
- 65000 V
- Rectifier nominal output current
- 250 mA
- Rectifier peak forward current
- 1.5 A
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.