Data set 01
195X Central Electronics
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Heater/Filament Voltage
15 V
Published datasheet value
Heater/Filament Current
36 A
Published datasheet value
Rectifier - Half Wave ·Rectifier
XD49R
Directly heated high-vacuum power diode for high-voltage rectifier and pulse service. Rated for approximately 50 kV peak inverse voltage, 7 A DC output, and 15 A peak current.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 15 V / 36 A
Description
XD49R is a high-vacuum diode for high-voltage rectifier, charging, clipper, and/or modulator service as specified in the datasheet.
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
- 15 V
- Nominal heater current
- 36 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
- 3000 W
- Rectifier peak inverse voltage
- 50000 V
- Rectifier nominal output current
- 7 A
- Rectifier peak forward current
- 15 A
Published ratings and characteristics promoted where directly established; additional values 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
1960 Central Electronic Tubes
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Peak inverse voltage
50000 V
Peak anode current
15 A
Anode dissipation
3000 W
Filament starting surge current
80 A
Characteristic
Filament voltage
15 V
Filament current
36 A
Filament cold resistance
0.042 ohm
Construction
Cooling method
Forced air