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Rectifier - Half Wave ·Rectifier

XD27

Directly heated high-vacuum diode for high-voltage rectifier, charging, clipper, and modulator service. Rated for approximately 30 kV peak inverse voltage, 3 A DC output, and 75 A peak current.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
13 V / 36 A

Description

XD27 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
13 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
Rectifier peak inverse voltage
30000 V
Rectifier nominal output current
3 A
Rectifier peak forward current
75 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 01

195X Central Electronics

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Heater/Filament Voltage

    13 V

    Published datasheet value

  • Heater/Filament Current

    36 A

    Published datasheet value

Data set 02

1960 Central Electronic Tubes

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • Rectifier filament voltage

    13 V

  • Rectifier filament current

    36 A

Other

  • Peak inverse voltage

    30000 V

  • Average anode current

    3 A

  • Peak anode current

    75 A

  • Clipper filament voltage

    14.5 V

  • Clipper filament current

    40 A

  • Clipper peak anode current

    150 A