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Rectifier - Full Wave ·Rectifier-Rectifier

X80

Directly heated high-vacuum dual rectifier for high-voltage rectifier and clipper service. Its heavy filament, roughly 40 kV inverse-voltage capability, and substantial current rating suit demanding high-voltage electronic systems.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
SUPERJUMBO4B
Base pins
-
Nominal heater
11.5 V / 15.25 A

Description

The X80 is a high-vacuum diode for rectifier and clipper service.

Socket description

Super Jumbo 4-contact base with bayonet

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
SUPERJUMBO4B
Base pins
-
Nominal heater voltage
11.5 V
Nominal heater current
15.25 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

2 physical sections, each with unique specifications.

Section 1

Rectifier

X-ray radiationInterelectrode capacitances
Max plate dissipation
550 W
Rectifier peak inverse voltage
40000 V
Rectifier nominal output current
700 mA
Rectifier peak forward current
2.5 A

Section 2

Rectifier

X-ray radiationInterelectrode capacitances
Rectifier peak inverse voltage
40000 V
Rectifier nominal output current
700 mA
Rectifier peak forward current
2.5 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.

Data set 01

1960 Central Electronic Tubes

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Peak inverse voltage

    40000 V

  • Peak anode current

    2.5 A

  • Average anode current

    700 mA

  • Anode dissipation

    550 W

  • Clipper filament voltage

    12.2 V

  • Clipper peak inverse voltage

    33000 V

  • Clipper peak anode current

    50 A

Characteristic

  • Filament voltage

    11.5 V

  • Filament current

    15.25 A

Construction

  • Cooling method

    Radiation

SECTION 2

Rectifier

Other

  • Peak inverse voltage

    40000 V

  • Peak anode current

    2.5 A

  • Average anode current

    700 mA

  • Anode dissipation

    550 W

  • Clipper filament voltage

    12.2 V

  • Clipper peak inverse voltage

    33000 V

  • Clipper peak anode current

    50 A

Characteristic

  • Filament voltage

    11.5 V

  • Filament current

    15.25 A

Construction

  • Cooling method

    Radiation