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Tube Tinker — Electron Tube Database
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Rectifier - Half Wave ·Rectifier

CV2318

High-voltage vacuum diode for rectifier and inverse-diode service. Its multi-kilovolt inverse-voltage capability and useful current suit specialized high-voltage circuits.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 1.6 A

Description

The CV2318 is the commercial-equivalent designation of the A2272 high-voltage vacuum diode for rectifier and inverse-diode service.

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
6.3 V
Nominal heater current
1.6 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
10 W
Rectifier peak inverse voltage
16000 V
Rectifier nominal output current
100 mA
Rectifier peak forward current
600 mA
Rectifier max heater-cathode voltage
250 V
Rectifier warm-up time
60 s

Published maximum ratings and characteristics audited; remaining useful numerical data retained in TUBE_SECTION_PARAMETER.

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

1955 Marconi

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • HIGH VOLTAGE DIODE RA2

    272 V

    HIGH VOLTAGE DIODE RA2272

  • *Ia {pulse) [1]

    7

    *Ia {pulse) 7-5 max. A

  • *Ia {pulse) [2]

    -5

    *Ia {pulse) 7-5 max. A

  • Max. frequency of fault= [1]

    1

    Max. frequency of fault=1 per 5 minutes.

  • Max. frequency of fault= [2]

    5

    Max. frequency of fault=1 per 5 minutes.

  • Heater voltage

    6.3 V

    Published heater rating.

  • Heater current

    1.6 A

    Approximate published heater current.

  • Peak inverse voltage

    16000 V

    Maximum rating in rectifier and inverse-diode service.

  • DC output current

    100 mA

    Maximum rectifier rating.

  • Peak cathode current

    600 mA

    Maximum rectifier rating.

  • Surge anode current

    2 A

    Maximum rectifier rating.

  • Warmup time

    60 s

    Minimum heater warmup time.