Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Rectifier - Half Wave ·Rectifier

CV2235

Industrial high-peak-rating half-wave rectifier equivalent to the Brimar R18. Its substantial peak-current capability suits professional electronic power supplies.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 1.1 A

Description

Commercial equivalent explicitly printed for Brimar R18 industrial high-peak-rating half-wave rectifier.

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
1.1 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
1800 V
Rectifier nominal output current
150 mA
Rectifier peak forward current
900 mA
Rectifier max heater-cathode voltage
900 V

Published ratings and characteristics promoted semantically from the approved source; identical repeated sections compressed where applicable.

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

1958 Brimar Radio Valve No 7

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Peak Anode Current

    900 mA

  • Peak Inverse Voltage

    1800 V

  • Peak Heater-Cathode Voltage

    900 V

  • DC Output Current

    150 mA

Characteristic

  • Commercial Equivalent

    R18