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Rectifier - Half Wave ·Rectifier

U16

Directly heated high-voltage half-wave rectifier intended primarily to supply accelerator or anode voltage to cathode-ray tubes at very low current.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B4
Base pins
4
Nominal heater
2 V / 250 mA

Description

A directly heated half-wave rectifier designed primarily to supply accelerator or anode voltage to cathode-ray tubes, rated for very high voltage and low rectified current.

Socket description

European 4-pin base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B4
Base pins
4
Nominal heater voltage
2 V
Nominal heater current
250 mA
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 voltage
5000 V
Rectifier peak inverse voltage
10000 V
Rectifier nominal output current
2 mA
Rectifier max heater-cathode voltage
0 V

Published ratings and characteristics promoted from the approved datasheet.

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

1937 Osram Valves

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Heater Voltage

    2 V

    Published datasheet value

  • Heater Current

    250 mA

    Published datasheet value

  • Anode Voltage RMS

    5000 V

    Published datasheet value

  • Rectified DC Current

    2 mA

    Published datasheet value

Data set 02

193X Osram

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • Anode RMS voltage

    5000 V

    Published datasheet value

Data set 03

1955 Marconi

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Heater/filament voltage

    2 V

  • Peak inverse voltage

    10000 V

  • Nominal/maximum output current

    5 mA

Construction

  • Rectifier topology

    Half-wave