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Rectifier - Half Wave ·Rectifier

1V

Half-wave rectifier with separate cathode for capacitor-input power supplies. Its 6.3 V heater and moderate current capability suit conventional electronic DC supplies.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
4G
Socket code
UX4
Base pins
4
Nominal heater
6.3 V / 300 mA

Description

A 6.3 V half-wave rectifier with a separate cathode, intended for capacitor-input rectifier service and rated for 1000 V peak inverse voltage.

Socket description

Medium-shell UX 4-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
4G
Socket code
UX4
Base pins
4
Nominal heater voltage
6.3 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

4G - 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
1000 V
Rectifier nominal output current
45 mA
Rectifier peak forward current
270 mA
Rectifier forward voltage drop
20 V

Half-wave high-vacuum rectifier for power-supply service.

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 Raytheon Radio Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • tieximum A-C Plate Voltage (RHS

    350 V

    Published table

  • Haximm Inverse Peak Voltage

    1000 V

    Published table

  • axirmum D-C Output Current

    50 mA

    Published table

  • AVERAGE TUBE VOLTAGE DROP

    23 V

    Published table

Data set 02

1940 RCA

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • HeaterVoltageNominal

    6.3 V

    Nominal

  • HeaterCurrentNominal

    300 mA

    Nominal

  • Maximum Peak Inverse Voltage

    350 V

  • Rectified Output Current

    50 mA

  • PeakForwardCurrent

    200 mA

Data set 03

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Maximum inverse voltage

    1000 V

    HalfWaveRectifier

  • Maximum DC output current

    45 mA

    HalfWaveRectifier

  • Maximum peak current

    270 mA

    HalfWaveRectifier

  • Maximum RMS supply voltage

    325 V

    HalfWaveRectifier

Characteristics

  • Forward voltage drop

    20 V

    HalfWaveRectifier; At 90 mA DC

Data set 04

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Heater voltage

    6.3 V

    Nominal

  • Heater current

    300 mA

    Nominal