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Rectifier - Half Wave ·Rectifier

875A

Taylor mercury-vapor half-wave rectifier with processed carbon anode for broadcast and commercial supplies. Its heavy filament provides substantial high-voltage current with low arc drop.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
5 V / 10 A

Description

Taylor 875-A is a broadcast/commercial half-wave mercury-vapor rectifier using a processed carbon anode and shield, with 15 kV peak-inverse-voltage capability under the stated mercury-temperature condition.

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
5 V
Nominal heater current
10 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
15000 V
Rectifier nominal output current
1.5 A
Rectifier peak forward current
6 A

Promoted values are from the printed Taylor ratings/characteristics on the approved one-page source; values not published in that source remain unpromoted.

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

1940 Taylor Tubes

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Peak inverse voltage

    15000 V

    CondensedMercuryTemperature=20-50C

  • Peak inverse voltage

    10000 V

    CondensedMercuryTemperature=20-60C

  • RMS AC input voltage

    5300 V

    SinglePhaseFullWaveTwoTubes

  • Maximum DC output voltage

    4750 V

    SinglePhaseFullWaveTwoTubes

  • Maximum DC output current

    3 A

    SinglePhaseFullWaveTwoTubes

  • RMS AC input voltage

    10600 V

    SinglePhaseBridgeFourTubes

  • Maximum DC output voltage

    9500 V

    SinglePhaseBridgeFourTubes

  • Maximum DC output current

    3 A

    SinglePhaseBridgeFourTubes

  • RMS AC input voltage

    6120 V

    ThreePhaseHalfWaveThreeTubes

  • Maximum DC output voltage

    7150 V

    ThreePhaseHalfWaveThreeTubes

  • Maximum DC output current

    4.5 A

    ThreePhaseHalfWaveThreeTubes

  • RMS AC input voltage

    6120 V

    ThreePhaseParallelDoubleYSixTubes

  • Maximum DC output voltage

    7150 V

    ThreePhaseParallelDoubleYSixTubes

  • Maximum DC output current

    9 A

    ThreePhaseParallelDoubleYSixTubes

  • RMS AC input voltage

    6120 V

    ThreePhaseFullWaveSixTubes

  • Maximum DC output voltage

    14300 V

    ThreePhaseFullWaveSixTubes

  • Maximum DC output current

    4.5 A

    ThreePhaseFullWaveSixTubes