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Rectifier - Half Wave ·Rectifier

4049C

Directly heated high-voltage half-wave mercury-vapor rectifier for substantial power supplies. Rated for approximately 10 kV peak inverse voltage and 1.25 A nominal output for multi-valve rectifier systems.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
GOLIATH
Base pins
-
Nominal heater
4 V / 9.5 A

Description

Directly heated high-voltage mercury-vapour rectifier with 10 kV peak inverse voltage, 5 A peak anode current and published multi-valve rectifier operating circuits.

Socket description

Goliath industrial rectifier base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
GOLIATH
Base pins
-
Nominal heater voltage
4 V
Nominal heater current
9.5 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 cathode current
1.25 A
Rectifier peak inverse voltage
10000 V
Rectifier nominal output current
1.25 A
Rectifier peak forward current
5 A

Published ratings/characteristics promoted; remaining useful source values represented as parameters.

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 Standard Valves

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Maximum average anode current

    1.25 A

  • Ambient temperature minimum

    5 degC

  • Ambient temperature maximum

    70 degC

  • Condensed mercury temperature minimum

    20 degC

  • Condensed mercury temperature maximum

    70 degC

  • Post-shipment filament heating

    30 min

  • Maximum DC load current

    2.5 A

    Circuit2;TwoValves

  • Approximate DC output voltage

    3200 V

    Circuit2;TwoValves

Data set 02

1946 Standard Telephone and Cables

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

  • Heater/filament voltage

    4 V

  • Heater/filament current

    9.5 A

Other

  • Maximum cathode/anode current

    1.25 A

  • Maximum peak inverse voltage

    10000 V

  • Maximum peak anode current

    5 A

  • Maximum average anode current

    1.25 A

  • Ambient temperature range

    5–70 °C