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Rectifier - Half Wave ·Rectifier

4077A

Indirectly heated hot-cathode mercury-vapor half-wave rectifier for high-voltage supplies. Rated for approximately 16 kV peak inverse voltage and 1.25 A nominal output for substantial industrial power conversion.

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

Description

4077A is a half-wave hot-cathode mercury-vapour rectifier. The Standard Valves sheet publishes construction, electrical constants, limiting conditions, and applicable operating data.

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
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
16000 V
Rectifier nominal output current
1.25 A
Rectifier peak forward current
5 A

Published ratings and characteristics promoted from 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 Standard Valves

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Maximum peak anode current

    5 A

Construction

  • Mercury vapor fill

    1 boolean

    Hot-cathode mercury-vapour rectifier