5B24

Directly heated mercury-vapor full-wave rectifier for battery chargers and power supplies serving magnetic chucks and small motors. Its mercury discharge provides high-current rectification with relatively low forward voltage drop.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: UX4
Base pins: -
Nominal heater: 2.5 V / 18 A

Description

The 5B24 is a mercury-vapor high-voltage full-wave rectifier for battery charging and power supplies for magnetic chucks and small motors.

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: -
Socket code: UX4
Base pins: -
Nominal heater voltage: 2.5 V
Nominal heater current: 18 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

2 physical sections, each with unique specifications.

Section 1

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 1000 V
Rectifier nominal output current: 3 A
Rectifier peak forward current: 18 A
Rectifier forward voltage drop: 15 V
Rectifier warm-up time: 300 s

Representative row for two rectifier anodes; average current is 3 A per anode.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 1000 V
Rectifier nominal output current: 3 A
Rectifier peak forward current: 18 A
Rectifier forward voltage drop: 15 V
Rectifier warm-up time: 300 s

Second physical rectifier section; electrical properties populated from applicable published ratings.

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

InitialFiringVoltageMaximum
20 V
RecurrentFiringVoltageMinimum
8.5 V
Maximum Frequency
60 Hz

SECTION 2

Rectifier

Characteristic

InitialFiringVoltageMaximum
20 V
RecurrentFiringVoltageMinimum
8.5 V
Maximum Frequency
60 Hz