5R4WGB

Long-life ruggedized full-wave high-vacuum rectifier with shock-mounted construction for demanding high-voltage and high-altitude service, providing approximately 250 mA DC output.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: IO
Base pins: 8
Nominal heater: 5 V / 2 A

Description

Long-life ruggedized full-wave high-vacuum rectifier with extensive lot qualification and shock-mounted construction for reliable high-voltage and high-altitude service.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: IO
Base pins: 8
Nominal heater voltage: 5 V
Nominal heater current: 2 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: 2800 V
Rectifier nominal output current: 250 mA
Rectifier peak forward current: 700 mA
Rectifier warm-up time: 10 s

Representative row for identical repeated sections.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 2800 V
Rectifier nominal output current: 250 mA
Rectifier peak forward current: 700 mA
Rectifier warm-up time: 10 s

Second physical rectifier section; promoted electrical properties populated from identical section.

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

1966 Tung Sol Electronic Tubes 3 of 4

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Heater voltage
5 V
Heater current
2 A
AC plate voltage per plate
900 V
ChokeInputFilter
Input choke
10 H
ChokeInputFilter
DC output current
165 mA
ChokeInputFilter
DC output voltage full load
840 V
ChokeInputFilter
AC plate voltage per plate
700 V
CapacitorInputFilter
Input capacitor
4 uF
CapacitorInputFilter
DC output current
275 mA
CapacitorInputFilter
DC output voltage full load
730 V
CapacitorInputFilter
Maximum peak inverse voltage
3050 V
Nominal DC output current
275 mA
Maximum peak forward current
700 mA
Warmup time
10 s

SECTION 2

Rectifier

Other

Heater voltage
5 V
Heater current
2 A
AC plate voltage per plate
900 V
ChokeInputFilter