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Rectifier - Full Wave ·Rectifier-Rectifier

80

Classic directly heated full-wave high-vacuum rectifier for receiver and general electronic power supplies. Its five-volt filament and moderate output capability made it a standard early B-plus rectifier.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: 4C
Socket code: UX4
Base pins: 4
Nominal heater: 5 V / 2 A

Description

Full-wave directly heated high-vacuum rectifier.

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: 4C
Socket code: UX4
Base pins: 4
Nominal heater voltage: 5 V
Nominal heater current: 2 A
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

4C - 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: 1400 V
Rectifier nominal output current: 125 mA
Rectifier peak forward current: 400 mA
Rectifier forward voltage drop: 60 V

Published promoted fields populated by semantic section ownership; identical repeated sections compressed.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 1400 V
Rectifier nominal output current: 125 mA
Rectifier peak forward current: 400 mA
Rectifier forward voltage drop: 60 V

Second physical rectifier section; electrical properties populated from corresponding 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

1937 Raytheon Radio Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

RMS AC voltage per plate maximum
350 V
CondenserInputFilter
Peak inverse voltage maximum
1000 V
CondenserInputFilter
Peak current per plate maximum
400 mA
CondenserInputFilter
DC output current maximum
125 mA
CondenserInputFilter
RMS AC voltage per plate maximum
400 V
CondenserInputFilter
Peak inverse voltage maximum
1100 V
CondenserInputFilter
Peak current per plate maximum
360 mA
CondenserInputFilter
DC output current maximum
110 mA
CondenserInputFilter
RMS AC voltage per plate maximum
550 V
ChokeInputFilter;20HMinimum
Peak inverse voltage maximum
1500 V
ChokeInputFilter;20HMinimum
Peak current per plate maximum
300 mA
ChokeInputFilter;20HMinimum
DC output current maximum
135 mA
ChokeInputFilter;20HMinimum

Characteristic

Average tube voltage drop
60 V
At135mADC

Data set 02

193X Cunningham

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

Heater/filament voltage
5 V
Published nominal
Heater/filament current
2 A
Published nominal

Data set 03

1940 RCA

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

AC Input Voltage
550 V RMS
FullWave;PerPlate

Data set 04

1948 Brimar Radio Valve Manual

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

RMS Input per Anode
350 V
Rectified Current
125 mA

Data set 05

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Maximum RMS supply voltage per plate
350 V
Full-Wave High-Vacuum

Characteristic

Forward voltage drop
60 V
Full-Wave High-Vacuum

Data set 06

1961 Ferranti Technical Handbook

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Peak Inverse Voltage
1400 V
Peak Anode Current
400 mA
RMS Input Voltage per Anode
500 V

Data set 07

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Peak Inverse Voltage
1400 V
DC Output Current
125 mA
FullWave