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Rectifier - Full Wave ·Rectifier-Rectifier

5Z4G

Brimar indirectly heated full-wave high-vacuum rectifier for AC mains power supplies. Its five-volt heater-cathode construction provides conventional moderate-current rectification with cathode isolation.

Directly heatedCold cathodeCommon cathodeDissimilar

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

Description

The BRIMAR 5Z4G is an indirectly heated full-wave rectifier for AC mains operation, rated at 1400 V peak inverse voltage and 125 mA rectified output.

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: 1400 V
Rectifier nominal output current: 125 mA
Rectifier peak forward current: 375 mA

Published Ferranti ratings and characteristics promoted from the supplied source.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 1400 V
Rectifier nominal output current: 125 mA
Rectifier peak forward current: 375 mA

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

1948 Brimar Radio Valve Manual

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

RMS Input per Anode
350 V
CapacitorInputFilter
Supply Impedance per Anode
30 ohm
CapacitorInputFilter; minimum
Rectified Current
125 mA
CapacitorInputFilter; maximum
Reservoir Condenser
32 uF
CapacitorInputFilter; maximum
RMS Input per Anode
500 V
ChokeInputFilter
Input Choke Inductance
5 H
ChokeInputFilter; minimum
Rectified Current
125 mA
ChokeInputFilter; maximum

SECTION 2

Rectifier

Other

RMS Input per Anode
350 V
CapacitorInputFilter
Supply Impedance per Anode
30 ohm
CapacitorInputFilter; minimum
Rectified Current
125 mA
CapacitorInputFilter; maximum

Data set 02

1958 Brimar Radio Valve No 7

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

RMS Input per Anode
350 V
CapacitorInputFilter
Rectified Current
125 mA
CapacitorInputFilter
Reservoir Capacitor
32 uF
CapacitorInputFilter
RMS Input per Anode
500 V
ChokeInputFilter
Input Choke Inductance
5 H
ChokeInputFilter

SECTION 2

Rectifier

Other

RMS Input per Anode
350 V
CapacitorInputFilter
Rectified Current
125 mA
CapacitorInputFilter

Data set 03

1961 Ferranti Technical Handbook

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

HeaterOrFilamentVoltage
5 V
HeaterOrFilamentCurrent
2 A

SECTION 2

Rectifier

Characteristic

HeaterOrFilamentVoltage
5 V
HeaterOrFilamentCurrent
2 A