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Rectifier - Full Wave ·Rectifier-Rectifier

AZ4

Directly heated AZ-series full-wave rectifier for substantial mains power supplies. Rated for approximately 1 kV peak inverse voltage and 200 mA nominal rectified output from a 4 V filament.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: P8A
Base pins: 8
Nominal heater: 4 V / 2.3 A

Description

Directly heated full-wave rectifier in the AZ series. The supplied Emission Labs sheet was read for filament data, maximum ratings, representative operating points, gm/rp/mu, output conditions, capacitances, and rectifier filter conditions as applicable.

Socket description

European 8-pin side-contact base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: P8A
Base pins: 8
Nominal heater voltage: 4 V
Nominal heater current: 2.3 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: 200 mA

Published limits include 2 x 500 V RMS transformer voltage and DC output ratings from 120 to 200 mA depending on transformer voltage.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 1000 V
Rectifier nominal output current: 200 mA

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

195X Tesla

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Maximum input filter capacitance
60 uF
CapacitorInputFilter

SECTION 2

Rectifier

Other

Maximum input filter capacitance
60 uF
CapacitorInputFilter

Data set 02

1963 Philips Electron Tubes Handbook V1

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

AC supply voltage per plate maximum
500 V RMS
FullWave
DC output current maximum
120 mA
FullWave
Maximum input capacitor
60 µF
CapacitorInputFilter

SECTION 2

Rectifier

Other

AC supply voltage per plate maximum
500 V RMS
FullWave

Data set 03

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Maximum transformer secondary no-load voltage
2x500 V RMS
Maximum DC output current
200 mA
Maximum DC output current
120 mA
TransformerVoltage=2x500V
Maximum DC output current
150 mA
TransformerVoltage=2x400V
Maximum DC output current
200 mA
TransformerVoltage=2x300V
Maximum filter input capacitance
60 uF

Data set 04

2026 Emission Labs

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

Filament voltage
4 V
Filament current
2.3 A

Other

Maximum AC input voltage
300 V RMS
Maximum DC output current
200 mA
Maximum first capacitor
60 uF