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Rectifier - Full Wave ·Rectifier-Rectifier

50Z7G

High-vacuum rectifier and voltage-doubler tube with a tapped 50 V heater for panel-lamp service. Its dual sections provide flexible AC/DC receiver power-supply arrangements.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
8AN
Socket code
IO
Base pins
7
Nominal heater
50 V / 150 mA

Description

High-vacuum rectifier and voltage doubler with tapped heater for panel-lamp service.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
8AN
Socket code
IO
Base pins
7
Nominal heater voltage
50 V
Nominal heater current
150 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

8AN - 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
700 V
Rectifier nominal output current
65 mA
Rectifier peak forward current
400 mA
Rectifier forward voltage drop
21 V
Rectifier max heater-cathode voltage
350 V

Representative row for two identical rectifier sections; published output rating shown with panel lamp.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances
Rectifier peak inverse voltage
700 V
Rectifier nominal output current
65 mA
Rectifier peak forward current
400 mA
Rectifier forward voltage drop
21 V
Rectifier max heater-cathode voltage
350 V

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

1938 National Union

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • DC output current per plate

    85 mA

    Published rectifier rating

  • AC plate voltage RMS per plate

    117 V

    Published circuit condition

Characteristics

  • Tube voltage drop

    21 V

    At 180 mA DC per plate

SECTION 2

Rectifier

Other

  • DC output current per plate

    85 mA

    Published rectifier rating

  • DC output current per plate

    85 mA

    Published rectifier rating

  • AC plate voltage RMS per plate

    117 V

    Published circuit condition

  • AC plate voltage RMS per plate

    117 V

    Published circuit condition

Characteristics

  • Tube voltage drop

    21 V

    At 180 mA DC per plate

  • Tube voltage drop

    21 V

    At 180 mA DC per plate

Data set 02

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Application

  • Service

    Rectifier / voltage doubler

SECTION 2

Rectifier

Application

  • Service

    Rectifier / voltage doubler

Data set 03

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • Heater/filament voltage

    50 V

    Published heater/filament rating

  • Heater/filament current

    150 mA

    Published heater/filament rating

  • Tube voltage drop

    21 V

    At 130 mA DC

Other

  • DC output current

    65 mA

    RectifierService

  • Peak inverse voltage

    700 V

    RectifierService

  • RMS supply voltage per plate

    235 V

    RectifierService

  • Peak current per plate

    400 mA

    RectifierService

SECTION 2

Rectifier

Characteristic

  • Heater/filament voltage

    50 V

    Published heater/filament rating

  • Heater/filament voltage

    50 V

    Published heater/filament rating

  • Heater/filament current

    150 mA

    Published heater/filament rating

  • Heater/filament current

    150 mA

    Published heater/filament rating

  • Tube voltage drop

    21 V

    At 130 mA DC

Other

  • DC output current

    65 mA

    RectifierService

  • DC output current

    65 mA

    RectifierService

  • Peak inverse voltage

    700 V

    RectifierService

  • RMS supply voltage per plate

    235 V

    RectifierService

  • Peak current per plate

    400 mA

    RectifierService

Data set 04

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Heater voltage

    50 V

  • Heater current

    150 mA

  • Maximum AC plate voltage RMS

    235 V

    HalfWave

  • Tapped heater-section voltage

    2 V

  • AC plate voltage per plate RMS

    117 V

    VoltageDoubler

  • DC output current per plate

    65 mA

    VoltageDoubler

SECTION 2

Rectifier

Other

  • Heater voltage

    50 V

  • Heater voltage

    50 V

  • Heater current

    150 mA

  • Heater current

    150 mA

  • Maximum AC plate voltage RMS

    235 V

    HalfWave

  • Maximum AC plate voltage RMS

    235 V

    HalfWave

  • Tapped heater-section voltage

    2 V

  • Tapped heater-section voltage

    2 V

  • AC plate voltage per plate RMS

    117 V

    VoltageDoubler

  • AC plate voltage per plate RMS

    117 V

    VoltageDoubler

  • DC output current per plate

    65 mA

    VoltageDoubler

  • DC output current per plate

    65 mA

    VoltageDoubler