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Rectifier - Full Wave ·Rectifier-Rectifier

50X6

Dual high-vacuum diode for half-wave, full-wave, and voltage-doubler power supplies. Its 50 V low-current heater makes it particularly useful in transformerless receiver equipment.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: 7AJ
Socket code: IO
Base pins: 8
Nominal heater: 50 V / 150 mA

Description

Two independent high-vacuum diodes for half-wave, full-wave, or voltage-doubler power-rectifier service.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

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

7AJ - 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: 75 mA
Rectifier peak forward current: 450 mA
Rectifier forward voltage drop: 22 V
Rectifier max heater-cathode voltage: 350 V

Representative row for two electrically identical independent diode sections.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 700 V
Rectifier nominal output current: 75 mA
Rectifier peak forward current: 450 mA
Rectifier forward voltage drop: 22 V
Rectifier max heater-cathode voltage: 350 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

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
22 V
At 150 mA DC

Other

DC output current
75 mA
RectifierService
Peak inverse voltage
700 V
RectifierService
RMS supply voltage per plate
235 V
RectifierService
Peak current per plate
450 mA
RectifierService

SECTION 2

Rectifier

Characteristic

Heater/filament voltage
50 V
Published heater/filament rating
Heater/filament current
150 mA
Published heater/filament rating

Other

DC output current
75 mA
RectifierService
Peak inverse voltage
700 V
RectifierService

Data set 02

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Heater voltage
50 V
Heater current
150 mA
AC plate voltage each plate RMS
117 V
VoltageDoubler
Filter input condenser
16 uF
VoltageDoubler
Minimum total effective plate-supply impedance
30 ohm
VoltageDoubler
DC output current
75 mA
VoltageDoubler

SECTION 2

Rectifier

Other

Heater voltage
50 V
Heater current
150 mA
AC plate voltage each plate RMS
117 V
VoltageDoubler
Filter input condenser
16 uF
VoltageDoubler
Minimum total effective plate-supply impedance
30 ohm
VoltageDoubler
DC output current
75 mA
VoltageDoubler