6W5G

Indirectly heated full-wave high-vacuum rectifier for AC power supplies. Rated for approximately 1.25 kV peak inverse voltage and 100 mA DC output from a 6.3 V heater.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: 6S
Socket code: IO
Base pins: 8
Nominal heater: 6.3 V / 900 mA

Description

Full-wave high-vacuum rectifier with a 6.3 V, 0.9 A heater.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 6S
Socket code: IO
Base pins: 8
Nominal heater voltage: 6.3 V
Nominal heater current: 900 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

6S - Terminal pinout

Electrical assignments shared by every tube using this base designation.

Terminal	Section	Connection	Evidence
PIN1IS	A	IS — Internal Screen EIA chart transcription; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 127, 6S
PIN2H	—	H — Heater EIA chart transcription; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 127, 6S
PIN32P	A	P — Plate (Anode) EIA chart transcription; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 127, 6S
PIN51P	A	P — Plate (Anode) EIA chart transcription; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 127, 6S
PIN7H	—	H — Heater EIA chart transcription; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 127, 6S
PIN8K	A	K — Cathode EIA chart transcription; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 127, 6S

Section ratings

2 physical sections, each with unique specifications.

Section 1

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 1250 V
Rectifier nominal output current: 90 mA
Rectifier peak forward current: 270 mA
Rectifier forward voltage drop: 24 V
Rectifier max heater-cathode voltage: 500 V

Source-defined physical/function section.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 1250 V
Rectifier nominal output current: 90 mA
Rectifier peak forward current: 270 mA
Rectifier forward voltage drop: 24 V
Rectifier max heater-cathode voltage: 500 V

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 Ken Rad

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

Plate Voltage
350 V
AC Plate Voltage (RMS per plate) 350 Volts Max.
Load Current
100 mA
Load Current 100 Milliamperes Max.

Data set 02

1937 Raytheon Radio Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Heater voltage
6.3 V
Section1
Heater current
900 mA
Section1
RMS AC voltage per plate maximum
350 V
FullWave
DC output current maximum
100 mA
FullWave
Maximum heater-cathode DC voltage
500 V
FullWave

Data set 03

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Maximum peak inverse voltage
1250 V
Nominal DC output current
90 mA
Maximum peak forward current
270 mA
Maximum RMS supply voltage
325 V

Characteristic

Forward voltage drop
24 V
Forward-voltage-drop test current
90 mA