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36W4

Half-wave high-vacuum rectifier for series-heater receiving equipment. Its 35 V heater and moderate current capability suit transformerless radio and similar electronic supplies.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 5BQ
Socket code: B7G
Base pins: 7
Nominal heater: 35 V / 150 mA

Description

36W4 is listed in the supplied receiving-tube handbook as a half-wave high-vacuum rectifier. The published heater/filament rating is 35.0 V at 0.15 A.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 5BQ
Socket code: B7G
Base pins: 7
Nominal heater voltage: 35 V
Nominal heater current: 150 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

5BQ - Terminal pinout

Electrical assignments shared by every tube using this base designation.

Terminal	Section	Connection	Evidence
PIN3H	—	H — Heater Chart transcription; manufacturer confirmation pending	Unverified EIA Base Connections, printed page 127, 5BQ
PIN4H	—	H — Heater Chart transcription; manufacturer confirmation pending	Unverified EIA Base Connections, printed page 127, 5BQ
PIN5P	A	P — Plate (Anode) Chart transcription; manufacturer confirmation pending	Unverified EIA Base Connections, printed page 127, 5BQ
PIN6HCT	—	HCT — Heater Center Tap Chart transcription; manufacturer confirmation pending	Unverified EIA Base Connections, printed page 127, 5BQ
PIN7K	A	K — Cathode Chart transcription; manufacturer confirmation pending	Unverified EIA Base Connections, printed page 127, 5BQ

Section ratings

1 physical section, each with unique specifications.

Section 1

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 330 V
Rectifier nominal output current: 100 mA
Rectifier peak forward current: 600 mA
Rectifier forward voltage drop: 18 V

Published handbook ratings and operating characteristics reviewed.

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

Other

Peak inverse voltage
330 V
Published rectifier service
DC output current
100 mA
Published rectifier service
Peak current
600 mA
Published rectifier service
RMS supply voltage
117 V
Published rectifier service

Characteristic

Tube voltage drop
18 V
At 200 mA DC
Heater/filament voltage
35 V
Published heater/filament rating
Heater/filament current
150 mA
Published heater/filament rating