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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)

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Tube-number record

5U4G

12 archive entries

5U4G is a tube type in the TubeDatabase archive (class: Full-Wave Vacuum Rectifier). Recorded specifications: brand Sylvania, construction Vacuum, base Medium Shell Octal 5-Pin, socket Octal, and maximum plate voltage 1550 V. The archive holds 12 photographed examples of this type.

Equivalent and related tube numbers

Commonly cross-referenced designations for 5U4G. Compatibility is not guaranteed. Before substituting, verify socket and pinout, heater voltage and current, bias requirements, and maximum ratings against the relevant manufacturers’ datasheets.

GZ32
U52

BrandSylvania

ClassFull-Wave Vacuum Rectifier

BaseOctal

Construction

Primary TypeVacuum

Rectifier Typefull-wave

EnvelopeST-16, T-11 or T-12

Base Material

Datasheets

Datasheet: 5U4G.pdf

Loading datasheet...

Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

Filters

12 tubes found

Manufacturers

Brands

Medium Shell Octal 5-Pin

Sections2

Filament / Heater

MaterialCoated

Absolute Maximum Ratings

Plate Voltage1550 V

Cathode Current800 mA

Audio Performance

Key Features

Filamentary
Full-wave
High vacuum
High current requirements

Typical Operation

Mode	Plate V	Gm (µmhos)	Rp (Ω)	µ	Plate mA
Capacitor Input Filter	300 V	—	35	—	245 mA
Capacitor Input Filter	450 V	—	85	—	225 mA
Choke Input Filter	550 V	—	—	—	225 mA

Application Notes

Horizontal operation is permitted if Pins 1 and 4 are in a vertical plane. AC plate voltage is measured without load.

Fivre

2

Marconi Italiana1

Super Silvertone1

Related tube numbers

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Photo 1 of 23
U52, 5U4G
Brand
Marconi
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Photo 1 of 2
5U4G
Brand
Brimar
5U4G
Brand
Sicte
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Photo 1 of 10
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Photo 1 of 3
5U4G
Brand
Marconi Italiana
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Photo 1 of 2
5U4G
Brand
Brimar
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Photo 1 of 6
5U4G
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5U4G
Brand
Triotron
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Photo 1 of 11
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Photo 1 of 9
5U4G
Brand
Mazda, Belvue

Showing 1–12 of 12 results

5U4G

Brand: Super Silvertone

Brand: Fivre

U52, 5U4G, CV1071

Brand: M.W.T.

5U4G

Brand: Tung-Sol

5U4G

Brand: Fivre