TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

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)
DisclaimerA–Z indexSubmit a tube
GZ37 vacuum tube outline illustration

Tube-number record

GZ37

1 archive entry

GZ37 is a tube type in the TubeDatabase archive (class: Full-wave Rectifier). Recorded specifications: construction Rectifier, socket Octal, and maximum plate voltage 1850 V. The archive holds 1 photographed example of this type.

ClassFull-wave Rectifier
BaseOctal
Filament5 V @ 2.8 mA

Construction

Primary TypeRectifier
Rectifier TypeIndirectly heated
EnvelopeGlass (142mm max)
SectionsDouble diode

Filament / Heater

Heater NotesIndirectly heated

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Capacitor input300 V—75—250 mA
Capacitor input400 V—75—250 mA
Capacitor input500 V—75—250 mA

Application Notes

Commonly used in capacitor or choke input filter circuits for power supplies.

Datasheets

Datasheet: GZ37.pdf

Download PDF
Loading datasheet...

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

Filters

1 tube found

Manufacturers

Brands

Mullard1

Related tube numbers

Plate Voltage1850 V
Cathode Current350 mA

Audio Performance

Key Features
  • Indirectly heated full-wave rectifier
  • Octal base
Choke input300 V—100—350 mA
Choke input400 V—100—350 mA
Choke input500 V—100—350 mA
CV3781
  • Mullard GZ37, CV378 tube

    GZ37, CV378

    Brand
    Mullard
Showing 1–1 of 1 results