GZ37, CV378
- Brand
- Mullard
Tube-number record
GZ37
1 archive entry
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
Plate Voltage1850 V
Cathode Current350 mA
Audio Performance
Key Features
- Indirectly heated full-wave rectifier
- Octal base
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Capacitor input | 300 V | — | 75 | — | 250 mA |
| Capacitor input | 400 V | — | 75 | — | 250 mA |
| Capacitor input | 500 V | — | 75 | — | 250 mA |
Application Notes
Commonly used in capacitor or choke input filter circuits for power supplies.
Datasheets
Datasheet: GZ37.pdf
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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.