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GZ34, 5AR4
- Maker
- Mullard
- Brand
- Iec Mullard

Tube-number record
17 archive entries
Commonly cross-referenced designations for 5AR4. Compatibility is not guaranteed. Before substituting, verify socket and pinout, heater voltage and current, bias requirements, and maximum ratings against the relevant manufacturers’ datasheets.
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Full-Wave Rectifier (Capacitor-Input Filter) | 450 V | — | 160 | — | 225 mA |
| Full-Wave Rectifier (Capacitor-Input Filter) | 550 V | — | 200 | — | 160 mA |
| Full-Wave Rectifier (Choke-Input Filter) | 450 V | — | — | — | 250 mA |
| Full-Wave Rectifier (Choke-Input Filter) | 550 V | — | — | — | 225 mA |
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