Tube-number record
EZ12
0 archive entries
EZ12 is a tube type in the TubeDatabase archive (class: Full-wave rectifier). Recorded specifications: brand VEB RÖHRENWERK ANNA SEGHERS, year 1953, construction Rectifier, base Metal/Glass, socket DIN 41509, and maximum plate voltage 500 V. The archive does not yet hold a photographed example of this type.
BrandVEB RÖHRENWERK ANNA SEGHERS
ClassFull-wave rectifier
BaseDIN 41509
Filament6.3 V @ 900 mA
Construction
Primary TypeRectifier
Rectifier TypeFull-wave
EnvelopeGlass
Base MaterialMetal/Glass
SectionsDouble diode
Filament / Heater
Heater NotesIndirectly heated
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Full-wave rectification (High Voltage) | 500 V | — | — | — | 100 mA |
| Full-wave rectification (Standard) | 400 V | — | — | — | 125 mA |
Application Notes
Condition for 400V to 500V range: 2 x Uzr x L. S = 100,000 mw. Total series resistance consists of Ra + RL + R min.
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