Tube-number record
2 XM 400
0 archive entries
2 XM 400 is a tube type in the TubeDatabase archive (class: Mercury Vapor Rectifier). Recorded specifications: brand Mazda, year 1947, construction Other / special, socket Special / none, and maximum plate voltage 4000 V. The archive does not yet hold a photographed example of this type.
BrandMazda
ClassMercury Vapor Rectifier
BaseSpecial / none
Construction
Primary TypeOther / special
Rectifier TypeMercury Vapor
EnvelopeVi
Sections1
Filament / Heater
MaterialOxide-coated
Warm-up Time30s
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Internal Voltage Drop | 15 V | — | — | — | — |
Application Notes
The filament must be brought to operating temperature (approx 30 seconds) before anode voltage is applied. Shielding and H.F. filters should be used to protect from electromagnetic fields. Mounting must be vertical, base down.
0 results