Tube-number record
DCG 1.5/250
0 archive entries
DCG 1.5/250 is a tube type in the TubeDatabase archive (class: Single Anode Mercury Vapour Rectifying Tube). Recorded specifications: brand Philips, construction Rectifier, base Standard, socket 4-pin, and maximum plate voltage 4250 V. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassSingle Anode Mercury Vapour Rectifying Tube
Base4-pin
Construction
Primary TypeRectifier
Rectifier TypeSingle Anode
EnvelopeGlass
Base MaterialStandard
SectionsSingle
Filament / Heater
MaterialOxide-coated
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Rectifier | — | — | — | — | 250 mA |
Application Notes
In order to ameliorate the life of the tube a preheating time of the filament of at least 15 sec. is recommended. Phase shift of 90 degrees +/- 30 degrees between Va and Vf and use of a centre-tapped filament transformer is recommended.
0 results