TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
DisclaimerA–Z indexSubmit a tube
2T/270K vacuum tube outline illustration

Tube-number record

2T/270K

0 archive entries

2T/270K is a tube type in the TubeDatabase archive (class: Rectifier). Recorded specifications: brand Standard Telephones and Cables Limited, construction Rectifier, socket Miniature 7-pin (B7G), and maximum plate voltage 5500 V. The archive does not yet hold a photographed example of this type.

BrandStandard Telephones and Cables Limited
ClassRectifier
BaseMiniature 7-pin (B7G)
Filament4 V @ 500 mA

Construction

Primary TypeRectifier
Rectifier TypeHalf-Wave
EnvelopeMiniature
SectionsSingle

Filament / Heater

Heater NotesIndirectly-heated, oxide-coated

Absolute Maximum Ratings

Application Notes

The above ratings apply to operation with a capacitor input filter and supply frequency of 50 c/s.

Filters

0 tubes found

Manufacturers

Brands

    0 results
    Plate Voltage5500 V
    Cathode Current5 mA

    Audio Performance

    Key Features
    • Miniature
    • Half-Wave
    • High-Voltage
    • Indirectly-heated
    • Oxide-coated