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
18GD6A vacuum tube outline illustration

Tube-number record

18GD6A

0 archive entries

18GD6A is a tube type in the TubeDatabase archive (class: RF Pentode). Recorded specifications: brand Sylvania, construction Pentode, socket Miniature 7-pin (B7G), maximum plate voltage 150 V, and maximum plate dissipation 2.5 W. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassRF Pentode
BaseMiniature 7-pin (B7G)
Filament18 V @ 100 mA

Construction

Primary TypePentode
EnvelopeT-5 1/2
SectionsSingle

Filament / Heater

MaterialCoated Unipotential
Warm-up Time20s
Heater NotesControlled heater warm-up time; Heater current range 94-106 mA

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation100 V4300500000—5 mA

Application Notes

Designed for RF and IF applications in AC/DC type radio receivers.

Datasheets

Datasheet: 18GD6A.pdf

Download PDF
Loading datasheet...

Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

Filters

0 tubes found

Manufacturers

Brands

    0 results

    Absolute Maximum Ratings

    Plate Voltage150 V
    Plate Dissipation2.5 W
    Grid 2 Voltage150 V
    H-C Voltage100 V

    Audio Performance

    Key Features
    • Miniature sharp-cutoff pentode
    • Controlled heater warm-up time