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Tube-number record

18GD6A

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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

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

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

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

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