Tube-number record

108 D 12 GY/119

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BrandValvo

ClassOscilloscope Tube

BaseCRT base (B12 family)

Filament6.3 V @ 100 mA

Construction

Primary TypeDisplay / CRT

EnvelopeRectangular, flat screen, 12 cm diagonal

Sections1

Heater NotesIndirect heating, parallel supply; warmup time approx. 7 seconds

Plate Voltage2200 V

Grid 2 Voltage2200 V

Grid 1 Voltage-200 V

H-C Voltage125 V

Key Features

Mode	Plate V	Gm (µmhos)	Rp (Ω)	µ	Plate mA
Oscilloscope	2000 V	—	—	—	0.01 mA

Designed for portable service oscilloscopes and visual display units with bandwidth up to 25 MHz.

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

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