Tube-number record

A47-18W

0 archive entries

BrandMullard

ClassTelevision Tube

BaseDuodecal

Filament6.3 V @ 300 mA

Construction

Primary TypeDisplay / CRT

EnvelopeReinforced Glass

SectionsSingle

Filament / Heater

Heater NotesSuitable for series or parallel operation. Surge voltage must not exceed 9.5 Vrms.

Absolute Maximum Ratings

Plate Voltage18000 V

Grid 2 Voltage700 V

Grid 1 Voltage-150 V

H-C Voltage250 V

Audio Performance

Key Features

Metal backed screen
Reinforced envelope
Safety screen not required
Direct viewing
External conductive coating

Typical Operation

Mode	Plate V	Gm (µmhos)	Rp (Ω)	µ	Plate mA
Visual extinction (Va1=400V)	18000 V	—	—	—	0.1 mA
Visual extinction (Va1=500V)	18000 V	—	—	—	0.1 mA

Application Notes

The tube is electrically identical to the AW47-91. External conductive coating M must be earthed. Metal band B must be connected to chassis via a 2 MOhm resistor.

Datasheets

Datasheet: A47-18W.pdf

Download PDF

Loading datasheet...

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

Sort by

0 results