Tube-number record
T974Y
0 archive entries
T974Y is a tube type in the TubeDatabase archive (class: Radar P.P.I. Tube). Recorded specifications: brand English Electric Valve Co. Ltd., construction Display / CRT, socket CRT base (B8H), and maximum plate voltage 18000 V. The archive does not yet hold a photographed example of this type.
BrandEnglish Electric Valve Co. Ltd.
ClassRadar P.P.I. Tube
BaseCRT base (B8H)
Filament6.3 V @ 0.3 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesSuitable for series or parallel operation. Surge voltage must not exceed 9.5V.
Absolute Maximum Ratings
Plate Voltage18000 V
Grid 2 Voltage800 V
Grid 1 Voltage-200 V
H-C Voltage150 V
Audio Performance
Key Features
- 12-inch Diameter
- Aluminised screen
- Narrow scan angle
- Fluoride screen
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| P.P.I. Display | 16000 V | — | — | — | — |
Application Notes
Intended primarily for marine radar P.P.I. displays. Narrow scan angle permits use of valve or transistor scan amplifiers. Shielding required for X-rays if operated above 16kV.
Datasheets
Datasheet: T974Y.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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