Tube-number record
7Y4
0 archive entries
7Y4 is a tube type in the TubeDatabase archive (class: Full-wave Rectifier). Recorded specifications: brand Sylvania, construction Rectifier, socket Loctal, and maximum plate voltage 450 V. The archive does not yet hold a photographed example of this type.
BrandSylvania
ClassFull-wave Rectifier
BaseLoctal
Filament7 V @ 530 mA
Construction
Primary TypeRectifier
EnvelopeT-9
Sectionsdual
Filament / Heater
Absolute Maximum Ratings
Plate Voltage450 V
Cathode Current70 mA
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Condenser Input | 325 V | — | 150 | — | 70 mA |
| Choke Input | 450 V | — | — | — | 70 mA |
Application Notes
Designed for service in small auto and AC receivers. It is similar to the older 6X5GT and 84 but is smaller physically and is considerably more rugged due to the Lock-In construction.
Datasheets
Datasheet: 7Y4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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