Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Heater voltage
5 V
Heater current
3.5 A
SECTION 2
Rectifier
Other
Heater voltage
5 V
Heater current
3.5 A
Rectifier - Full Wave ·Rectifier-Rectifier
5CU4
Indirectly heated high-perveance full-wave rectifier intended particularly for television power supplies. Its 5 V heater supports approximately 425 mA DC output for demanding high-current supply applications.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater
- 5 V / 3.5 A
Description
5CU4 is described in the supplied Tung-Sol datasheet as a indirectly heated high-perveance television power rectifier. The redo includes a substantive section-electrical extraction from ratings and characteristic tables.
Socket description
International Octal
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater voltage
- 5 V
- Nominal heater current
- 3.5 A
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
2 physical sections, each with unique specifications.
Section 1
Rectifier
X-ray radiationInterelectrode capacitances
- Rectifier peak inverse voltage
- 800 V
- Rectifier nominal output current
- 425 mA
REDO: section-specific promoted ratings/characteristics populated from supplied datasheet.
Section 2
Rectifier
X-ray radiationInterelectrode capacitances
- Rectifier peak inverse voltage
- 800 V
- Rectifier nominal output current
- 425 mA
Second physical rectifier section; promoted electrical properties populated from identical section.
Source-dependent data
Operating conditions by source
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 02
1966 Tung Sol Electronic Tubes 1 of 4
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristic
Heater/filament voltage
5 V
Published rating
Heater/filament current
3.5 A
Published rating
Heater voltage
5 V
Published
Other
Application
Television power supply
RectifierService
SECTION 2
Rectifier
Characteristic
Heater/filament voltage
5 V
Published rating
Heater/filament current
3.5 A
Published rating
Heater voltage
5 V
Published
Other
Application
Television power supply
RectifierService