Specialized - Switching Tube ·Other
5729
Radial-beam tube for high-speed electronic switching, commutation, multiplexing, and telemetering. Its beam-deflection structure electronically selects among output paths without mechanical contacts.
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 6.3 V / 450 mA
Description
National Union 5729 radial-beam tube designed for high-speed electronic switching, commutation, multiplexing, or telemetering service.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 450 mA
- 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
1 physical section, each with unique specifications.
Section 1
Other
- Plate resistance
- 3000000 Ω
- Transconductance
- 0.00002 S
- Amplification factor
- 62
- Max plate voltage
- 500 V
- Max screen voltage
- 300 V
Promoted ratings/characteristics read from the approved National Union datasheet.
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.