Power - Beam Single (NOT sweep) (under 10W) ·Pentode
6842
High-voltage pentode for shunt or series regulated power supplies and high-voltage sweep service, rated to approximately 4 kV plate voltage.
- Sections
- 1
- Base
- -
- Socket code
- B7G
- Base pins
- 7
- Nominal heater
- 6.3 V / 150 mA
Description
National Union 6842 high-voltage regulator pentode for shunt or series regulated power supplies and high-voltage sweep service.
Socket description
Miniature 7-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B7G
- Base pins
- 7
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 150 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
Pentode
- Plate resistance
- 930000 Ω
- Transconductance
- 0.0025 S
- Max plate voltage
- 4000 V
- Max screen voltage
- 150 V
- Max plate dissipation
- 8 W
- Max screen dissipation
- 0.5 W
- Max cathode current
- 10 mA
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.