Data set 01
1946 Standard Telephone and Cables
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Characteristics
Interelectrode capacitances published
1
See source table for individual capacitances
Power - Beam (NOT sweep) ·BeamPower
CV391
Reliable indirectly heated beam-power tetrode electrically similar to the 807/5B250A family, supplied with flexible leads for direct-wired equipment.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 6.3 V / 900 mA
Description
An indirectly heated beam-power tetrode of reliable construction, electrically similar to the 5B/250A (807), with flexible leads for direct wiring.
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
- 900 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
Beam Power
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.008 S
- Max plate voltage
- 400 V
- Max plate dissipation
- 25 W
- Max cathode current
- 125 mA
Explicit alias/equivalent/co-designation printed in source for 5B254G.
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.