Data set 01
1971 English Electric Valve
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Anode dissipation BR189
27 kW
BR189
Output power class C telegraphy
30 kW
ClassC
Power - Triode ·Triode
BY189A
Radio-frequency transmitting triode with grid terminals arranged for cathode-drive operation in RF power-amplifier service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- -
Description
R.f. transmitting triode with grid terminals suitable for cathode-drive operation.
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
- -
- Nominal heater current
- -
- 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
Triode
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.275 S
- Amplification factor
- 34
- Max plate voltage
- 15000 V
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.