Data set 01
1961 AEI Industrial Valves
Published operating points and test conditions from this source.
SECTION 1
Triode
Construction
Cooling method
Water
Power - Triode (over 1000V 100W) ·Triode
GL889
Water-cooled high-power transmitting triode for professional RF service. Approximately 5 kW plate dissipation and 8.5 kV capability support roughly 10 kW RF output through the HF range.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 11 V / 125 A
Description
American GL889 designation identified on the ESW5000 water-cooled triode sheet.
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
- 11 V
- Nominal heater current
- 125 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
1 physical section, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 2000 Ω
- Transconductance
- 0.01 S
- Amplification factor
- 20
- Max plate voltage
- 8500 V
- Max plate dissipation
- 5000 W
Explicit equivalent/previous designation published on ESW5000 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.
Data set 02
1961 Associated Electrical Industries
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Maximum operating frequency
25 MHz
RF power output
10 kW
Main water flow
3-6 gal/min
Seal air flow
15 ft3/min