Data set 01
1999 Philips E-Z
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Tested anode dissipation
1500 W
Characteristic
Filament current
24.5 A
Power - Triode (over 1000V 100W) ·Triode
TA42000
Air-cooled high-mu transmitting triode for shortwave RF service. Approximately 1 kW plate dissipation and 6 kV capability provide strong power gain for substantial professional shortwave transmitter stages.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 22 V / 24.5 A
Description
TA42000 is a air-cooled transmitting triode for short-wave rf service. The supplied Philips datasheet was read for filament data, limiting ratings, characteristic constants, operating classes, cooling requirements, and interelectrode capacitances where published.
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
- 22 V
- Nominal heater current
- 24.5 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
- 12500 Ω
- Transconductance
- 0.004 S
- Amplification factor
- 50
- Max plate voltage
- 6000 V
- Max plate dissipation
- 1000 W
Air-cooled transmitting triode for short-wave RF service
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.