Data set 01
1960 Mazda
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Maximum operating frequency
40 MHz
Construction
Cooling method
Forced air
Power - Triode ·Triode
EHA2500
Forced-air-cooled transmitting triode designed for substantial radio-frequency amplifier or oscillator service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 8 V / 80 A
Description
Forced-air-cooled transmitting triode for RF amplifier or oscillator service.
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
- 8 V
- Nominal heater current
- 80 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
- Transconductance
- 0.0055 S
- Amplification factor
- 55
- Max plate voltage
- 7500 V
- Max plate dissipation
- 2500 W
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.