Power - Beam (NOT sweep) ·BeamPower
2E25A
Improved beam-power transmitting tetrode for RF driver and power-amplifier service, intended for dependable high-frequency output operation in communications equipment.
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- 7
- Nominal heater
- 6 V / 700 mA
Description
Quick-heating 15-watt beam tetrode for RF and AF transmitter service, frequency multiplication, amplification and modulation.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- 7
- Nominal heater voltage
- 6 V
- Nominal heater current
- 700 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
- Transconductance
- 0.0025 S
- Amplification factor
- 6
- Max plate voltage
- 450 V
- Max screen voltage
- 250 V
- Max plate dissipation
- 15 W
- Max screen dissipation
- 5 W
Published ratings and characteristics promoted where clearly legible in the approved source.
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.