Power - Beam (NOT sweep) ·BeamPower
2E25
Beam-power transmitting tetrode designed for RF power amplification and driver service, with ratings suited to communications transmitters and other high-frequency power applications.
- Sections
- 1
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater
- 6 V / 1 A
Description
Instant-heating 15-watt beam tetrode for RF and AF service, including Class C RF, frequency multiplication, audio amplification and modulation.
Socket description
International Octal
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater voltage
- 6 V
- Nominal heater current
- 1 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
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.