Data set 01
1938 Raytheon
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
RFOutputPower
25 W
RFPower
Power - Beam (NOT sweep) ·BeamPower
RK49
Heater-type aligned-grid beam tetrode designed for RF power-amplifier and oscillator applications.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- MEDIUM6
- Base pins
- -
- Nominal heater
- 6.3 V / 900 mA
Description
Heater-type aligned-grid beam tetrode RF power amplifier and oscillator.
Socket description
Medium 6-contact base
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- MEDIUM6
- Base pins
- -
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 900 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
X-ray radiationInterelectrode capacitances
- Max plate voltage
- 400 V
- Max screen voltage
- 300 V
- Max plate dissipation
- 25 W
- Max screen dissipation
- 3.5 W
Published ratings/characteristics promoted where directly applicable; identical twin sections are compressed to one section row.
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
1938 Raytheon Amateur
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Characteristics
Heater or filament voltage
6.3 V
Published nominal value
Heater or filament current
900 mA
Published nominal value
Other
Maximum plate dissipation
25 W
Published maximum or highest stated rating
Carrier power output
7 W
ClassB; Telephony
Peak power output
28 W
ClassB; Telephony