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Power - Beam (NOT sweep) ·BeamPower

RK41

Aligned-grid beam-power tetrode designed for radio-frequency power amplification and oscillator service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
MEDIUM5
Base pins
-
Nominal heater
2.5 V / 2.4 A

Description

Aligned-grid beam-power tetrode for R-F power amplification and oscillator service.

Socket description

Medium 5-contact transmitting-tube base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
MEDIUM5
Base pins
-
Nominal heater voltage
2.5 V
Nominal heater current
2.4 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

X-ray radiationInterelectrode capacitances
Max plate voltage
600 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 01

1938 Raytheon Amateur

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

  • Heater or filament voltage

    2.5 V

    Published nominal value

  • Heater or filament current

    2.4 A

    Published nominal value

Other

  • Maximum plate dissipation

    25 W

    Published maximum or highest stated rating

  • Carrier power output

    12.5 W

    ClassB; Telephony

  • Peak power output

    50 W

    ClassB; Telephony

  • Maximum operating frequency

    60 MHz

    Full ratings