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Power - Tetrode (NOT beam) ·Tetrode

RK100

Raytheon gas-filled power tetrode for low-voltage RF oscillator and amplifier service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 900 mA

Description

Gas-filled power-amplifier tube with auxiliary grid for low-voltage audio and 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
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

Tetrode

X-ray radiationInterelectrode capacitances
Plate resistance
2500 Ω
Transconductance
0.016 S
Amplification factor
40
Max plate voltage
150 V
Max plate dissipation
15 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

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Other

  • HeaterVoltageNominal

    6.3 V

    Nominal

  • HeaterCurrentNominal

    900 mA

    Nominal

  • Maximum Plate Voltage

    150 V

  • Maximum Plate Dissipation

    20 W

Characteristic

  • Transconductance

    16000 µS

    Typical

  • Plate Resistance

    2500 ohm

    Typical

Data set 02

1938 Raytheon Amateur

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Characteristics

  • Heater or filament voltage

    6.3 V

    Published nominal value

  • Heater or filament current

    900 mA

    Published nominal value

  • Transconductance

    16000 µS

    Published characteristic

  • Amplification factor

    40

    Published characteristic

  • Transconductance

    16000 µS

    Published upper operating value

  • Amplification factor

    40

    Published

Other

  • Maximum plate dissipation

    15 W

    Published maximum or highest stated rating

  • Ionizing current

    250 mA

    Published maximum

  • Control-grid current

    100 mA

    Published maximum

  • RF oscillator power output

    3.5 W

    ClassC