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Power - Tetrode (NOT beam) (over 1000V 100W) ·Tetrode

RK65

Raytheon transmitting tetrode providing approximately 565 W RF output from a 3 kV plate supply.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
JUMBO4PIN
Socket code
-
Base pins
4
Nominal heater
5 V / 14 A

Description

Directly heated transmitting RF tetrode, co-designated 5D23/RK65, for RF power-amplifier service.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
JUMBO4PIN
Socket code
-
Base pins
4
Nominal heater voltage
5 V
Nominal heater current
14 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

JUMBO4PIN - 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
Max plate voltage
3000 V
Max screen voltage
500 V
Max plate dissipation
215 W

Promoted only from clearly identified printed ratings/characteristics; additional published operating points retained in TUBE_SECTION_PARAMETER.

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

195X Raytheon Special Purpose Tubes

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Other

  • Control-grid voltage maximum

    -250 V

    RFPowerAmplifier

  • Plate current maximum

    250 mA

    RFPowerAmplifier

  • Control-grid current maximum

    40 mA

    RFPowerAmplifier

  • Screen current maximum

    80 mA

    RFPowerAmplifier

  • Driving power

    15 W

    RFPowerAmplifier

  • Power output

    565 W

    RFPowerAmplifier

Capacitance

  • Grid-to-plate capacitance

    0.42 pF

    Section1

  • Input capacitance

    10 pF

    Section1

  • Output capacitance

    5 pF

    Section1