Skip to main content

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

5D22

High-power transmitting tetrode for RF amplifier, modulator, and oscillator service, co-designated with the 4-250A family.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
GIANT5
Base pins
5
Nominal heater
5 V / 14.5 A

Description

5D22 is a Tetrode device. Power transmitting tetrode; supplied table explicitly co-designates 4-250A/5D22.

Socket description

Giant 5-contact base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
GIANT5
Base pins
5
Nominal heater voltage
5 V
Nominal heater current
14.5 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

Tetrode

X-ray radiationInterelectrode capacitances
Transconductance
0.004 S
Amplification factor
5.1
Max plate voltage
4000 V
Max screen voltage
600 V
Max plate dissipation
250 W
Max screen dissipation
35 W
Max grid dissipation
10 W
Max cathode current
510 mA

Promoted from printed maximum-rating and general-characteristics tables.

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

1950 General Electric Transmitting Types

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Characteristic

  • Transconductance

    4000 µS

  • Amplification Factor

    5.1

Other

  • Maximum Plate Voltage

    4000 V

  • Maximum Plate Dissipation

    250 W

  • Maximum Cathode Current

    510 mA

  • Operating Frequency Maximum

    75 MHz

  • Maximum Signal Power Output

    1040 W

    AudioFrequency,ClassAB

Data set 02

1956 RCA Transmitting Tubes

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Characteristic

  • HeaterOrFilamentVoltage

    5 V

  • HeaterOrFilamentCurrent

    2 A

Data set 03

1962 Eimac

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Capacitance

  • Feedback .. c i v it ittt it i i et it e e i e 0.12 pF

    0.12 pF

  • Feedback . .« v v v i v i ittt e it s it et ittt e it et e 0.14 pF

    0.14 pF

Other

  • Maximum plate voltage

    4000 V

  • Maximum screen voltage

    600 V

  • Maximum plate dissipation

    250 W

  • Maximum screen dissipation

    35 W

  • Maximum grid dissipation

    10 W

Data set 04

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Other

  • Plate current

    312 mA

    RFAmplifierOrOscillator

  • RF output power

    1000 W

    RFAmplifierOrOscillator

  • Grid voltage

    -225 V

    RFAmplifierOrOscillator

  • Grid current

    90 mA

    RFAmplifierOrOscillator

  • Screen voltage

    500 V

    RFAmplifierOrOscillator