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Power - Triode ·Triode

DET24GEC

Conduction-cooled UHF disc-seal power triode, commercially equivalent to CV397. Its low-inductance construction, 20 W plate dissipation, and high transconductance suit compact UHF amplifier and oscillator circuits.

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

Description

Conduction-cooled UHF disc-seal triode; commercial equivalent of CV397.

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
1 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

Triode

X-ray radiationInterelectrode capacitances
Transconductance
0.012 S
Amplification factor
28
Max plate voltage
400 V
Max plate dissipation
20 W
Max cathode current
120 mA

Promoted fields mapped semantically from printed ratings/characteristics headings.

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Heater voltage

    6.3 V

    Heater voltage 6.3 V

  • Heater current (approx)

    1 A

    Heater current (approx) 1.0 A

  • DC anode voltage

    400 V

    DC anode voltage 400 V

  • DC anode current

    120 mA

    DC anode current 120 mA

  • Peak anode current

    600 mA

    Peak anode current 600 mA

  • Anode dissipation

    20 W

    Anode dissipation 20 W

  • Negative dc grid voltage

    50 V

    Negative dc grid voltage 50 V

  • Anode seal temperature

    140 degC

    Anode seal temperature 140 °c

  • Frequency

    500 MHz

    Frequency . 500 MHz

  • DC anode voltage

    300 V

    DC anode voltage 300 V

  • DC anode current

    100 mA

    DC anode current 100 mA

  • DC grid current

    40 mA

    DC grid current 40 mA

  • Negative dc grid voltage

    15 V

    Negative dc grid voltage 15 V

  • Load power

    14 W

    Load power 14 W

  • At frequencies below

    500 MHz

    At frequencies below 500 MHz satisfactory performance may be obtained

  • ·

    3 V

    ·3V

  • b'

    3 V

    b'3V

  • o·

    3 V

    o·3V

Capacitance

  • Anode to grid

    2.2 pF

    Anode to grid . 2.2 pF

  • Anode to cathode

    0.04 pF

    Anode to cathode 0.04 pF

  • Grid to cathode

    4.8 pF

    Grid to cathode . 4.8 pF

Characteristic

  • DC anode voltage

    400 V

    DC anode voltage 400 V

  • DC anode current

    50 mA

    DC anode current 50 mA