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Power - Triode (over 1000V 100W) ·Triode

GL51025

Forced-air-cooled metal-ceramic triode with internal feedback, designed specifically as a pulsed L-band oscillator for airborne or ground radar.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 3.8 A

Description

The GL-51025 is a heat-sink and forced-air-cooled metal-ceramic triode with internal feedback, especially designed for pulsed L-band oscillator service in airborne or ground-based radar equipment.

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
3.8 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
Max plate voltage
8000 V
Max plate dissipation
110 W
Max grid dissipation
3.5 W
Max cathode current
10 A

Pulsed L-band oscillator triode; pulse-service maximum ratings promoted.

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

  • DC Plate Current During Pulse

    10 A

    ClassC Pulse

  • DC Grid Voltage During Pulse

    -400 V

    ClassC Pulse

  • Pulse Width

    10 us

    ClassC Pulse

  • Duty Factor

    0.003 ratio

    ClassC Pulse

Characteristic

  • Typical Useful Pulse Power Output

    40 kW

    1300MHz