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

GL833A

General Electric transmitting triode for RF and audio power service. Approximately 300 W plate dissipation and 3 kV capability support substantial push-pull amplifier and transmitter applications.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B4B
Base pins
-
Nominal heater
10 V / 10 A

Description

High-power transmitting triode for amplifier, oscillator, and Class-B modulator service.

Socket description

Medium 4-pin bayonet

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B4B
Base pins
-
Nominal heater voltage
10 V
Nominal heater current
10 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
Amplification factor
35
Max plate voltage
4000 V
Max plate dissipation
400 W

Promoted fields mapped from printed ratings/characteristics headings; specialized published data retained in parameter rows.

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

  • Effective load, plate to plate. 9500 12000

    11000 ohms

    Effective load, plate to plate. 9500 12000 11000 ohms

  • Load resistance, pertube. . .. ...... ... .. 2375 3000

    2750 ohms

    Load resistance, pertube. . .. ...... ... .. 2375 3000 2750 ohms

  • 4000 3600

    3600 ohms

    4000 3600 3600 ohms

  • D-c grid current, approx

    75 A

    D-c grid current, approx... . ... .. ........ 75 A 85A 90 A 100 100 100 milliamperes

  • 3500 2650

    2400 ohms

    3500 2650 2400 ohms

  • 425 380

    380 ohms

    425 380 380 ohms

  • D-c grid current, approx

    55 A

    D-c grid current, approx................. 55A 75 A 95 A 100 100 100 milliamperes

  • of

    40 cfm

    of 40 cfm from a two-inch diameter nozzle directed vertically downward on bulb between grid and plate sealsis