Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

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

3J192E

Air-blast-cooled RF power triode with a massive directly heated filament for high-power transmitting service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
5 V / 66 A

Description

Air-blast-cooled RF power triode.

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
5 V
Nominal heater current
66 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
Plate resistance
1500 Ω
Amplification factor
17
Max plate voltage
7000 V
Max plate dissipation
4500 W
Max cathode current
2 A

Values transcribed from the approved datasheet; additional published data retained as parameters.

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

1946 Standard Telephone and Cables

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Grid to anode

    35 pF

    Published direct interelectrode capacitance

  • Grid to filament

    27 pF

    Published direct interelectrode capacitance

  • Anode to filament

    1.5 pF

    Published direct interelectrode capacitance

  • Heater/filament nominal current

    66 A

    Nominal published value

Data set 02

1947 Standard Valves

Published operating points and test conditions from this source.

SECTION 1

Triode

Capacitance

  • Grid-anode capacitance

    35 pF

  • Grid-cathode/filament capacitance

    27 pF

  • Anode-cathode/filament capacitance

    1.5 pF

Other

  • Maximum frequency for published rating

    22 MHz

  • Cooling method

    Air blast