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Power - Triode ·Triode

893R

High-power transmitting triode for RF amplification, oscillation, modulation, or related transmitter and industrial service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
10 V / 61 A

Description

Forced-air-cooled transmitting triode; supplied source contains installation and operating guidance for high-power RF and audio/modulator service.

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
10 V
Nominal heater current
61 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
0.016 S
Amplification factor
35
Max plate voltage
20000 V
Max plate dissipation
20000 W

Forced-air-cooled transmitting triode; highest published service plate limit and dissipation 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

  • HeaterOrFilamentVoltageNominal

    10 V

  • HeaterOrFilamentCurrentNominal

    61 A

  • Maximum Plate Voltage

    20000 V

  • Maximum Plate Dissipation

    20000 W

    ForcedAir

Characteristic

  • Amplification Factor

    35

  • Transconductance

    16000 uS