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

236A

Filamentary transmitting power triode intended for RF amplifier and oscillator duty. Manufacturer operating information emphasizes radio-frequency power generation and substantial plate loading rather than receiving-tube amplification.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
MEDIUM4BAYONET
Base pins
-
Nominal heater
21.5 V / 41 A

Description

The Western Electric 236A is a triode listed in the supplied catalog table. It is a water-cooled transmitting type intended for high-power RF service.

Socket description

Medium 4-contact bayonet base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
MEDIUM4BAYONET
Base pins
-
Nominal heater voltage
21.5 V
Nominal heater current
41 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
0.00645 S
Amplification factor
40
Max plate voltage
20000 V
Max plate dissipation
15000 W

Source is a condensed Western Electric catalog table.

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

1956 Western Electric Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Maximum/Typical Power Output

    5000 W

    Catalog-table value

Other

  • Maximum Plate Voltage

    20000 V

    Catalog-table value

  • Maximum Plate Dissipation

    15000 W

    Catalog-table value