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Power - Tetrode (NOT beam) ·Tetrode

367A

Western Electric air-cooled heater-cathode tetrode designed for RF power service. Manufacturer documentation identifies it as a transmitting-class radio-frequency output device.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
IO
Base pins
8
Nominal heater
6.3 V / 1.6 A

Description

The Western Electric 367A is an air-cooled heater-cathode tetrode for RF power service.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
IO
Base pins
8
Nominal heater voltage
6.3 V
Nominal heater current
1.6 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

Tetrode

X-ray radiationInterelectrode capacitances
Transconductance
0.00625 S
Max plate voltage
400 V
Max plate dissipation
25 W
Max cathode current
125 mA

RF transmitting tetrode.

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

Tetrode

Other

  • Maximum Plate Current

    125 mA

  • Typical Maximum Power Output

    20 W

    ClassB; RF

Characteristics

  • Typical Plate Voltage

    400 V

  • Typical Plate Current

    53 mA