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Power - Triode ·Triode

264A

Western Electric power triode for transmitter and amplifier service, with manufacturer operating data supporting power-stage use.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
MEDIUM4BAYONET
Base pins
4
Nominal heater
-

Description

Power triode for transmitter and amplifier 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
4
Nominal heater voltage
-
Nominal heater current
-
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
11800 Ω
Amplification factor
7
Max plate voltage
100 V

Published ratings and characteristics promoted from the approved datasheet.

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

1933 Western Electric Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Plate-grid capacitance

    5.3 pF

    Published direct interelectrode capacitance

  • Plate-filament capacitance

    2.2 pF

    Published direct interelectrode capacitance

  • Grid-filament capacitance

    3.5 pF

    Published direct interelectrode capacitance