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QY2100

Thoriated-tungsten beam-power tetrode with 100-watt anode dissipation, designed for Class-C RF amplifier service at frequencies to approximately 60 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 10 V / 5 A

Description

Thoriated-tungsten beam power tetrode with 100 W anode dissipation for Class-C RF amplifier service to about 60 MHz.

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: 5 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

Beam Power

X-ray radiationInterelectrode capacitances

Plate resistance: 45000 Ω
Transconductance: 0.00375 S
Max plate voltage: 2000 V
Max screen voltage: 400 V
Max plate dissipation: 100 W

Published ratings and characteristics promoted semantically from the approved source; repeated identical physical sections compressed where applicable.

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

1951 Mullard Valve and Service Manual

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Operating Frequency Maximum
60 MHz
Plate Voltage
2000 V
ClassC
Power Output
180 W
ClassC,AnodeAndScreenModulated