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852

Directly heated transmitting triode for Class C RF power amplification and oscillator service. Rated for 100 W plate dissipation and 3 kV plate voltage, producing approximately 165 W RF output at full ratings to about 30 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: MEDIUM4BAYONET
Base pins: 4
Nominal heater: 10 V / 3.25 A

Description

Directly heated transmitting triode for RF power amplification and oscillator 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: 10 V
Nominal heater current: 3.25 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

Amplification factor: 12
Max plate voltage: 3000 V
Max plate dissipation: 100 W

Published maximum ratings and characteristic values promoted from the approved source.

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

1938 RCA Transmitting Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

HeaterVoltageNominal
10 V
Nominal
HeaterCurrentNominal
3.25 A
Nominal
Maximum Plate Voltage
3000 V
Maximum Plate Dissipation
100 W
Maximum Frequency
30 MHz
Published full-rating frequency guidance
RFPowerOutput
165 W
ClassC Telegraphy; 3000 V plate

Characteristic

Amplification Factor
12
Typical