827R

Forced-air-cooled beam-power transmitting tube with integral radiator for high-power RF amplifier and oscillator service through approximately 110 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 7.5 V / 25 A

Description

Forced-air-cooled beam-power transmitting tube with integral radiator for high-power RF amplifier and oscillator service to 110 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: 7.5 V
Nominal heater current: 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

Beam Power

X-ray radiationInterelectrode capacitances

Amplification factor: 16
Max plate voltage: 8500 V
Max screen voltage: 1000 V
Max plate dissipation: 800 W
Max cathode current: 500 mA

Published ratings and characteristics promoted semantically from source. Identical twin beam sections are represented by one section row while Tube.SectionCount preserves the two physical sections.

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 RCA Transmitting Tubes

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

Amplification Factor
16

Other

Maximum Plate Voltage
8500 V
Maximum Screen Voltage
1000 V
Maximum Plate Dissipation
800 W
Maximum Cathode Current
500 mA
Full-Input Operating Frequency Maximum
110 MHz