7035

Beam-power transmitting tube, explicitly related to the 4X150D, intended for professional RF power service with published frequency and power operating limits.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: B9A
Base pins: 9
Nominal heater: 26.5 V / 580 mA

Description

The 7035 is a beam-power transmitting tube. The supplied datasheet was processed for heater or filament data, maximum ratings, operating characteristics, capacitances where published, and service-specific power or frequency data.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: B9A
Base pins: 9
Nominal heater voltage: 26.5 V
Nominal heater current: 580 mA
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

Max plate voltage: 2000 V
Max screen voltage: 400 V
Max plate dissipation: 250 W
Max screen dissipation: 12 W
Max cathode current: 250 mA

forced-air-cooled beam-power tube (alias of 4X150D)

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

1971 RCA HB3 Binder 6 of 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Maximum DC Plate Voltage
2000 V
Forced-air-cooled RF service
Maximum DC Screen Voltage
400 V
Forced-air-cooled RF service
Plate Dissipation
250 W
Forced-air-cooled RF service
Screen Input
12 W
Forced-air-cooled RF service
Typical DC Plate Voltage
2000 V
Forced-air-cooled RF service
Typical DC Screen Voltage
300 V
Forced-air-cooled RF service
Useful Power Output
100 W
Forced-air-cooled RF service

Characteristics

Mu Factor, Screen to Control Grid
5
Forced-air-cooled RF service
Grid-No.1 to Plate Capacitance
0.05 pF
Forced-air-cooled RF service
Grid-No.1 to Cathode/Screen/Heater Capacitance
16 pF
Forced-air-cooled RF service
Plate to Cathode/Screen/Heater Capacitance
4.4 pF
Forced-air-cooled RF service