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Power - Beam (NOT sweep) (over 1000V 100W) ·BeamPower

7651

High-power beam tetrode intended for audio-frequency output stages, combining substantial plate dissipation with high current capability for professional and hi-fi amplifiers.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
-
Nominal heater
6.3 V / 7.5 A

Description

The 7651 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
-
Nominal heater voltage
6.3 V
Nominal heater current
7.5 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
Max plate voltage
5000 V
Max screen voltage
1200 V
Max plate dissipation
600 W

Published ratings/characteristics promoted from supplied 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

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

    5000 V

    Pulsed RF power service

  • Maximum DC Screen Voltage

    1200 V

    Pulsed RF power service

  • Maximum DC Plate Current During Pulse

    9 A

    Pulsed RF power service

  • Average Plate Dissipation

    600 W

    Pulsed RF power service

  • Peak Positive-Pulse Plate Voltage

    10000 V

    Pulsed RF power service

  • Typical DC Plate Voltage

    4000 V

    Pulsed RF power service

  • Typical Peak Useful Power Output

    209 kW

    Pulsed RF power service

Characteristics

  • Mu Factor, Screen to Control Grid

    13

    Pulsed RF power service