Skip to main content

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

4634

RCA high-power beam-power transmitting tube for RF, pulse, modulation, and related transmitter service, with 600-watt maximum plate dissipation and application-specific operating limits.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6 V / 7.6 A

Description

High-power beam power tube for RF, pulse, modulation, or transmitting service. The RCA source was reviewed for heater/filament data, maximum ratings, RF and pulse operating conditions, capacitances, cooling requirements, and application-specific limits.

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
6 V
Nominal heater current
7.6 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
6.6
Max plate voltage
5000 V
Max screen voltage
1200 V
Max plate dissipation
600 W
Max cathode current
500 mA

Published maximum ratings/general electrical characteristics promoted directly; pulse, RF, capacitance, cooling, and service-specific values retained in TUBE_SECTION_PARAMETER.

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 plate voltage

    5000 V

    PromotedValue

  • Maximum screen-grid voltage

    1200 V

    PromotedValue

  • Maximum plate dissipation

    600 W

    PromotedValue

  • Maximum cathode/plate current

    500 mA

    PromotedValue

  • Grid No.t to plate

    0.12 mA

    Published datasheet value

  • Plate to cathode

    0.011 mA

    Published datasheet value

  • ~..~

    250 mA

    Published datasheet value

  • Voltagee

    7 A

    Published datasheet value

  • DC Plate Voltage

    5 A

    Published datasheet value

  • DC Grid-N o.2 Voltage

    1.2 A

    Published datasheet value

  • DC Grid-N o.1 Voltage

    250 mA

    Published datasheet value

  • Peak Plate Currentf

    8 mA

    Published datasheet value

  • Grid-No.2 Input (Average)

    20 mA

    Published datasheet value

  • Grid-N o.1 InputlAverage)

    8 mA

    Published datasheet value

  • Plate Dissipation (Averagelg

    600 mA

    Published datasheet value

Characteristics

  • Mu / amplification factor

    6.6

    PromotedValue

  • Heater/filament voltage

    6 V

    Nominal operating value

  • Heater/filament current

    7.6 A

    Nominal operating value

  • ,,"",~ — published value 1

    6 V

    Published datasheet value

  • ,,"",~ — published value 2

    7.6 V

    Published datasheet value

  • Minimum heating time

    120

    Published datasheet value

  • Mu-Factorb

    6.6

    Published datasheet value

  • Grid No.1 to cathode

    30 pF

    Published datasheet value

  • Grid No.1 to grid No.2

    38 pF

    Published datasheet value

  • Grid No.2 to plate

    5.3 pF

    Published datasheet value

  • (Pulse duration 0.1 s)

    0.1

    Pulse

  • With rectangular wave shape pulses, duty factor of 0.05 and pulse

    0.05

    Pulse

  • DC Plate Voltage

    3000 V

    Published datasheet value

  • Instantaneous Peak Plate Voltage

    7000 V

    Published datasheet value

  • DC Grid•No.2 Voltage

    800 V

    Published datasheet value

  • OC Grid-No.t Voltage

    120 V

    Published datasheet value

  • Peak Positive Grid-No.i Voltage

    25 V

    Published datasheet value

  • Peak Plate Current

    8

    Published datasheet value

  • DC Plate Current

    0.4

    Published datasheet value

  • DC Grid-No.2 Current

    0.012

    Published datasheet value

  • DC Grid-No.t Current

    0.05

    Published datasheet value

  • Load Resistance

    225

    Published datasheet value

  • Plate Dissipation (Average)

    480

    Published datasheet value

  • Useful DC Power Output at Peak of Pulse

    14400

    Pulse

  • b For plate voltage = 500 V, grid-No.2 voltage = 350 V, and — published value 1

    500 V

    Published datasheet value

  • b For plate voltage = 500 V, grid-No.2 voltage = 350 V, and — published value 2

    350 V

    Published datasheet value

  • plate current = 0.24 A

    0.24

    Published datasheet value

  • to 0.05; for higher duty factors, the peak plate current must be

    0.05

    Published datasheet value

  • PEAK PLATE CURRENT -AMPERES — published value 1

    92 A

    Published datasheet value

  • PEAK PLATE CURRENT -AMPERES — published value 2

    2375 A

    Published datasheet value