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

4628

RCA high-power beam-power transmitting tube for RF, pulse, modulation, and related transmitter service, with 10000-watt maximum plate dissipation and application-specific operating limits.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
4.5 V / 125 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
4.5 V
Nominal heater current
125 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
10
Max plate voltage
7500 V
Max screen voltage
1650 V
Max plate dissipation
10000 W
Max cathode current
4 A

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

    7500 V

    PromotedValue

  • Maximum screen-grid voltage

    1650 V

    PromotedValue

  • Maximum plate dissipation

    10000 W

    PromotedValue

  • Maximum cathode/plate current

    4 A

    PromotedValue

  • Grid No.1 to plate

    0.6 mA

    Published datasheet value

  • Plate to fi lament°10

    10 mA

    Published datasheet value

  • Grid No.2 to fi lament°

    3.3 mA

    Published datasheet value

  • Terminal Temperature

    250 mA

    Published datasheet value

  • 'late-Core Temperature

    250 mA

    Published datasheet value

  • Typical value for 1 ampere of DC plate c r ant wi ch carrier turned aff

    1 A

    Published datasheet value

Characteristics

  • Mu / amplification factor

    10

    PromotedValue

  • Heater/filament voltage

    4.5 V

    Nominal operating value

  • Heater/filament current

    125 A

    Nominal operating value

  • Voltage (ac or dc)a — published value 1

    4.5 V

    Published datasheet value

  • Voltage (ac or dc)a — published value 2

    4.75 V

    Published datasheet value

  • Cold Resistance — published value 1

    5

    Published datasheet value

  • Cold Resistance — published value 2

    4

    Published datasheet value

  • Minimum heating time

    15

    Published datasheet value

  • volts=2000, grid-No.2 volts=1375, and do — published value 1

    2000 V

    Published datasheet value

  • volts=2000, grid-No.2 volts=1375, and do — published value 2

    1375 V

    Published datasheet value

  • plate amperes = 9 — published value 1

    9 A

    Published datasheet value

  • plate amperes = 9 — published value 2

    10 A

    Published datasheet value

  • Grid No.1 to fi lam~nent

    60 pF

    Published datasheet value

  • Grid No.1 to grid No.2

    65 pF

    Published datasheet value

  • Plate, grid No. 2, grid No. 1, — published value 1

    2

    Published datasheet value

  • Plate, grid No. 2, grid No. 1, — published value 2

    1

    Published datasheet value

  • temperature to 250° C should be del ivered by a blower through

    250

    Published datasheet value

  • To Plate, Crid-No. 2, Grid-No. 1, Cathode-FiLam en t, and Filament — published value 1

    2

    Published datasheet value

  • To Plate, Crid-No. 2, Grid-No. 1, Cathode-FiLam en t, and Filament — published value 2

    1

    Published datasheet value

  • a minimum peak -to-average power ratio of 2

    2

    Published datasheet value

  • DC Plate Voltage

    7500 V

    Published datasheet value

  • DC Grid-No.2 Voltage

    1650 V

    Published datasheet value

  • DC Grid-No. l Voltage

    -750 V

    Published datasheet value

  • DC Plate Current at Peak of Envelope

    4

    Published datasheet value

  • DC Grid-No. l Current

    500 mA

    Published datasheet value

  • Grid-No.2 Inputh

    150

    Published datasheet value

  • Plate Dissipation

    10000 W

    Published datasheet value

  • DC Plate Voltage

    7000 V

    Published datasheet value

  • DC Grid-No.2 Voltage

    1500 V

    Published datasheet value

  • DC Grid-No. l Voltage

    -200 V

    Published datasheet value

  • Zero-Signal DC Plate Current

    0.5

    Published datasheet value

  • Effective RF Load Resistance

    1200

    Published datasheet value

  • DC Plate Current at Peak of Envelope

    3

    Published datasheet value

  • Average DC Plate Current — published value 1

    2

    Published datasheet value

  • Average DC Plate Current — published value 2

    15

    Published datasheet value

  • DC Grid-No.2 Current at Peak of Envelope — published value 1

    0

    Published datasheet value

  • DC Grid-No.2 Current at Peak of Envelope — published value 2

    1

    Published datasheet value

  • Average DC Grid-No.2 Current

    0.07

    Published datasheet value

  • Output Circuit Efficiency (Approx )

    90

    Published datasheet value

  • DC Plate Current

    2

    Published datasheet value

  • Grid-No.2 Input

    150

    Published datasheet value

  • DC Plate Voltage

    6500 V

    Published datasheet value

  • DC Grid-No.2 Voltage

    1250 V

    Published datasheet value

  • DC frid-No. l Voltage

    -160 V

    Published datasheet value

  • DC Plate Current

    1.4

    Published datasheet value

  • DC Grid-No.2 Current — published value 1

    0

    Published datasheet value

  • DC Grid-No.2 Current — published value 2

    5

    Published datasheet value

  • Driver Power Output

    75

    Published datasheet value

  • Useful Power Output

    2000

    Published datasheet value

  • minal, perpendicular co the tube axis, end is connected to grid No. 2

    2

    Published datasheet value

  • c ermin al, perp en di cider to the cube axis, and is onnec tad to grid No. 1

    1

    Published datasheet value

  • See Electrical Considerations—G~i d-No-2 Voltage Supply

    2 V

    Published datasheet value

  • GRID-No.2 TERMINAL

    22

    Published datasheet value

  • CATNODE-FILAMENT

    2

    Published datasheet value

  • b. Plate Terminal - 3.288

    3.288

    Published datasheet value

  • c. Grid-No.2 Terminal - 3.061

    3.061

    Published datasheet value

  • d. Grid-No.l Terminal - 2.338

    2.338

    Published datasheet value

  • e. Cathode-Filament Terminal - 1.878

    1.878

    Published datasheet value

  • f. Filament Terminal (OD) - 0.908

    0.908

    Published datasheet value

  • g. Filament Terminal (ID) - 0.722

    0.722

    Published datasheet value

  • INCOMING AIR TEMPERATURE-25° C — published value 1

    25

    Published datasheet value

  • INCOMING AIR TEMPERATURE-25° C — published value 2

    1

    Published datasheet value

  • INCOMING AIR TEMPERATURE-25° C — published value 3

    1

    Published datasheet value

  • For Grid-No.2 Voltage = 1250 Volts

    1250 V

    Published datasheet value

  • FILAMENT VOLTS = 4.5 TO 4.75 — published value 1

    4.5 V

    Published datasheet value

  • FILAMENT VOLTS = 4.5 TO 4.75 — published value 2

    4.75 V

    Published datasheet value

  • GRID-No.2 VOLTS = 1250

    1250 V

    Published datasheet value

  • GRID-No.2RMPERES =I~2

    2

    Published datasheet value

  • GRID No. l VOLTS — published value 1

    92 V

    Published datasheet value

  • GRID No. l VOLTS — published value 2

    13498 V

    Published datasheet value

  • For Grid-No.2 Voltage = 1500 Volts

    1500 V

    Published datasheet value

  • GRID-No.2 VOLTS • 1500

    1500 V

    Published datasheet value

  • GRID-No.2RMPERES •I~2

    2

    Published datasheet value

  • GRID No.l TO GRID No 2

    2

    Published datasheet value