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Tube Tinker — Electron Tube Database

Specialized tube type

Specialized - Ballast vacuum tubes

Specialized - Ballast records in Tube Tinker cover 364 tube designations, including 100 preserved original datasheets. Compare bases, sockets, heater requirements, construction, exact variations, and directional replacement options.

Search this type in the catalog →
Tube records
364
Original datasheets
100
Variation families
0
Tubes with alternatives
1

About Specialized - Ballast tubes

Apply this if the tube is described as a ballast tube.

Electrical range

Nominal heater voltage
1 V
Nominal heater current
0.07–0.74 A

Common specialized - ballast characteristics

These are the most frequently recorded attributes among tubes in this category.

Bases

  • 4T1
  • P301
  • P30X1
  • P30Y1

Sockets

  • B45
  • UX45
  • IO2
  • OCTAL72
  • B71
  • B7G1
  • GOLIATH1
  • OCTAL51

Constructions

  • Ballast54

Specialized - Ballast tube list

Page 8 of 8

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  • K72B

    Specialized - Ballast

    K72B specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • K74B

    Specialized - Ballast

    K74B specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • K74C

    Specialized - Ballast

    K74C specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • K80B

    Specialized - Ballast

    K80B specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • K80C

    Specialized - Ballast

    K80C specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • K87B

    Specialized - Ballast

    K87B specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • K90B

    Specialized - Ballast

    K90B specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • KL25

    Specialized - Ballast

    KL25 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • KL25H

    Specialized - Ballast

    KL25H specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • KL45

    Specialized - Ballast

    KL45 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • KL50E

    Specialized - Ballast

    KL50E specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • KL50H

    Specialized - Ballast

    KL50H specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • NB1

    Ballast

    Raytheon NB-series resistance/ballast tube for 2-volt battery receivers, selected for a specific nominal filament-current drain and usable with storage-battery, air-cell, or dry-cell supplies.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • NB2

    Ballast

    Raytheon NB-series ballast regulator for 2-volt battery receivers, providing a defined filament-current load for storage-battery, air-cell, and dry-cell operation.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • NB3

    Ballast

    Raytheon NB-series resistance tube for battery receivers, designed to regulate a specific filament-current drain across common low-voltage battery supply arrangements.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • NB4

    Ballast

    Raytheon NB-series ballast regulator for 2-volt battery receiving equipment, maintaining the intended filament current when used with specified battery taps.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • NB5

    Ballast

    Raytheon NB-series resistance/ballast tube for battery receivers, providing controlled filament-current drain for 2-volt storage-battery, air-cell, or dry-cell supplies.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • NB6

    Ballast

    Raytheon NB-series ballast regulator for 2-volt battery receivers, designed for filament strings drawing approximately 600 mA.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • NB7

    Ballast

    Raytheon NB-series ballast regulator for 2-volt battery receivers, designed for filament strings drawing approximately 660 mA.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • NB8

    Ballast

    Raytheon NB-series ballast regulator for 2-volt battery receivers, designed for filament strings drawing approximately 720 mA.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • SEE50A1

    Specialized - Ballast

    SEE50A1 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • SEE5624

    Specialized - Ballast

    SEE5624 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • TUPEB

    Specialized - Ballast

    TUPEB specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • TYPEA

    Specialized - Ballast

    TYPEA specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • TYPEC

    Specialized - Ballast

    TYPEC specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • U30

    Ballast

    Current-regulator ballast designed to stabilize a nominal 100 mA series-heater string, with published regulation from approximately 87–108 mA over its operating voltage range.

    Base
    Not recorded
    Socket
    B7
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • V2551218A

    Ballast

    V2551218A specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • V2551218B

    Ballast

    Special-purpose ballast/current-regulator device intended to maintain controlled current in series-connected heater or filament circuitry rather than provide amplification.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives