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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 3 of 8

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  • 1S1G

    Ballast

    RMA-standardized glass-envelope octal ballast tube rated for approximately one volt at 660 mA.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 1T1G

    Ballast

    RMA ballast type rated for approximately 560 mA and constructed with an octal base.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 1TF10

    Specialized - Ballast

    1TF10 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 1TF2

    Specialized - Ballast

    1TF2 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 1U1

    Ballast

    Ballast tube designed for approximately a one-volt drop at a 740 mA operating current.

    Base
    Not recorded
    Socket
    OCTAL6
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 1V1

    Ballast

    Current-regulating ballast tube designed to maintain approximately 540 mA in its specified series circuit.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 1W1

    Ballast

    Ballast tube, 1 V drop at 0.66 A.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 1X1

    Specialized - Ballast

    1X1 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 1Y1

    Ballast

    One-volt ballast tube rated 50 mA.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 200R

    Specialized - Ballast

    200R specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 202

    Ballast

    OSRAM barretter current regulator designed to stabilize current in series circuits through the temperature-dependent resistance of its regulating element.

    Base
    Not recorded
    Socket
    B4
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 203

    Specialized - Ballast

    203 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 204

    Specialized - Ballast

    204 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 212

    Specialized - Ballast

    212 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 224

    Specialized - Ballast

    224 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 23551

    Specialized - Ballast

    23551 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 23553

    Specialized - Ballast

    23553 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 2355A

    Specialized - Ballast

    2355A specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 2355E

    Specialized - Ballast

    2355E specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 2355F

    Specialized - Ballast

    2355F specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 23D4

    Specialized - Ballast

    23D4 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 243

    Specialized - Ballast

    243 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 250R4

    Specialized - Ballast

    250R4 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 26T4A

    Specialized - Ballast

    26T4A specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 274

    Specialized - Ballast

    274 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 2A10

    Specialized - Ballast

    2A10 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 2A12

    Specialized - Ballast

    2A12 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 2A20

    Specialized - Ballast

    2A20 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 2A21

    Ballast

    Western Electric/RMA ballast lamp designed for current-regulating service, with published electrical ratings and operating conditions.

    Base
    Not recorded
    Socket
    OCTAL7
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 2A22

    Ballast

    Western Electric/RMA ballast lamp designed for current-regulating service, with published electrical ratings and operating conditions.

    Base
    Not recorded
    Socket
    OCTAL7
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 2B14

    Specialized - Ballast

    2B14 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 2H10

    Specialized - Ballast

    2H10 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 2H10R

    Specialized - Ballast

    2H10R specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 2H20

    Specialized - Ballast

    2H20 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 2H8

    Specialized - Ballast

    2H8 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 2HT2

    Specialized - Ballast

    2HT2 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 2HT4

    Specialized - Ballast

    2HT4 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 2HT7

    Specialized - Ballast

    2HT7 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 2HTF11

    Specialized - Ballast

    2HTF11 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 2TK7

    Specialized - Ballast

    2TK7 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 2TKF7

    Specialized - Ballast

    2TKF7 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 3008

    Specialized - Ballast

    3008 specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 300R

    Specialized - Ballast

    300R specialized - ballast electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 301

    Ballast

    OSRAM barretter current regulator designed to stabilize current in series circuits through the temperature-dependent resistance of its regulating element.

    Base
    Not recorded
    Socket
    B4
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 302

    Ballast

    OSRAM barretter current regulator designed for automatic current stabilization in series-connected electrical circuits.

    Base
    Not recorded
    Socket
    B4
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 303

    Ballast

    OSRAM barretter current regulator designed for automatic current stabilization in series-connected electrical circuits.

    Base
    Not recorded
    Socket
    B4
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 304

    Ballast

    OSRAM barretter current regulator designed for automatic current stabilization in series-connected electrical circuits.

    Base
    Not recorded
    Socket
    B4
    Heater
    Not recorded
    Sections
    1
    SpecificationsAlternatives
  • 314

    Specialized - Ballast

    314 specialized - ballast electronic tube specifications and datasheets.

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