Skip to main content

Tube cross-reference

40KG6A alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 40KG6A power - tv horizontal output (sweep). Compare core specifications and verify every restriction before using a replacement.

Exact variations of 40KG6A

These designations belong to the same electrical variation group. Their names may differ because of international standards, manufacturing tolerances, or materials, but they are recorded as electrically equivalent—not merely substitutes.

  • PL509

    Power - TV Horizontal Output (sweep)

    Base
    38A
    Socket
    B9D
    Base pins
    9
    Sections
    1
    Heater voltage
    40 V
    Heater current
    0.3 A
  • PL519

    Power - TV Horizontal Output (sweep)

    Base
    Not recorded
    Socket
    B9D
    Base pins
    9
    Sections
    1
    Heater voltage
    40 V
    Heater current
    0.3 A

Verify before substituting

Matching a base or heater voltage is not enough to prove that two tubes are interchangeable. Check pin connections, heater current, maximum ratings, bias requirements, warm-up behavior, and the equipment manufacturer’s service documentation before making a substitution.

View the complete 40KG6A specifications →