Skip to main content

Tube cross-reference

6779 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6779 specialized - thyratron. Compare core specifications and verify every restriction before using a replacement.

Exact variations of 6779

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.

  • Z803U

    Specialized - Switching Tube

    Base
    Not recorded
    Socket
    B7G
    Base pins
    Not recorded
    Sections
    1
    Heater voltage
    Not recorded
    Heater current
    Not recorded

Replacement tubes for 6779

The following tubes are recorded as possible replacements for 6779. This direction does not establish that 6779 can replace them.

Z803U

Specialized - Switching Tube

Foreign To American

The database records Z803U as a possible replacement for6779.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeSpecialized - ThyratronSpecialized - Switching Tube
ConstructionThyratronRelayControlSwitch
BaseNot recordedNot recorded
SocketNot recordedB7G
Base pinsNot recordedNot recorded
Sections11
Heater voltageNot recordedNot recorded
Heater currentNot recordedNot recorded

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 6779 specifications →