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Tube cross-reference

Z70U alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the Z70U specialized - switching tube. Compare core specifications and verify every restriction before using a replacement.

Exact variations of Z70U

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.

  • 7710

    Specialized - Switching Tube

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

Where Z70U can be used as the replacement

In these recorded relationships, Z70U is the replacement tube. The listed original tubes are not automatically suitable as replacements for Z70U.

7710

Specialized - Switching Tube

Foreign To American

The database records Z70U as a possible replacement for7710.

No special restrictions are recorded for this substitution.

SpecificationZ70U replacementOriginal tube
Tube typeSpecialized - Switching TubeSpecialized - Switching Tube
ConstructionThyratronTriggerPulseSwitch
BaseNot recordedNot recorded
SocketNot recordedNot recorded
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 Z70U specifications →