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Tube cross-reference

AX105 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the AX105 specialized - thyratron. Compare core specifications and verify every restriction before using a replacement.

Exact variations of AX105

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.

  • FG105

    Specialized - Thyratron

    Base
    Not recorded
    Socket
    Not recorded
    Base pins
    Not recorded
    Sections
    1
    Heater voltage
    5 V
    Heater current
    10 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 AX105 specifications →