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Tube cross-reference

19CG3 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 19CG3 rectifier - damper diode. Compare core specifications and verify every restriction before using a replacement.

Exact variations of 19CG3

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.

  • 19DQ3

    Rectifier - Damper Diode

    Base
    12FX
    Socket
    B12C
    Base pins
    12
    Sections
    1
    Heater voltage
    19 V
    Heater current
    0.6 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 19CG3 specifications →