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Tube cross-reference

40KD6 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 40KD6 power - tv horizontal output (sweep). Compare core specifications and verify every restriction before using a replacement.

Exact variations of 40KD6

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.

  • 36KD6

    Power - TV Horizontal Output (sweep)

    Base
    12GW
    Socket
    B12C
    Base pins
    12
    Sections
    1
    Heater voltage
    36 V
    Heater current
    0.45 A

Where 40KD6 can be used as the replacement

In these recorded relationships, 40KD6 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 40KD6.

36KD6

Power - TV Horizontal Output (sweep)

Receiving Tubes

The database records 40KD6 as a possible replacement for36KD6.

  • No-warmup series circuits only
Specification40KD6 replacementOriginal tube
Tube typePower - TV Horizontal Output (sweep)Power - TV Horizontal Output (sweep)
ConstructionBeamPowerBeamPower
Base12GW12GW
SocketB12CB12C
Base pins1212
Sections11
Heater voltage36 V36 V
Heater current0.45 A0.45 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 40KD6 specifications →