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Tube cross-reference

25JZ8 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 25JZ8 power - tv vertical output. Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 25JZ8

The following tubes are recorded as possible replacements for 25JZ8. This direction does not establish that 25JZ8 can replace them.

24JZ8

Power - TV Vertical Output

Receiving Tubes

The database records 24JZ8 as a possible replacement for25JZ8.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typePower - TV Vertical OutputPower - TV Vertical Output
ConstructionBeamPower-TriodeBeamPower-Triode
Base12OZ12OZ
SocketB12CB12C
Base pins1212
Sections22
Heater voltage25.2 V26.2 V
Heater current0.3 A0.315 A

Where 25JZ8 can be used as the replacement

In these recorded relationships, 25JZ8 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 25JZ8.

24JZ8

Power - TV Vertical Output

Receiving Tubes

The database records 25JZ8 as a possible replacement for24JZ8.

No special restrictions are recorded for this substitution.

Specification25JZ8 replacementOriginal tube
Tube typePower - TV Vertical OutputPower - TV Vertical Output
ConstructionBeamPower-TriodeBeamPower-Triode
Base12OZ12OZ
SocketB12CB12C
Base pins1212
Sections22
Heater voltage25.2 V26.2 V
Heater current0.3 A0.315 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 25JZ8 specifications →