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Tube cross-reference

3CZ3 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 3CZ3 rectifier - tv line scan boost. Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 3CZ3

The following tubes are recorded as possible replacements for 3CZ3. This direction does not establish that 3CZ3 can replace them.

3A3C

Rectifier - TV Line Scan Boost

Receiving Tubes

The database records 3A3C as a possible replacement for3CZ3.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeRectifier - TV Line Scan BoostRectifier - TV Line Scan Boost
ConstructionRectifierRectifier
BaseNot recordedNot recorded
SocketB9AIO
Base pins66
Sections11
Heater voltage3.15 V3.15 V
Heater current0.48 A0.22 A
3CZ3A

Rectifier - TV Line Scan Boost

Receiving Tubes

The database records 3CZ3A as a possible replacement for3CZ3.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeRectifier - TV Line Scan BoostRectifier - TV Line Scan Boost
ConstructionRectifierRectifier
BaseNot recorded8EZ
SocketB9AIO
Base pins68
Sections11
Heater voltage3.15 V3.15 V
Heater current0.48 A0.48 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 3CZ3 specifications →