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Tube cross-reference

ZZ1000 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the ZZ1000 voltage regulator. Compare core specifications and verify every restriction before using a replacement.

Exact variations of ZZ1000

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.

  • 8228

    Voltage Regulator

    Base
    T2
    Socket
    Not recorded
    Base pins
    2
    Sections
    1
    Heater voltage
    Not recorded
    Heater current
    Not recorded

Replacement tubes for ZZ1000

The following tubes are recorded as possible replacements for ZZ1000. This direction does not establish that ZZ1000 can replace them.

8228

Voltage Regulator

American To Foreign

The database records 8228 as a possible replacement forZZ1000.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage RegulatorVoltage Regulator
ConstructionVoltageRegulatorVoltageRegulator
BaseT2T2
SocketNot recordedNot recorded
Base pins22
Sections11
Heater voltageNot recordedNot recorded
Heater currentNot recordedNot recorded

Where ZZ1000 can be used as the replacement

In these recorded relationships, ZZ1000 is the replacement tube. The listed original tubes are not automatically suitable as replacements for ZZ1000.

8228

Voltage Regulator

Foreign To American

The database records ZZ1000 as a possible replacement for8228.

No special restrictions are recorded for this substitution.

SpecificationZZ1000 replacementOriginal tube
Tube typeVoltage RegulatorVoltage Regulator
ConstructionVoltageRegulatorVoltageRegulator
BaseT2T2
SocketNot recordedNot recorded
Base pins22
Sections11
Heater voltageNot recordedNot recorded
Heater currentNot recordedNot recorded

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 ZZ1000 specifications →