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Tube cross-reference

EZ90 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the EZ90 rectifier - full wave. Compare core specifications and verify every restriction before using a replacement.

Exact variations of EZ90

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.

  • 6X4

    Rectifier - Full Wave

    Base
    5S
    Socket
    B7G
    Base pins
    7
    Sections
    2
    Heater voltage
    6.3 V
    Heater current
    0.6 A

Replacement tubes for EZ90

The following tubes are recorded as possible replacements for EZ90. This direction does not establish that EZ90 can replace them.

6X4

Rectifier - Full Wave

American To Foreign

The database records 6X4 as a possible replacement forEZ90.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeRectifier - Full WaveRectifier - Full Wave
ConstructionRectifier-RectifierRectifier-Rectifier
BaseNot recorded5S
SocketNot recordedB7G
Base pinsNot recorded7
Sections22
Heater voltage6.3 V6.3 V
Heater current0.6 A0.6 A

Where EZ90 can be used as the replacement

In these recorded relationships, EZ90 is the replacement tube. The listed original tubes are not automatically suitable as replacements for EZ90.

5993

Rectifier - Full Wave

Foreign To American

The database records EZ90 as a possible replacement for5993.

No special restrictions are recorded for this substitution.

SpecificationEZ90 replacementOriginal tube
Tube typeRectifier - Full WaveRectifier - Full Wave
ConstructionRectifier-RectifierRectifier-Rectifier
BaseNot recordedNot recorded
SocketNot recordedB9A
Base pinsNot recorded9
Sections22
Heater voltage6.3 V6 V
Heater current0.6 A0.8 A
6063

Rectifier - Full Wave

Foreign To American

The database records EZ90 as a possible replacement for6063.

No special restrictions are recorded for this substitution.

SpecificationEZ90 replacementOriginal tube
Tube typeRectifier - Full WaveRectifier - Full Wave
ConstructionRectifier-RectifierRectifier-Rectifier
BaseNot recorded5BS
SocketNot recordedB7G
Base pinsNot recorded7
Sections22
Heater voltage6.3 V6.3 V
Heater current0.6 A0.6 A
6202

Rectifier - Full Wave

Foreign To American

The database records EZ90 as a possible replacement for6202.

No special restrictions are recorded for this substitution.

SpecificationEZ90 replacementOriginal tube
Tube typeRectifier - Full WaveRectifier - Full Wave
ConstructionRectifier-RectifierRectifier-Rectifier
BaseNot recordedE7-1
SocketNot recordedB7G
Base pinsNot recorded7
Sections22
Heater voltage6.3 V6.3 V
Heater current0.6 A0.6 A
6203

Rectifier - Full Wave

Foreign To American

The database records EZ90 as a possible replacement for6203.

No special restrictions are recorded for this substitution.

SpecificationEZ90 replacementOriginal tube
Tube typeRectifier - Full WaveRectifier - Full Wave
ConstructionRectifier-RectifierRectifier-Rectifier
BaseNot recordedE9-1
SocketNot recordedB9A
Base pinsNot recorded9
Sections22
Heater voltage6.3 V6.3 V
Heater current0.6 A0.9 A
6X4

Rectifier - Full Wave

Foreign To American

The database records EZ90 as a possible replacement for6X4.

No special restrictions are recorded for this substitution.

SpecificationEZ90 replacementOriginal tube
Tube typeRectifier - Full WaveRectifier - Full Wave
ConstructionRectifier-RectifierRectifier-Rectifier
BaseNot recorded5S
SocketNot recordedB7G
Base pinsNot recorded7
Sections22
Heater voltage6.3 V6.3 V
Heater current0.6 A0.6 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 EZ90 specifications →