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Tube cross-reference

5V3A alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 5V3A rectifier - full wave. Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 5V3A

The following tubes are recorded as possible replacements for 5V3A. This direction does not establish that 5V3A can replace them.

5AU4

Rectifier - Full Wave

Receiving Tubes

The database records 5AU4 as a possible replacement for5V3A.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeRectifier - Full WaveRectifier - Full Wave
ConstructionRectifier-RectifierRectifier-Rectifier
BaseNot recorded5T
SocketIOIO
Base pins88
Sections22
Heater voltage5 V5 V
Heater current3 A3.75 A

Where 5V3A can be used as the replacement

In these recorded relationships, 5V3A is the replacement tube. The listed original tubes are not automatically suitable as replacements for 5V3A.

5AS4A

Rectifier - Full Wave

Receiving Tubes

The database records 5V3A as a possible replacement for5AS4A.

No special restrictions are recorded for this substitution.

Specification5V3A replacementOriginal tube
Tube typeRectifier - Full WaveRectifier - Full Wave
ConstructionRectifier-RectifierRectifier-Rectifier
BaseNot recorded5T
SocketIOIO
Base pins85
Sections22
Heater voltage5 V5 V
Heater current3 A3 A
5AU4

Rectifier - Full Wave

Receiving Tubes

The database records 5V3A as a possible replacement for5AU4.

No special restrictions are recorded for this substitution.

Specification5V3A replacementOriginal tube
Tube typeRectifier - Full WaveRectifier - Full Wave
ConstructionRectifier-RectifierRectifier-Rectifier
BaseNot recorded5T
SocketIOIO
Base pins88
Sections22
Heater voltage5 V5 V
Heater current3 A3.75 A
5AW4

Rectifier - Full Wave

Receiving Tubes

The database records 5V3A as a possible replacement for5AW4.

No special restrictions are recorded for this substitution.

Specification5V3A replacementOriginal tube
Tube typeRectifier - Full WaveRectifier - Full Wave
ConstructionRectifier-RectifierRectifier-Rectifier
BaseNot recorded5T
SocketIOIO
Base pins88
Sections22
Heater voltage5 V5 V
Heater current3 A3 A
5U4G

Rectifier - Full Wave

Receiving Tubes

The database records 5V3A as a possible replacement for5U4G.

No special restrictions are recorded for this substitution.

Specification5V3A replacementOriginal tube
Tube typeRectifier - Full WaveRectifier - Full Wave
ConstructionRectifier-RectifierRectifier-Rectifier
BaseNot recorded5T
SocketIOIO
Base pins88
Sections22
Heater voltage5 V5 V
Heater current3 A3 A
5U4GA

Rectifier - Full Wave

Receiving Tubes

The database records 5V3A as a possible replacement for5U4GA.

No special restrictions are recorded for this substitution.

Specification5V3A replacementOriginal tube
Tube typeRectifier - Full WaveRectifier - Full Wave
ConstructionRectifier-RectifierRectifier-Rectifier
BaseNot recorded5T
SocketIOIO
Base pins88
Sections22
Heater voltage5 V5 V
Heater current3 A3 A
5U4GB

Rectifier - Full Wave

Receiving Tubes

The database records 5V3A as a possible replacement for5U4GB.

No special restrictions are recorded for this substitution.

Specification5V3A replacementOriginal tube
Tube typeRectifier - Full WaveRectifier - Full Wave
ConstructionRectifier-RectifierRectifier-Rectifier
BaseNot recorded5T
SocketIOIO
Base pins88
Sections22
Heater voltage5 V5 V
Heater current3 A3 A
5V3

Rectifier - Full Wave

Receiving Tubes

The database records 5V3A as a possible replacement for5V3.

No special restrictions are recorded for this substitution.

Specification5V3A replacementOriginal tube
Tube typeRectifier - Full WaveRectifier - Full Wave
ConstructionRectifier-RectifierRectifier-Rectifier
BaseNot recordedNot recorded
SocketIOIO
Base pins88
Sections22
Heater voltage5 V5 V
Heater current3 A3.8 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 5V3A specifications →