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Tube cross-reference

6AL5W alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6AL5W diode (not rectifier). Compare core specifications and verify every restriction before using a replacement.

Exact variations of 6AL5W

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.

  • 5726

    Diode (NOT rectifier)

    Base
    E7-1
    Socket
    B7G
    Base pins
    7
    Sections
    2
    Heater voltage
    6.3 V
    Heater current
    0.3 A

Replacement tubes for 6AL5W

The following tubes are recorded as possible replacements for 6AL5W. This direction does not establish that 6AL5W can replace them.

5726

Diode (NOT rectifier)

Communications And Special Purpose Tubes

The database records 5726 as a possible replacement for6AL5W.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeDiode (NOT rectifier)Diode (NOT rectifier)
ConstructionDiode-DiodeDiode-Diode
Base9ME7-1
SocketB7GB7G
Base pins77
Sections22
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6097

Diode (NOT rectifier)

Communications And Special Purpose Tubes

The database records 6097 as a possible replacement for6AL5W.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeDiode (NOT rectifier)Diode (NOT rectifier)
ConstructionDiode-DiodeDiode-Diode
Base9MNot recorded
SocketB7GIO
Base pins78
Sections22
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A

Where 6AL5W can be used as the replacement

In these recorded relationships, 6AL5W is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6AL5W.

5726

Diode (NOT rectifier)

Communications And Special Purpose Tubes

The database records 6AL5W as a possible replacement for5726.

No special restrictions are recorded for this substitution.

Specification6AL5W replacementOriginal tube
Tube typeDiode (NOT rectifier)Diode (NOT rectifier)
ConstructionDiode-DiodeDiode-Diode
Base9ME7-1
SocketB7GB7G
Base pins77
Sections22
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6058

Diode (NOT rectifier)

Communications And Special Purpose Tubes

The database records 6AL5W as a possible replacement for6058.

No special restrictions are recorded for this substitution.

Specification6AL5W replacementOriginal tube
Tube typeDiode (NOT rectifier)Diode (NOT rectifier)
ConstructionDiode-DiodeDiode-Diode
Base9M6BT
SocketB7GB7G
Base pins77
Sections22
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6097

Diode (NOT rectifier)

Communications And Special Purpose Tubes

The database records 6AL5W as a possible replacement for6097.

No special restrictions are recorded for this substitution.

Specification6AL5W replacementOriginal tube
Tube typeDiode (NOT rectifier)Diode (NOT rectifier)
ConstructionDiode-DiodeDiode-Diode
Base9MNot recorded
SocketB7GIO
Base pins78
Sections22
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6663

Diode (NOT rectifier)

Communications And Special Purpose Tubes

The database records 6AL5W as a possible replacement for6663.

No special restrictions are recorded for this substitution.

Specification6AL5W replacementOriginal tube
Tube typeDiode (NOT rectifier)Diode (NOT rectifier)
ConstructionDiode-DiodeDiode-Diode
Base9MNot recorded
SocketB7GB7G
Base pins77
Sections22
Heater voltage6.3 V6.3 V
Heater current0.3 A0.15 A
6AL5

Diode (NOT rectifier)

Receiving To Industrial Tubes

The database records 6AL5W as a possible replacement for6AL5.

No special restrictions are recorded for this substitution.

Specification6AL5W replacementOriginal tube
Tube typeDiode (NOT rectifier)Diode (NOT rectifier)
ConstructionDiode-DiodeDiode-Diode
Base9ME7-1
SocketB7GB7G
Base pins77
Sections22
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 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 6AL5W specifications →