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Tube cross-reference

5659 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 5659 power - beam single (not sweep) (under 10w). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 5659

The following tubes are recorded as possible replacements for 5659. This direction does not establish that 5659 can replace them.

12A6

Power - Beam Single (NOT sweep) (under 10W)

Communications And Special Purpose Tubes

The database records 12A6 as a possible replacement for5659.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typePower - Beam Single (NOT sweep) (under 10W)Power - Beam Single (NOT sweep) (under 10W)
ConstructionBeamPowerBeamPower
BaseNot recordedNot recorded
SocketNot recordedIO
Base pins77
Sections11
Heater voltage12.6 V12.6 V
Heater current0.15 A0.15 A

Where 5659 can be used as the replacement

In these recorded relationships, 5659 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 5659.

12A6

Power - Beam Single (NOT sweep) (under 10W)

Receiving To Industrial Tubes

The database records 5659 as a possible replacement for12A6.

No special restrictions are recorded for this substitution.

Specification5659 replacementOriginal tube
Tube typePower - Beam Single (NOT sweep) (under 10W)Power - Beam Single (NOT sweep) (under 10W)
ConstructionBeamPowerBeamPower
BaseNot recordedNot recorded
SocketNot recordedIO
Base pins77
Sections11
Heater voltage12.6 V12.6 V
Heater current0.15 A0.15 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 5659 specifications →