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Tube cross-reference

25CA5 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 25CA5 power - beam single (not sweep) (under 10w). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 25CA5

The following tubes are recorded as possible replacements for 25CA5. This direction does not establish that 25CA5 can replace them.

25C5

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

Receiving Tubes

The database records 25C5 as a possible replacement for25CA5.

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
Base7CV7CV
SocketNot recordedB7G
Base pins77
Sections11
Heater voltage25 V25 V
Heater current0.3 A0.3 A
25EH5

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

Receiving Tubes

The database records 25EH5 as a possible replacement for25CA5.

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
Base7CV7CV
SocketNot recordedB7G
Base pins77
Sections11
Heater voltage25 V25 V
Heater current0.3 A0.3 A

Where 25CA5 can be used as the replacement

In these recorded relationships, 25CA5 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 25CA5.

25EH5

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

Receiving Tubes

The database records 25CA5 as a possible replacement for25EH5.

No special restrictions are recorded for this substitution.

Specification25CA5 replacementOriginal tube
Tube typePower - Beam Single (NOT sweep) (under 10W)Power - Beam Single (NOT sweep) (under 10W)
ConstructionBeamPowerBeamPower
Base7CV7CV
SocketNot recordedB7G
Base pins77
Sections11
Heater voltage25 V25 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 25CA5 specifications →