Tube cross-reference
12C5 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 12C5 power - beam single (not sweep) (under 10w). Compare core specifications and verify every restriction before using a replacement.
Exact variations of 12C5
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.
12CU5 Power - Beam (NOT sweep)
- Base
- 7CV
- Socket
- B7G
- Base pins
- 7
- Sections
- 1
- Heater voltage
- 12.6 V
- Heater current
- 0.6 A
Replacement tubes for 12C5
The following tubes are recorded as possible replacements for 12C5. This direction does not establish that 12C5 can replace them.
Power - Beam Single (NOT sweep) (under 10W)
The database records 12AS5 as a possible replacement for12C5.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Beam Single (NOT sweep) (under 10W) | Power - Beam Single (NOT sweep) (under 10W) |
| Construction | BeamPower | BeamPower |
| Base | 7CV | 7CV |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 12.6 V | 12.6 V |
| Heater current | 0.6 A | 0.4 A |
Power - Beam (NOT sweep)
The database records 12CU5 as a possible replacement for12C5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Beam Single (NOT sweep) (under 10W) | Power - Beam (NOT sweep) |
| Construction | BeamPower | BeamPower |
| Base | 7CV | 7CV |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 12.6 V | 12.6 V |
| Heater current | 0.6 A | 0.6 A |
Power - TV Horizontal Output (sweep)
The database records 12DM5 as a possible replacement for12C5.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Beam Single (NOT sweep) (under 10W) | Power - TV Horizontal Output (sweep) |
| Construction | BeamPower | BeamPower |
| Base | 7CV | 7CV |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 12.6 V | 12.6 V |
| Heater current | 0.6 A | 0.45 A |
Power - TV Vertical Output
The database records 12R5 as a possible replacement for12C5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Beam Single (NOT sweep) (under 10W) | Power - TV Vertical Output |
| Construction | BeamPower | BeamPower |
| Base | 7CV | Not recorded |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 12.6 V | 12.6 V |
| Heater current | 0.6 A | 0.3 A |
Where 12C5 can be used as the replacement
In these recorded relationships, 12C5 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 12C5.
Power - Beam (NOT sweep)
The database records 12C5 as a possible replacement for12CU5.
No special restrictions are recorded for this substitution.
| Specification | 12C5 replacement | Original tube |
|---|---|---|
| Tube type | Power - Beam Single (NOT sweep) (under 10W) | Power - Beam (NOT sweep) |
| Construction | BeamPower | BeamPower |
| Base | 7CV | 7CV |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 12.6 V | 12.6 V |
| Heater current | 0.6 A | 0.6 A |
Power - TV Horizontal Output (sweep)
The database records 12C5 as a possible replacement for12DM5.
- Parallel heater circuits only
| Specification | 12C5 replacement | Original tube |
|---|---|---|
| Tube type | Power - Beam Single (NOT sweep) (under 10W) | Power - TV Horizontal Output (sweep) |
| Construction | BeamPower | BeamPower |
| Base | 7CV | 7CV |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 12.6 V | 12.6 V |
| Heater current | 0.6 A | 0.45 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 12C5 specifications →