Tube cross-reference
6JB5 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6JB5 power - tv horizontal output (sweep). Compare core specifications and verify every restriction before using a replacement.
Exact variations of 6JB5
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.
Replacement tubes for 6JB5
The following tubes are recorded as possible replacements for 6JB5. This direction does not establish that 6JB5 can replace them.
Power - TV Vertical Output
The database records 6HE5 as a possible replacement for6JB5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - TV Horizontal Output (sweep) | Power - TV Vertical Output |
| Construction | BeamPower | BeamPower |
| Base | 12EY | 12EY |
| Socket | B9A | B12C |
| Base pins | 12 | 12 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.8 A | 0.8 A |
Power - TV Vertical Output
The database records 6JC5 as a possible replacement for6JB5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - TV Horizontal Output (sweep) | Power - TV Vertical Output |
| Construction | BeamPower | BeamPower |
| Base | 12EY | Not recorded |
| Socket | B9A | B7G |
| Base pins | 12 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.8 A | 0.8 A |
Where 6JB5 can be used as the replacement
In these recorded relationships, 6JB5 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6JB5.
Power - TV Vertical Output
The database records 6JB5 as a possible replacement for6HE5.
No special restrictions are recorded for this substitution.
| Specification | 6JB5 replacement | Original tube |
|---|---|---|
| Tube type | Power - TV Horizontal Output (sweep) | Power - TV Vertical Output |
| Construction | BeamPower | BeamPower |
| Base | 12EY | 12EY |
| Socket | B9A | B12C |
| Base pins | 12 | 12 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.8 A | 0.8 A |
Power - TV Vertical Output
The database records 6JB5 as a possible replacement for6JC5.
No special restrictions are recorded for this substitution.
| Specification | 6JB5 replacement | Original tube |
|---|---|---|
| Tube type | Power - TV Horizontal Output (sweep) | Power - TV Vertical Output |
| Construction | BeamPower | BeamPower |
| Base | 12EY | Not recorded |
| Socket | B9A | B7G |
| Base pins | 12 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.8 A | 0.8 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 6JB5 specifications →