Tube cross-reference
EY51 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the EY51 rectifier - tv line scan boost. Compare core specifications and verify every restriction before using a replacement.
Exact variations of EY51
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.
6X2 Rectifier - TV Line Scan Boost
- Base
- 6X2
- Socket
- Not recorded
- Base pins
- Not recorded
- Sections
- 1
- Heater voltage
- 6.3 V
- Heater current
- 0.09 A
Replacement tubes for EY51
The following tubes are recorded as possible replacements for EY51. This direction does not establish that EY51 can replace them.
Rectifier - TV Line Scan Boost
The database records 6X2 as a possible replacement forEY51.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - TV Line Scan Boost | Rectifier - TV Line Scan Boost |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | 6X2 |
| Socket | B9A | Not recorded |
| Base pins | Not recorded | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.09 A | 0.09 A |
Where EY51 can be used as the replacement
In these recorded relationships, EY51 is the replacement tube. The listed original tubes are not automatically suitable as replacements for EY51.
Rectifier - TV Line Scan Boost
The database records EY51 as a possible replacement for6X2.
No special restrictions are recorded for this substitution.
| Specification | EY51 replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - TV Line Scan Boost | Rectifier - TV Line Scan Boost |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | 6X2 |
| Socket | B9A | Not recorded |
| Base pins | Not recorded | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.09 A | 0.09 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 EY51 specifications →