Tube cross-reference
EY87 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the EY87 rectifier - tv line scan boost. Compare core specifications and verify every restriction before using a replacement.
Exact variations of EY87
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 EY87
The following tubes are recorded as possible replacements for EY87. This direction does not establish that EY87 can replace them.
Rectifier - TV Line Scan Boost
The database records 6S2A as a possible replacement forEY87.
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 | Noval | Not recorded |
| Socket | B9A | B9A |
| Base pins | 9 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.09 A | 0.09 A |
Where EY87 can be used as the replacement
In these recorded relationships, EY87 is the replacement tube. The listed original tubes are not automatically suitable as replacements for EY87.
Rectifier - TV Line Scan Boost
The database records EY87 as a possible replacement for6S2.
No special restrictions are recorded for this substitution.
| Specification | EY87 replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - TV Line Scan Boost | Rectifier - TV Line Scan Boost |
| Construction | Rectifier | Rectifier |
| Base | Noval | B9A |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.09 A | 0.09 A |
Rectifier - TV Line Scan Boost
The database records EY87 as a possible replacement for6S2A.
No special restrictions are recorded for this substitution.
| Specification | EY87 replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - TV Line Scan Boost | Rectifier - TV Line Scan Boost |
| Construction | Rectifier | Rectifier |
| Base | Noval | Not recorded |
| Socket | B9A | B9A |
| Base pins | 9 | 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 EY87 specifications →