Tube cross-reference
EY80 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the EY80 rectifier - damper diode. Compare core specifications and verify every restriction before using a replacement.
Exact variations of EY80
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.
6U3 Rectifier - Damper Diode
- Base
- 9BM
- Socket
- B9A
- Base pins
- 9
- Sections
- 1
- Heater voltage
- 6.3 V
- Heater current
- 0.9 A
Replacement tubes for EY80
The following tubes are recorded as possible replacements for EY80. This direction does not establish that EY80 can replace them.
Rectifier - Damper Diode
The database records 6U3 as a possible replacement forEY80.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | 9BM |
| Socket | B9A | B9A |
| Base pins | Not recorded | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.9 A |
Where EY80 can be used as the replacement
In these recorded relationships, EY80 is the replacement tube. The listed original tubes are not automatically suitable as replacements for EY80.
Rectifier - Half Wave
The database records EY80 as a possible replacement for6N3.
No special restrictions are recorded for this substitution.
| Specification | EY80 replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Half Wave |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | Not recorded |
| Socket | B9A | B9A |
| Base pins | Not recorded | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.9 A |
Rectifier - Damper Diode
The database records EY80 as a possible replacement for6U3.
No special restrictions are recorded for this substitution.
| Specification | EY80 replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | 9BM |
| Socket | B9A | B9A |
| Base pins | Not recorded | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.9 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 EY80 specifications →