Tube cross-reference
EA52 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the EA52 diode (not rectifier). Compare core specifications and verify every restriction before using a replacement.
Exact variations of EA52
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.
6923 Diode (NOT rectifier)
- Base
- Not recorded
- Socket
- Not recorded
- Base pins
- 3
- Sections
- 1
- Heater voltage
- 6.3 V
- Heater current
- 0.3 A
Where EA52 can be used as the replacement
In these recorded relationships, EA52 is the replacement tube. The listed original tubes are not automatically suitable as replacements for EA52.
Diode (NOT rectifier)
The database records EA52 as a possible replacement for6923.
No special restrictions are recorded for this substitution.
| Specification | EA52 replacement | Original tube |
|---|---|---|
| Tube type | Diode (NOT rectifier) | Diode (NOT rectifier) |
| Construction | Diode | Diode |
| Base | Not recorded | Not recorded |
| Socket | Not recorded | Not recorded |
| Base pins | 3 | 3 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 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 EA52 specifications →