Tube cross-reference
EZ40 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the EZ40 rectifier - full wave. Compare core specifications and verify every restriction before using a replacement.
Exact variations of EZ40
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.
6BT4 Rectifier - Full Wave
- Base
- OCTAL
- Socket
- IO
- Base pins
- 8
- Sections
- 2
- Heater voltage
- 6.3 V
- Heater current
- 0.6 A
Replacement tubes for EZ40
The following tubes are recorded as possible replacements for EZ40. This direction does not establish that EZ40 can replace them.
Rectifier - Full Wave
The database records 6BT4 as a possible replacement forEZ40.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - Full Wave | Rectifier - Full Wave |
| Construction | Rectifier-Rectifier | Rectifier-Rectifier |
| Base | Not recorded | OCTAL |
| Socket | B8A | IO |
| Base pins | Not recorded | 8 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.6 A | 0.6 A |
Where EZ40 can be used as the replacement
In these recorded relationships, EZ40 is the replacement tube. The listed original tubes are not automatically suitable as replacements for EZ40.
Rectifier - Full Wave
The database records EZ40 as a possible replacement for6BT4.
No special restrictions are recorded for this substitution.
| Specification | EZ40 replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - Full Wave | Rectifier - Full Wave |
| Construction | Rectifier-Rectifier | Rectifier-Rectifier |
| Base | Not recorded | OCTAL |
| Socket | B8A | IO |
| Base pins | Not recorded | 8 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.6 A | 0.6 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 EZ40 specifications →