Tube cross-reference
0Z4 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 0Z4 rectifier - full wave. Compare core specifications and verify every restriction before using a replacement.
Exact variations of 0Z4
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.
1003 Rectifier - Full Wave
- Base
- Not recorded
- Socket
- IO
- Base pins
- 8
- Sections
- 2
- Heater voltage
- Not recorded
- Heater current
- Not recorded
Replacement tubes for 0Z4
The following tubes are recorded as possible replacements for 0Z4. This direction does not establish that 0Z4 can replace them.
Rectifier - Full Wave
The database records 1003 as a possible replacement for0Z4.
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 | 4R | Not recorded |
| Socket | IO | IO |
| Base pins | 4 | 8 |
| Sections | 2 | 2 |
| Heater voltage | Not recorded | Not recorded |
| Heater current | Not recorded | Not recorded |
Rectifier - Full Wave
The database records 0Z4A as a possible replacement for0Z4.
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 | 4R | 8XD |
| Socket | IO | IO |
| Base pins | 4 | 8 |
| Sections | 2 | 2 |
| Heater voltage | Not recorded | Not recorded |
| Heater current | Not recorded | Not recorded |
Rectifier - Full Wave
The database records 0Z4G as a possible replacement for0Z4.
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 | 4R | 4R |
| Socket | IO | IO |
| Base pins | 4 | 4 |
| Sections | 2 | 2 |
| Heater voltage | Not recorded | Not recorded |
| Heater current | Not recorded | Not recorded |
Where 0Z4 can be used as the replacement
In these recorded relationships, 0Z4 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 0Z4.
Rectifier - Full Wave
The database records 0Z4 as a possible replacement for0Z4A.
No special restrictions are recorded for this substitution.
| Specification | 0Z4 replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - Full Wave | Rectifier - Full Wave |
| Construction | Rectifier-Rectifier | Rectifier-Rectifier |
| Base | 4R | 8XD |
| Socket | IO | IO |
| Base pins | 4 | 8 |
| Sections | 2 | 2 |
| Heater voltage | Not recorded | Not recorded |
| Heater current | Not recorded | Not recorded |
Rectifier - Full Wave
The database records 0Z4 as a possible replacement for0Z4G.
No special restrictions are recorded for this substitution.
| Specification | 0Z4 replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - Full Wave | Rectifier - Full Wave |
| Construction | Rectifier-Rectifier | Rectifier-Rectifier |
| Base | 4R | 4R |
| Socket | IO | IO |
| Base pins | 4 | 4 |
| Sections | 2 | 2 |
| Heater voltage | Not recorded | Not recorded |
| Heater current | Not recorded | Not recorded |
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 0Z4 specifications →