Tube cross-reference
Z300T alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the Z300T specialized - switching tube. Compare core specifications and verify every restriction before using a replacement.
Exact variations of Z300T
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.
1267 Specialized - Switching Tube
- Base
- Not recorded
- Socket
- IO
- Base pins
- 8
- Sections
- 1
- Heater voltage
- Not recorded
- Heater current
- Not recorded
Replacement tubes for Z300T
The following tubes are recorded as possible replacements for Z300T. This direction does not establish that Z300T can replace them.
Specialized - Switching Tube
The database records 0A4G as a possible replacement forZ300T.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Specialized - Switching Tube | Specialized - Switching Tube |
| Construction | Thyratron | Thyratron |
| Base | Not recorded | 4V |
| Socket | Not recorded | IO |
| Base pins | Not recorded | 4 |
| Sections | 1 | 1 |
| Heater voltage | Not recorded | 0 V |
| Heater current | Not recorded | 0 A |
Where Z300T can be used as the replacement
In these recorded relationships, Z300T is the replacement tube. The listed original tubes are not automatically suitable as replacements for Z300T.
Specialized - Switching Tube
The database records Z300T as a possible replacement for0A4G.
No special restrictions are recorded for this substitution.
| Specification | Z300T replacement | Original tube |
|---|---|---|
| Tube type | Specialized - Switching Tube | Specialized - Switching Tube |
| Construction | Thyratron | Thyratron |
| Base | Not recorded | 4V |
| Socket | Not recorded | IO |
| Base pins | Not recorded | 4 |
| Sections | 1 | 1 |
| Heater voltage | Not recorded | 0 V |
| Heater current | Not recorded | 0 A |
Specialized - Switching Tube
The database records Z300T as a possible replacement for1267.
No special restrictions are recorded for this substitution.
| Specification | Z300T replacement | Original tube |
|---|---|---|
| Tube type | Specialized - Switching Tube | Specialized - Switching Tube |
| Construction | Thyratron | Thyratron |
| Base | Not recorded | Not recorded |
| Socket | Not recorded | IO |
| Base pins | Not recorded | 8 |
| Sections | 1 | 1 |
| 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 Z300T specifications →