Tube cross-reference
8228 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 8228 voltage regulator. Compare core specifications and verify every restriction before using a replacement.
Exact variations of 8228
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.
ZZ1000 Voltage Regulator
- Base
- T2
- Socket
- Not recorded
- Base pins
- 2
- Sections
- 1
- Heater voltage
- Not recorded
- Heater current
- Not recorded
Replacement tubes for 8228
The following tubes are recorded as possible replacements for 8228. This direction does not establish that 8228 can replace them.
Voltage Regulator
The database records ZZ1000 as a possible replacement for8228.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Regulator | Voltage Regulator |
| Construction | VoltageRegulator | VoltageRegulator |
| Base | T2 | T2 |
| Socket | Not recorded | Not recorded |
| Base pins | 2 | 2 |
| Sections | 1 | 1 |
| Heater voltage | Not recorded | Not recorded |
| Heater current | Not recorded | Not recorded |
Where 8228 can be used as the replacement
In these recorded relationships, 8228 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 8228.
Voltage Regulator
The database records 8228 as a possible replacement forZZ1000.
No special restrictions are recorded for this substitution.
| Specification | 8228 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Regulator | Voltage Regulator |
| Construction | VoltageRegulator | VoltageRegulator |
| Base | T2 | T2 |
| Socket | Not recorded | Not recorded |
| Base pins | 2 | 2 |
| 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 8228 specifications →