Tube cross-reference
6574 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6574 specialized - thyratron. Compare core specifications and verify every restriction before using a replacement.
Exact variations of 6574
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.
EN32 Specialized - Thyratron
- Base
- Not recorded
- Socket
- IO
- Base pins
- Not recorded
- Sections
- 1
- Heater voltage
- 6.3 V
- Heater current
- 0.95 A
Replacement tubes for 6574
The following tubes are recorded as possible replacements for 6574. This direction does not establish that 6574 can replace them.
Specialized - Thyratron
The database records EN32 as a possible replacement for6574.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Specialized - Thyratron | Specialized - Thyratron |
| Construction | Thyratron | Thyratron |
| Base | Not recorded | Not recorded |
| Socket | IO | IO |
| Base pins | 8 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.95 A | 0.95 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 6574 specifications →