Tube cross-reference
5634 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 5634 voltage pentode - sharp cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 5634
The following tubes are recorded as possible replacements for 5634. This direction does not establish that 5634 can replace them.
Specialized - Thyratron
The database records EN70 as a possible replacement for5634.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Specialized - Thyratron |
| Construction | Pentode | Thyratron |
| Base | 5633 | Not recorded |
| Socket | SUBMINIATURE6 | Not recorded |
| Base pins | 6 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.15 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 5634 specifications →