Tube cross-reference
S340 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the S340 specialized - switching tube. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for S340
The following tubes are recorded as possible replacements for S340. This direction does not establish that S340 can replace them.
Specialized - Switching Tube
The database records 5960 as a possible replacement forS340.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Specialized - Switching Tube | Specialized - Switching Tube |
| Construction | Thyratron | RelayControlSwitch |
| Base | Not recorded | Not recorded |
| Socket | Not recorded | Not recorded |
| Base pins | Not recorded | 4 |
| Sections | 1 | 1 |
| Heater voltage | Not recorded | 4 V |
| 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 S340 specifications →