Tube cross-reference
5889 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 5889 voltage pentode or tetrode (under 100v). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 5889
The following tubes are recorded as possible replacements for 5889. This direction does not establish that 5889 can replace them.
Voltage Pentode or Tetrode (under 100V)
The database records ME1403 as a possible replacement for5889.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode or Tetrode (under 100V) | Voltage Pentode or Tetrode (under 100V) |
| Construction | Pentode | Pentode |
| Base | Not recorded | Not recorded |
| Socket | Not recorded | Not recorded |
| Base pins | Not recorded | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 1.25 V | 1.25 V |
| Heater current | 0.0075 A | 0.082 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 5889 specifications →