Tube cross-reference
ME1403 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the ME1403 voltage pentode or tetrode (under 100v). Compare core specifications and verify every restriction before using a replacement.
Where ME1403 can be used as the replacement
In these recorded relationships, ME1403 is the replacement tube. The listed original tubes are not automatically suitable as replacements for ME1403.
Voltage Pentode or Tetrode (under 100V)
The database records ME1403 as a possible replacement for5889.
No special restrictions are recorded for this substitution.
| Specification | ME1403 replacement | Original tube |
|---|---|---|
| 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 | 0.082 A | 0.0075 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 ME1403 specifications →