Tube cross-reference
1U5WA alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 1U5WA voltage pentode or tetrode (under 100v). Compare core specifications and verify every restriction before using a replacement.
Where 1U5WA can be used as the replacement
In these recorded relationships, 1U5WA is the replacement tube. The listed original tubes are not automatically suitable as replacements for 1U5WA.
Voltage Pentode or Tetrode (under 100V)
The database records 1U5WA as a possible replacement for1U5.
No special restrictions are recorded for this substitution.
| Specification | 1U5WA replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode or Tetrode (under 100V) | Voltage Pentode or Tetrode (under 100V) |
| Construction | Diode-Pentode | Diode-Pentode |
| Base | Not recorded | 6BW |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 2 | 2 |
| Heater voltage | 1.25 V | 1.4 V |
| Heater current | 0.05 A | 0.05 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 1U5WA specifications →