Tube cross-reference
5910 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 5910 voltage pentode or tetrode (under 100v). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 5910
The following tubes are recorded as possible replacements for 5910. This direction does not establish that 5910 can replace them.
Voltage Pentode - Sharp Cutoff (single)
The database records 1U4 as a possible replacement for5910.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode or Tetrode (under 100V) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | Not recorded | 6AR |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 1.4 V | 1.4 V |
| Heater current | 0.05 A | 0.05 A |
Voltage Pentode or Tetrode (under 100V)
The database records 1U4WA as a possible replacement for5910.
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 | 6AR |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 1.4 V | 1.25 V |
| Heater current | 0.05 A | 0.05 A |
Where 5910 can be used as the replacement
In these recorded relationships, 5910 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 5910.
Voltage Pentode - Sharp Cutoff (single)
The database records 5910 as a possible replacement for1U4.
No special restrictions are recorded for this substitution.
| Specification | 5910 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode or Tetrode (under 100V) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | Not recorded | 6AR |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 1.4 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 5910 specifications →