Tube cross-reference
1P5G alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 1P5G voltage pentode - remote cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 1P5G
The following tubes are recorded as possible replacements for 1P5G. This direction does not establish that 1P5G can replace them.
Voltage Pentode - Sharp Cutoff (single)
The database records 1N5G as a possible replacement for1P5G.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 5Y | 5Y |
| Socket | IO | IO |
| 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 - Sharp Cutoff (single)
The database records 1N5GT as a possible replacement for1P5G.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 5Y | 5Y |
| Socket | IO | IO |
| 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 - Remote Cutoff (single)
The database records 1P5GT as a possible replacement for1P5G.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 5Y | 5Y |
| Socket | IO | IO |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 1.4 V | 1.4 V |
| Heater current | 0.05 A | 0.05 A |
Where 1P5G can be used as the replacement
In these recorded relationships, 1P5G is the replacement tube. The listed original tubes are not automatically suitable as replacements for 1P5G.
Voltage Pentode - Sharp Cutoff (single)
The database records 1P5G as a possible replacement for1N5G.
No special restrictions are recorded for this substitution.
| Specification | 1P5G replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 5Y | 5Y |
| Socket | IO | IO |
| 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 - Sharp Cutoff (single)
The database records 1P5G as a possible replacement for1N5GT.
No special restrictions are recorded for this substitution.
| Specification | 1P5G replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 5Y | 5Y |
| Socket | IO | IO |
| 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 - Remote Cutoff (single)
The database records 1P5G as a possible replacement for1P5GT.
No special restrictions are recorded for this substitution.
| Specification | 1P5G replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 5Y | 5Y |
| Socket | IO | IO |
| 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 1P5G specifications →