Tube cross-reference
2CY5 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 2CY5 voltage tetrode. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 2CY5
The following tubes are recorded as possible replacements for 2CY5. This direction does not establish that 2CY5 can replace them.
Voltage Tetrode
The database records 2EA5 as a possible replacement for2CY5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Tetrode | Voltage Tetrode |
| Construction | Tetrode | Tetrode |
| Base | 7EW | Not recorded |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 2.4 V | 2.4 V |
| Heater current | 0.6 A | 0.6 A |
Voltage Tetrode
The database records 2EV5 as a possible replacement for2CY5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Tetrode | Voltage Tetrode |
| Construction | Tetrode | Tetrode |
| Base | 7EW | Not recorded |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 2.4 V | 2.4 V |
| Heater current | 0.6 A | 0.6 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 2CY5 specifications →