Tube cross-reference
17DE4 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 17DE4 rectifier - damper diode. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 17DE4
The following tubes are recorded as possible replacements for 17DE4. This direction does not establish that 17DE4 can replace them.
Rectifier - Damper Diode
The database records 17CQ4 as a possible replacement for17DE4.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | 4CG | Not recorded |
| Socket | IO | B7G |
| Base pins | 9 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 17 V | 17 V |
| Heater current | 0.6 A | 0.6 A |
Where 17DE4 can be used as the replacement
In these recorded relationships, 17DE4 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 17DE4.
Rectifier - Damper Diode
The database records 17DE4 as a possible replacement for17CQ4.
No special restrictions are recorded for this substitution.
| Specification | 17DE4 replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | 4CG | Not recorded |
| Socket | IO | B7G |
| Base pins | 9 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 17 V | 17 V |
| Heater current | 0.6 A | 0.6 A |
Rectifier - Damper Diode
The database records 17DE4 as a possible replacement for19AU4.
No special restrictions are recorded for this substitution.
| Specification | 17DE4 replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | 4CG | Not recorded |
| Socket | IO | IO |
| Base pins | 9 | 6 |
| Sections | 1 | 1 |
| Heater voltage | 17 V | 18.9 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 17DE4 specifications →