Tube cross-reference
17BS3A alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 17BS3A rectifier - damper diode. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 17BS3A
The following tubes are recorded as possible replacements for 17BS3A. This direction does not establish that 17BS3A can replace them.
Rectifier - Damper Diode
The database records 17CK3 as a possible replacement for17BS3A.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | 9HP | Not recorded |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 16.8 V | 16.8 V |
| Heater current | 0.45 A | 0.45 A |
Rectifier - Damper Diode
The database records 17DW4A as a possible replacement for17BS3A.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | 9HP | 9HP |
| Socket | B9A | B9E |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 16.8 V | 16.8 V |
| Heater current | 0.45 A | 0.45 A |
Where 17BS3A can be used as the replacement
In these recorded relationships, 17BS3A is the replacement tube. The listed original tubes are not automatically suitable as replacements for 17BS3A.
Rectifier - Damper Diode
The database records 17BS3A as a possible replacement for17AY3.
No special restrictions are recorded for this substitution.
| Specification | 17BS3A replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | 9HP | Not recorded |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 16.8 V | 16.8 V |
| Heater current | 0.45 A | 0.45 A |
Rectifier - Damper Diode
The database records 17BS3A as a possible replacement for17AY3A.
No special restrictions are recorded for this substitution.
| Specification | 17BS3A replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | 9HP | 9HP |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 16.8 V | 16.8 V |
| Heater current | 0.45 A | 0.45 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 17BS3A specifications →