Tube cross-reference
PY80 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the PY80 rectifier - damper diode. Compare core specifications and verify every restriction before using a replacement.
Exact variations of PY80
These designations belong to the same electrical variation group. Their names may differ because of international standards, manufacturing tolerances, or materials, but they are recorded as electrically equivalent—not merely substitutes.
19X3 Rectifier - Damper Diode
- Base
- 9BM
- Socket
- Not recorded
- Base pins
- 9
- Sections
- 1
- Heater voltage
- 19 V
- Heater current
- 0.3 A
Replacement tubes for PY80
The following tubes are recorded as possible replacements for PY80. This direction does not establish that PY80 can replace them.
Rectifier - Damper Diode
The database records 19X3 as a possible replacement forPY80.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | Noval | 9BM |
| Socket | B9A | Not recorded |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 19 V | 19 V |
| Heater current | 0.3 A | 0.3 A |
Where PY80 can be used as the replacement
In these recorded relationships, PY80 is the replacement tube. The listed original tubes are not automatically suitable as replacements for PY80.
Rectifier - Damper Diode
The database records PY80 as a possible replacement for19X3.
No special restrictions are recorded for this substitution.
| Specification | PY80 replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | Noval | 9BM |
| Socket | B9A | Not recorded |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 19 V | 19 V |
| Heater current | 0.3 A | 0.3 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 PY80 specifications →