Tube cross-reference
PY82 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the PY82 rectifier - half wave. Compare core specifications and verify every restriction before using a replacement.
Exact variations of PY82
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.
19Y3 Rectifier - Half Wave
- Base
- 9BM
- Socket
- B9A
- Base pins
- 9
- Sections
- 1
- Heater voltage
- 19 V
- Heater current
- 0.3 A
Replacement tubes for PY82
The following tubes are recorded as possible replacements for PY82. This direction does not establish that PY82 can replace them.
Rectifier - Half Wave
The database records 19Y3 as a possible replacement forPY82.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - Half Wave | Rectifier - Half Wave |
| Construction | Rectifier | Rectifier |
| Base | 9C12 | 9BM |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 19 V | 19 V |
| Heater current | 0.3 A | 0.3 A |
Where PY82 can be used as the replacement
In these recorded relationships, PY82 is the replacement tube. The listed original tubes are not automatically suitable as replacements for PY82.
Rectifier - Half Wave
The database records PY82 as a possible replacement for19Y3.
No special restrictions are recorded for this substitution.
| Specification | PY82 replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - Half Wave | Rectifier - Half Wave |
| Construction | Rectifier | Rectifier |
| Base | 9C12 | 9BM |
| Socket | B9A | B9A |
| 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 PY82 specifications →