Tube cross-reference
36AM3B alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 36AM3B rectifier - half wave. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 36AM3B
The following tubes are recorded as possible replacements for 36AM3B. This direction does not establish that 36AM3B can replace them.
Rectifier - Half Wave
The database records 36AM3 as a possible replacement for36AM3B.
- No-warmup series circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - Half Wave | Rectifier - Half Wave |
| Construction | Rectifier | Rectifier |
| Base | 5BQ | 7-pin miniature |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 36 V | 36 V |
| Heater current | 0.1 A | 0.1 A |
Rectifier - Half Wave
The database records 36AM3A as a possible replacement for36AM3B.
- No-warmup series circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - Half Wave | Rectifier - Half Wave |
| Construction | Rectifier | Rectifier |
| Base | 5BQ | 7-pin miniature |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 36 V | 36 V |
| Heater current | 0.1 A | 0.1 A |
Where 36AM3B can be used as the replacement
In these recorded relationships, 36AM3B is the replacement tube. The listed original tubes are not automatically suitable as replacements for 36AM3B.
Rectifier - Half Wave
The database records 36AM3B as a possible replacement for36AM3.
No special restrictions are recorded for this substitution.
| Specification | 36AM3B replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - Half Wave | Rectifier - Half Wave |
| Construction | Rectifier | Rectifier |
| Base | 5BQ | 7-pin miniature |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 36 V | 36 V |
| Heater current | 0.1 A | 0.1 A |
Rectifier - Half Wave
The database records 36AM3B as a possible replacement for36AM3A.
No special restrictions are recorded for this substitution.
| Specification | 36AM3B replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - Half Wave | Rectifier - Half Wave |
| Construction | Rectifier | Rectifier |
| Base | 5BQ | 7-pin miniature |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 36 V | 36 V |
| Heater current | 0.1 A | 0.1 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 36AM3B specifications →