Tube cross-reference
1N2A alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 1N2A rectifier - tv line scan boost. Compare core specifications and verify every restriction before using a replacement.
Exact variations of 1N2A
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.
1AU3 Rectifier - TV Line Scan Boost
- Base
- 3C
- Socket
- OCTAL7
- Base pins
- 7
- Sections
- 1
- Heater voltage
- 1.25 V
- Heater current
- 0.2 A
Where 1N2A can be used as the replacement
In these recorded relationships, 1N2A is the replacement tube. The listed original tubes are not automatically suitable as replacements for 1N2A.
Rectifier - TV Line Scan Boost
The database records 1N2A as a possible replacement for1AU3.
No special restrictions are recorded for this substitution.
| Specification | 1N2A replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - TV Line Scan Boost | Rectifier - TV Line Scan Boost |
| Construction | Rectifier | Rectifier |
| Base | 3C | 3C |
| Socket | OCTAL7 | OCTAL7 |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 1.25 V | 1.25 V |
| Heater current | 0.2 A | 0.2 A |
Rectifier - TV Line Scan Boost
The database records 1N2A as a possible replacement for1B3GT.
No special restrictions are recorded for this substitution.
| Specification | 1N2A replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - TV Line Scan Boost | Rectifier - TV Line Scan Boost |
| Construction | Rectifier | Rectifier |
| Base | 3C | 3C |
| Socket | OCTAL7 | IO |
| Base pins | 7 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 1.25 V | 1.25 V |
| Heater current | 0.2 A | 0.2 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 1N2A specifications →