Tube cross-reference
7A6 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 7A6 diode (not rectifier). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 7A6
The following tubes are recorded as possible replacements for 7A6. This direction does not establish that 7A6 can replace them.
5679
Receiving To Industrial TubesDiode (NOT rectifier)
The database records 5679 as a possible replacement for7A6.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Diode (NOT rectifier) | Diode (NOT rectifier) |
| Construction | Diode-Diode | Diode-Diode |
| Base | 7AJ | 7CX |
| Socket | B8G | B7G |
| Base pins | 8 | 7 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.15 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 7A6 specifications →