Tube cross-reference
DCC90 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the DCC90 voltage - dual triode (similar). Compare core specifications and verify every restriction before using a replacement.
Exact variations of DCC90
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.
3A5 Power - Triode Single (under 10W)
- Base
- 7BC
- Socket
- B7G
- Base pins
- 7
- Sections
- 2
- Heater voltage
- 2.8 V
- Heater current
- 0.11 A
Replacement tubes for DCC90
The following tubes are recorded as possible replacements for DCC90. This direction does not establish that DCC90 can replace them.
Power - Triode Single (under 10W)
The database records 3A5 as a possible replacement forDCC90.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Power - Triode Single (under 10W) |
| Construction | Triode-Triode | Triode-Triode |
| Base | B7G | 7BC |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 2 | 2 |
| Heater voltage | 1.4 V | 2.8 V |
| Heater current | 0.22 A | 0.11 A |
Where DCC90 can be used as the replacement
In these recorded relationships, DCC90 is the replacement tube. The listed original tubes are not automatically suitable as replacements for DCC90.
Power - Triode Single (under 10W)
The database records DCC90 as a possible replacement for3A5.
No special restrictions are recorded for this substitution.
| Specification | DCC90 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Power - Triode Single (under 10W) |
| Construction | Triode-Triode | Triode-Triode |
| Base | B7G | 7BC |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 2 | 2 |
| Heater voltage | 1.4 V | 2.8 V |
| Heater current | 0.22 A | 0.11 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 DCC90 specifications →