Tube cross-reference
5GJ7 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 5GJ7 voltage - radio detector converter. Compare core specifications and verify every restriction before using a replacement.
Exact variations of 5GJ7
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.
LCF801 Voltage - Radio Detector Converter
- Base
- 9QA
- Socket
- B9A
- Base pins
- 9
- Sections
- 2
- Heater voltage
- 5.6 V
- Heater current
- 0.45 A
Replacement tubes for 5GJ7
The following tubes are recorded as possible replacements for 5GJ7. This direction does not establish that 5GJ7 can replace them.
Voltage - Radio Detector Converter
The database records LCF801 as a possible replacement for5GJ7.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Radio Detector Converter | Voltage - Radio Detector Converter |
| Construction | Pentode-Triode | Pentode-Triode |
| Base | 9QA | 9QA |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 5.6 V | 5.6 V |
| Heater current | 0.45 A | 0.45 A |
Voltage - Radio Detector Converter
The database records 5GX7 as a possible replacement for5GJ7.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Radio Detector Converter | Voltage - Radio Detector Converter |
| Construction | Pentode-Triode | Pentode-Triode |
| Base | 9QA | Not recorded |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 5.6 V | 5.6 V |
| Heater current | 0.45 A | 0.45 A |
Where 5GJ7 can be used as the replacement
In these recorded relationships, 5GJ7 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 5GJ7.
Voltage - Radio Detector Converter
The database records 5GJ7 as a possible replacement forLCF801.
No special restrictions are recorded for this substitution.
| Specification | 5GJ7 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Radio Detector Converter | Voltage - Radio Detector Converter |
| Construction | Pentode-Triode | Pentode-Triode |
| Base | 9QA | 9QA |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 5.6 V | 5.6 V |
| Heater current | 0.45 A | 0.45 A |
Voltage - Radio Detector Converter
The database records 5GJ7 as a possible replacement for5GX7.
No special restrictions are recorded for this substitution.
| Specification | 5GJ7 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Radio Detector Converter | Voltage - Radio Detector Converter |
| Construction | Pentode-Triode | Pentode-Triode |
| Base | 9QA | Not recorded |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 5.6 V | 5.6 V |
| Heater current | 0.45 A | 0.45 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 5GJ7 specifications →