Tube cross-reference
5847 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 5847 voltage pentode. Compare core specifications and verify every restriction before using a replacement.
Exact variations of 5847
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.
404A Voltage Pentode
- Base
- E9-1
- Socket
- B9A
- Base pins
- 9
- Sections
- 1
- Heater voltage
- 6.3 V
- Heater current
- 0.3 A
Replacement tubes for 5847
The following tubes are recorded as possible replacements for 5847. This direction does not establish that 5847 can replace them.
Voltage Pentode
The database records 404A as a possible replacement for5847.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode | Voltage Pentode |
| Construction | Pentode | Pentode |
| Base | E9-1 | E9-1 |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Where 5847 can be used as the replacement
In these recorded relationships, 5847 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 5847.
Voltage Pentode
The database records 5847 as a possible replacement for404A.
No special restrictions are recorded for this substitution.
| Specification | 5847 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode | Voltage Pentode |
| Construction | Pentode | Pentode |
| Base | E9-1 | E9-1 |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 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 5847 specifications →