Tube cross-reference
8254 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 8254 voltage - triode (single high frequency). Compare core specifications and verify every restriction before using a replacement.
Exact variations of 8254
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.
EC1000 Voltage - Triode (single high frequency)
- Base
- NOVAL
- Socket
- B9A
- Base pins
- Not recorded
- Sections
- 1
- Heater voltage
- 6.3 V
- Heater current
- 0.185 A
Replacement tubes for 8254
The following tubes are recorded as possible replacements for 8254. This direction does not establish that 8254 can replace them.
Voltage - Triode (single high frequency)
The database records EC1000 as a possible replacement for8254.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Triode (single high frequency) | Voltage - Triode (single high frequency) |
| Construction | Triode | Triode |
| Base | Not recorded | NOVAL |
| Socket | Not recorded | B9A |
| Base pins | Not recorded | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.185 A | 0.185 A |
Where 8254 can be used as the replacement
In these recorded relationships, 8254 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 8254.
Voltage - Triode (single high frequency)
The database records 8254 as a possible replacement forEC1000.
No special restrictions are recorded for this substitution.
| Specification | 8254 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (single high frequency) | Voltage - Triode (single high frequency) |
| Construction | Triode | Triode |
| Base | Not recorded | NOVAL |
| Socket | Not recorded | B9A |
| Base pins | Not recorded | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.185 A | 0.185 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 8254 specifications →