Tube cross-reference
ECF802 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the ECF802 power - tv horizontal output (sweep). Compare core specifications and verify every restriction before using a replacement.
Exact variations of ECF802
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.
6JW8 Power - Pentode (NOT beam)
- Base
- E9-1
- Socket
- B9A
- Base pins
- 9
- Sections
- 2
- Heater voltage
- 6.3 V
- Heater current
- 0.43 A
Replacement tubes for ECF802
The following tubes are recorded as possible replacements for ECF802. This direction does not establish that ECF802 can replace them.
Power - Pentode (NOT beam)
The database records 6JW8 as a possible replacement forECF802.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - TV Horizontal Output (sweep) | Power - Pentode (NOT beam) |
| Construction | Pentode-Triode | Pentode-Triode |
| Base | 9C12 | E9-1 |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.43 A | 0.43 A |
Where ECF802 can be used as the replacement
In these recorded relationships, ECF802 is the replacement tube. The listed original tubes are not automatically suitable as replacements for ECF802.
Power - Pentode (NOT beam)
The database records ECF802 as a possible replacement for6JW8.
No special restrictions are recorded for this substitution.
| Specification | ECF802 replacement | Original tube |
|---|---|---|
| Tube type | Power - TV Horizontal Output (sweep) | Power - Pentode (NOT beam) |
| Construction | Pentode-Triode | Pentode-Triode |
| Base | 9C12 | E9-1 |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.43 A | 0.43 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 ECF802 specifications →