Tube cross-reference
17JZ8A alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 17JZ8A power - tv vertical output. Compare core specifications and verify every restriction before using a replacement.
Where 17JZ8A can be used as the replacement
In these recorded relationships, 17JZ8A is the replacement tube. The listed original tubes are not automatically suitable as replacements for 17JZ8A.
Power - TV Vertical Output
The database records 17JZ8A as a possible replacement for17JZ8.
No special restrictions are recorded for this substitution.
| Specification | 17JZ8A replacement | Original tube |
|---|---|---|
| Tube type | Power - TV Vertical Output | Power - TV Vertical Output |
| Construction | BeamPower-Triode | BeamPower-Triode |
| Base | 12DZ | 12OZ |
| Socket | B9A | B9A |
| Base pins | 12 | 12 |
| Sections | 2 | 2 |
| Heater voltage | 16.8 V | 16.8 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 17JZ8A specifications →