Tube cross-reference
PL300 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the PL300 power - tv horizontal output (sweep). Compare core specifications and verify every restriction before using a replacement.
Exact variations of PL300
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.
35FN5 Power - TV Horizontal Output (sweep)
- Base
- Not recorded
- Socket
- B7G
- Base pins
- 7
- Sections
- 1
- Heater voltage
- 35 V
- Heater current
- 0.3 A
Replacement tubes for PL300
The following tubes are recorded as possible replacements for PL300. This direction does not establish that PL300 can replace them.
Power - TV Horizontal Output (sweep)
The database records 35FN5 as a possible replacement forPL300.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - TV Horizontal Output (sweep) | Power - TV Horizontal Output (sweep) |
| Construction | Pentode | Pentode |
| Base | Not recorded | Not recorded |
| Socket | Not recorded | B7G |
| Base pins | Not recorded | 7 |
| Sections | 1 | 1 |
| Heater voltage | 35 V | 35 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 PL300 specifications →