Tube cross-reference
25BR3 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 25BR3 rectifier - damper diode. Compare core specifications and verify every restriction before using a replacement.
Where 25BR3 can be used as the replacement
In these recorded relationships, 25BR3 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 25BR3.
Rectifier - Damper Diode
The database records 25BR3 as a possible replacement forU329.
No special restrictions are recorded for this substitution.
| Specification | 25BR3 replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | E9-11 | Not recorded |
| Socket | Not recorded | Not recorded |
| Base pins | 9 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 25 V | 25 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 25BR3 specifications →