Tube cross-reference
U41 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the U41 rectifier - tv line scan boost. Compare core specifications and verify every restriction before using a replacement.
Exact variations of U41
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.
CV2115 NEW (being researched)
- Base
- Not recorded
- Socket
- Not recorded
- Base pins
- Not recorded
- Sections
- 1
- Heater voltage
- Not recorded
- Heater current
- Not recorded
Replacement tubes for U41
The following tubes are recorded as possible replacements for U41. This direction does not establish that U41 can replace them.
Rectifier - TV Line Scan Boost
The database records 1B3GT as a possible replacement forU41.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - TV Line Scan Boost | Rectifier - TV Line Scan Boost |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | 3C |
| Socket | IO | IO |
| Base pins | Not recorded | 8 |
| Sections | 1 | 1 |
| Heater voltage | 1.25 V | 1.25 V |
| Heater current | 0.2 A | 0.2 A |
Where U41 can be used as the replacement
In these recorded relationships, U41 is the replacement tube. The listed original tubes are not automatically suitable as replacements for U41.
Rectifier - TV Line Scan Boost
The database records U41 as a possible replacement for1B3GT.
No special restrictions are recorded for this substitution.
| Specification | U41 replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - TV Line Scan Boost | Rectifier - TV Line Scan Boost |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | 3C |
| Socket | IO | IO |
| Base pins | Not recorded | 8 |
| Sections | 1 | 1 |
| Heater voltage | 1.25 V | 1.25 V |
| Heater current | 0.2 A | 0.2 A |
Rectifier - TV Line Scan Boost
The database records U41 as a possible replacement for1G3GT.
No special restrictions are recorded for this substitution.
| Specification | U41 replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - TV Line Scan Boost | Rectifier - TV Line Scan Boost |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | Not recorded |
| Socket | IO | IO |
| Base pins | Not recorded | 8 |
| Sections | 1 | 1 |
| Heater voltage | 1.25 V | 1.25 V |
| Heater current | 0.2 A | 0.2 A |
Rectifier - TV Line Scan Boost
The database records U41 as a possible replacement for1J3.
No special restrictions are recorded for this substitution.
| Specification | U41 replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - TV Line Scan Boost | Rectifier - TV Line Scan Boost |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | 3C |
| Socket | IO | IO |
| Base pins | Not recorded | 6 |
| Sections | 1 | 1 |
| Heater voltage | 1.25 V | 1.25 V |
| Heater current | 0.2 A | 0.2 A |
Rectifier - TV Line Scan Boost
The database records U41 as a possible replacement for1K3.
No special restrictions are recorded for this substitution.
| Specification | U41 replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - TV Line Scan Boost | Rectifier - TV Line Scan Boost |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | 3C |
| Socket | IO | IO |
| Base pins | Not recorded | 6 |
| Sections | 1 | 1 |
| Heater voltage | 1.25 V | 1.25 V |
| Heater current | 0.2 A | 0.2 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 U41 specifications →