Tube cross-reference
5642 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 5642 diode (not rectifier). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 5642
The following tubes are recorded as possible replacements for 5642. This direction does not establish that 5642 can replace them.
Rectifier - TV Line Scan Boost
The database records DY70 as a possible replacement for5642.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Diode (NOT rectifier) | Rectifier - TV Line Scan Boost |
| Construction | Rectifier | Rectifier |
| Base | Special2Lead | Not recorded |
| Socket | SPECIAL2 | WIRE8 |
| Base pins | 2 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 1.25 V | 1.25 V |
| Heater current | 0.2 A | 0.14 A |
Where 5642 can be used as the replacement
In these recorded relationships, 5642 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 5642.
Rectifier - TV Line Scan Boost
The database records 5642 as a possible replacement forDY70.
No special restrictions are recorded for this substitution.
| Specification | 5642 replacement | Original tube |
|---|---|---|
| Tube type | Diode (NOT rectifier) | Rectifier - TV Line Scan Boost |
| Construction | Rectifier | Rectifier |
| Base | Special2Lead | Not recorded |
| Socket | SPECIAL2 | WIRE8 |
| Base pins | 2 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 1.25 V | 1.25 V |
| Heater current | 0.2 A | 0.14 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 5642 specifications →