Skip to main content

Tube cross-reference

DY70 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the DY70 rectifier - tv line scan boost. Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for DY70

The following tubes are recorded as possible replacements for DY70. This direction does not establish that DY70 can replace them.

5642

Diode (NOT rectifier)

American To Foreign

The database records 5642 as a possible replacement forDY70.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeRectifier - TV Line Scan BoostDiode (NOT rectifier)
ConstructionRectifierRectifier
BaseNot recordedSpecial2Lead
SocketWIRE8SPECIAL2
Base pinsNot recorded2
Sections11
Heater voltage1.25 V1.25 V
Heater current0.14 A0.2 A

Where DY70 can be used as the replacement

In these recorded relationships, DY70 is the replacement tube. The listed original tubes are not automatically suitable as replacements for DY70.

5642

Diode (NOT rectifier)

Foreign To American

The database records DY70 as a possible replacement for5642.

No special restrictions are recorded for this substitution.

SpecificationDY70 replacementOriginal tube
Tube typeRectifier - TV Line Scan BoostDiode (NOT rectifier)
ConstructionRectifierRectifier
BaseNot recordedSpecial2Lead
SocketWIRE8SPECIAL2
Base pinsNot recorded2
Sections11
Heater voltage1.25 V1.25 V
Heater current0.14 A0.2 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 DY70 specifications →