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Tube cross-reference

DY51 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the DY51 rectifier - tv line scan boost. Compare core specifications and verify every restriction before using a replacement.

Exact variations of DY51

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.

  • 1BG2

    Rectifier - TV Line Scan Boost

    Base
    Not recorded
    Socket
    Not recorded
    Base pins
    Not recorded
    Sections
    1
    Heater voltage
    1.4 V
    Heater current
    0.575 A

Replacement tubes for DY51

The following tubes are recorded as possible replacements for DY51. This direction does not establish that DY51 can replace them.

1BG2

Rectifier - TV Line Scan Boost

American To Foreign

The database records 1BG2 as a possible replacement forDY51.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeRectifier - TV Line Scan BoostRectifier - TV Line Scan Boost
ConstructionRectifierRectifier
BaseWireLeadedNot recorded
SocketB8DNot recorded
Base pinsNot recordedNot recorded
Sections11
Heater voltage1.4 V1.4 V
Heater current0.55 A0.575 A

Where DY51 can be used as the replacement

In these recorded relationships, DY51 is the replacement tube. The listed original tubes are not automatically suitable as replacements for DY51.

1BG2

Rectifier - TV Line Scan Boost

Foreign To American

The database records DY51 as a possible replacement for1BG2.

No special restrictions are recorded for this substitution.

SpecificationDY51 replacementOriginal tube
Tube typeRectifier - TV Line Scan BoostRectifier - TV Line Scan Boost
ConstructionRectifierRectifier
BaseWireLeadedNot recorded
SocketB8DNot recorded
Base pinsNot recordedNot recorded
Sections11
Heater voltage1.4 V1.4 V
Heater current0.55 A0.575 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 DY51 specifications →