Skip to main content
Tube Tinker — Electron Tube Database

Tube cross-reference

17BW3 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 17BW3 rectifier - damper diode. Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 17BW3

The following tubes are recorded as possible replacements for 17BW3. This direction does not establish that 17BW3 can replace them.

17AX3

Rectifier - Damper Diode

Receiving Tubes

The database records 17AX3 as a possible replacement for17BW3.

  • Parallel heater circuits only
SpecificationOriginal tubeReplacement
Tube typeRectifier - Damper DiodeRectifier - Damper Diode
ConstructionRectifierRectifier
Base12FX12BE
SocketB12CB12C
Base pins1212
Sections11
Heater voltage16.8 V16.8 V
Heater current0.6 A0.45 A
17BE3

Rectifier - Damper Diode

Receiving Tubes

The database records 17BE3 as a possible replacement for17BW3.

  • Parallel heater circuits only
SpecificationOriginal tubeReplacement
Tube typeRectifier - Damper DiodeRectifier - Damper Diode
ConstructionRectifierRectifier
Base12FX26E
SocketB12CB9A
Base pins1212
Sections11
Heater voltage16.8 V16.8 V
Heater current0.6 A0.45 A
17BE3A

Rectifier - Damper Diode

Receiving Tubes

The database records 17BE3A as a possible replacement for17BW3.

  • Parallel heater circuits only
SpecificationOriginal tubeReplacement
Tube typeRectifier - Damper DiodeRectifier - Damper Diode
ConstructionRectifierRectifier
Base12FXNot recorded
SocketB12CB9A
Base pins1212
Sections11
Heater voltage16.8 V16.8 V
Heater current0.6 A0.45 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 17BW3 specifications →