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Tube cross-reference

ZD17 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the ZD17 voltage pentode or tetrode (under 100v). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for ZD17

The following tubes are recorded as possible replacements for ZD17. This direction does not establish that ZD17 can replace them.

1S5

Voltage Pentode or Tetrode (under 100V)

American To Foreign

The database records 1S5 as a possible replacement forZD17.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode or Tetrode (under 100V)Voltage Pentode or Tetrode (under 100V)
ConstructionDiode-PentodeDiode-Pentode
BaseB7G6AU
SocketB7GB7G
Base pins77
Sections22
Heater voltage1.4 V1.4 V
Heater current0.05 A0.05 A

Where ZD17 can be used as the replacement

In these recorded relationships, ZD17 is the replacement tube. The listed original tubes are not automatically suitable as replacements for ZD17.

1S5

Voltage Pentode or Tetrode (under 100V)

Foreign To American

The database records ZD17 as a possible replacement for1S5.

No special restrictions are recorded for this substitution.

SpecificationZD17 replacementOriginal tube
Tube typeVoltage Pentode or Tetrode (under 100V)Voltage Pentode or Tetrode (under 100V)
ConstructionDiode-PentodeDiode-Pentode
BaseB7G6AU
SocketB7GB7G
Base pins77
Sections22
Heater voltage1.4 V1.4 V
Heater current0.05 A0.05 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 ZD17 specifications →