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Tube Tinker — Electron Tube Database

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PCF801 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the PCF801 voltage radio detector converter. Compare core specifications and verify every restriction before using a replacement.

Exact variations of PCF801

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.

  • 8GJ7

    Specialized - Ignitron

    Base
    9QA
    Socket
    B9A
    Base pins
    9
    Sections
    2
    Heater voltage
    8.6 V
    Heater current
    0.3 A

Replacement tubes for PCF801

The following tubes are recorded as possible replacements for PCF801. This direction does not establish that PCF801 can replace them.

8GJ7

Specialized - Ignitron

American To Foreign

The database records 8GJ7 as a possible replacement forPCF801.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Radio Detector ConverterSpecialized - Ignitron
ConstructionPentode-TriodePentode-Triode
Base9QA9QA
SocketB9AB9A
Base pins99
Sections22
Heater voltage8.5 V8.6 V
Heater current0.3 A0.3 A

Where PCF801 can be used as the replacement

In these recorded relationships, PCF801 is the replacement tube. The listed original tubes are not automatically suitable as replacements for PCF801.

8GJ7

Specialized - Ignitron

Foreign To American

The database records PCF801 as a possible replacement for8GJ7.

No special restrictions are recorded for this substitution.

SpecificationPCF801 replacementOriginal tube
Tube typeVoltage Radio Detector ConverterSpecialized - Ignitron
ConstructionPentode-TriodePentode-Triode
Base9QA9QA
SocketB9AB9A
Base pins99
Sections22
Heater voltage8.5 V8.6 V
Heater current0.3 A0.3 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 PCF801 specifications →