Vacuum Tubes and Electron Devices

Vacuum tubes and electron devices are catalogued here by complete designation, execution and operating function. The category covers components used to generate, amplify, switch, display and convert electrical or microwave signals. A common family prefix or similar envelope does not establish identical characteristics or interchangeability.

Five catalogue levels and four functional product groups

This parent category brings together four specialised sections: cathode-ray tubes; receiving and amplifying tubes; generator and modulator tubes; and microwave and special electron devices. The grouping separates display tubes, low- and medium-power radio tubes, RF and pulse power devices, travelling-wave tubes, thyratrons and other specialised components without changing their individual product identities.

Complete marking determines the required execution

Selection may depend on heater supply, pinout, electrode ratings, frequency range, continuous or pulse operation, cooling, connector arrangement, envelope and mounting dimensions. Every suffix is part of the designation and should be checked against the equipment manual, circuit or product passport.

• record the complete designation and suffix;
• identify the host equipment and circuit position;
• state the required operating mode and cooling;
• provide photographs of the marking and connectors;
• specify quantity and required documents.

Choose the correct electrovacuum device group

Browse Cathode-Ray Tubes, Receiving and Amplifying Tubes, Generator and Modulator Tubes or Microwave and Special Electron Devices. General terminology is explained in the vacuum tube reference.