Manual Vacuum Switches

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  • Vacuum Switch Selection Guide
    Vacuum Switch Selection Guide
  • Pressure/Vacuum Switch Selection Guide
    Pressure/Vacuum Switch Selection Guide
  • Current Chopping a Simple Explanation, and Calculations to Determine Transient Voltages When Using Vacuum Interrupters
    Current chopping is a term that came to our vocabulary with the advent of vacuum. switching which was commercially started back in the 1950's. Earlier switching means in. air or oil are in terms of dielectric recovery rate relatively slow and as the main contacts. would part the arc would go
  • Power Switching
    The ability of a vacuum relay to switch both resistive and inductive loads greatly simplifies the problems of the systems engineer. In power switching applications non-isolated relays (which includes all relays not identified as ground isolated) must be used with caution when the relay mounting
  • Sealing the Package: Potting and the Flat Ribbon in Switches and Relays
    Last time, we talked about the importance of achieving a vacuum-tight glass to metal seal in electronic products. Similarly, a method known as potting (also called encapsulation) is often used in manufacturing to create a tightly sealed package for electronic switching devices, including the flat
  • RF Switching
    The primary reasons for using vacuum relays in RF applications are their exceptional insulating qualities and their low RF contact resistance-as low as .03 ohms at 30 MHz. This low RF resistance remains stable throughout the service life of the relay because of the advantages provided by the vacuum
  • Linear vs. Switching Power Supplies: Look at the Facts Before You Leap to Conclusions
    Ask almost any engineer about linear power supplies, and his or her instinctive reaction likely is, "Sorry, I can't use them - they're too inefficient." Any consideration of using a linear supply usually ends right there; it is as if they are being asked to go back to a vacuum tube AM radio. Still
  • required many years of painstaking research. Before transistors, computers relied on slow, inefficient vacuum tubes and mechanical switches to process information. In 1958, engineers (one of them Intel co-founder Robert Noyce) managed to put two transistors onto a silicon crystal and create the first

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