Machine Design

Solid-State Relays

Solid-state relays (SSRs) control load currents through solid-state switches such as triacs, SCRs, or power transistors. Solid-state relays (SSRs) control load currents through solid-state switches ...
Electronic Design

Compact Solid-State Relays Provide Isolation for High-Voltage Systems

Members can download this article in PDF format. Relays have enabled low-voltage signals to control high-voltage systems since before the invention of the transistor. With very low on-resistance, the ...
Electronic Design

Relays and Switches: Mechanical or Solid State?

When to use mechanical vs. solid-state devices. The parameters that should be considered when selecting a device. Optimize your selection for lowest cost/maximum ...
Machine Design

Solid-state relays

A solid-state relay conducts load current through one or more power transistors or thyristors. A relatively low triggering energy on the SSR input switches the output on or off. There are three main ...