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A Solid State Relay (SSR) is a relay that does not have a moving contact. In terms of operation, SSRs are not very different from mechanical relays that have moving contacts. SSRs, however, employ semiconductor switching elements, such as thyristors, triacs, diodes, and transistors.
Learn how to wire a 4 pin relay for your electrical projects. Understand the pin configuration and follow step-by-step instructions to connect the relay properly. Ensure the correct wiring for optimal performance and safety.
change electric signals into optical signals and relay the signals through space, thus fully isolating the input and output sections while relaying the signals at high speed. SSRs consist of electronic parts with no mechanical contacts. Therefore, SSRs have a variety of features that mechanical relays do not incorporate.
26 Φεβ 2019 · Solid state relays are extremely useful and powerful components for on/off switching of AC and DC loads while providing electrical isolation between control and load.
change electric signals into optical signals and relay the signals through space, thus fully isolating the input and output sections while relaying the signals at high speed. SSRs consist of electronic parts with no mechanical contacts. Therefore, SSRs have a variety of features that mechanical relays do not incorporate.
The pin diagram of a 4-pin relay typically includes four pins: input pin, output pin, common pin, and control pin. The input pin is connected to the power source that activates the relay, while the output pin is connected to the device that needs to be controlled. The common pin serves as a connection point between the input and output pins.
This user guide describes how to use the solid-state-relay (SSR) reference design board: REF_SSR_AC_DC_2A. It also provides a brief overview of the SSR concept and helpful design tips. Intended audience. This document is intended for engineers evaluating a possibility to use solid-state relays in combination with Infineon devices.
