Formed by the combination of “variable” and “resistor,” the word “varistor” refers to a type of electrical device that has an electrical resistance which changes based on the applied voltage. As a result of this functionality, varistors play a crucial role in protecting electronic circuits from voltage surges and transients, making them useful in a wide variety of electrical systems. For more information on these protective devices, read on as we delve into the common types of varistors and how they work.
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When working with electric circuits, issues of electromagnetic interference (EMI) and radiofrequency current (RFI) pose serious threats to equipment. Whether you are working with alternating current (AC) or direct current (DC), high frequency signals can threaten the functionality of your circuit. As such, a common mode choke can be used to suppress interference from the power supply. For your better understanding of the benefits a common mode choke could offer your industrial, electrical, and other applications, this blog will explore the working principles of this unique electromagnetic component.
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Relays are a common device found in a wide variety of assemblies and systems, coming in the form of electrically operated switches that utilize electromagnets or solid-state technology for their functionality. With a relay, one can control a circuit with a low-power signal or manage several circuits with a single signal. In either application, relays guarantee electrical isolation between controlling and controlled circuits. To help you better understand how relays may be implemented and used correctly, we will provide a brief overview of them below.
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