![]() The design and types of relay switching circuits is huge, but many small electronic projects use transistors and MOSFETs as their main switching device as the transistor can provide fast DC switching (ON- OFF) control of the relay coil from a variety of input sources so here is a small collection of some of the more common ways of switching relays. The electro- mechanical relay is an output device (actuator) which come in a whole host of shapes, sizes and designs, and have many uses and applications in electronic circuits.īut while electrical relays can be used to allow low power electronic or computer type circuits to switch relatively high currents or voltages both “ON” or “OFF”, some form of relay switch circuit is required to control it. The advantage of relays is that it takes a relatively small amount of power to operate the relay coil, but the relay itself can be used to control motors, heaters, lamps or AC circuits which themselves can draw a lot more electrical power. Relay Switch Circuit and Relay Switching Circuit. IXYS Corporation 3540 Bassett Street Santa Clara, CA 95054 Tel: 40 Fax: 40 IXYS Semiconductor GmbH Edisonstr. ![]() Note that all these links are external and we cannot provide support on the circuits or offer any guarantees to their accuracy.
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