2982171

Series:	*
Packaging:	Bulk
Part Status:	Active
Mounting Type:	Through Hole
Package / Case:	Module
Supplier Device Package:	4-DIP

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Solid State Relays

Solid state relays (SSR) are devices which switch electrical current without the use of mechanical parts. This makes them reliable and silent in operation. There are many diverse applications that can benefit from the advantages offered by SSRs.The 2982171 series SSR is a sensitive control optically isolated solid state relay. The series is designed for general purpose applications, and is capable of switching both loads which require DC and AC current and at various voltages. Its main applications include HVAC, motor control, and other industrial control systems such as lighting, alarms and security systems, and pumps.The 2982171 series SSR operates via optically isolated input. When the controlling power is applied, the optical coupler within the SSR is turned on, and a current flows through the internal circuitry. This current triggers the semiconductor switches, which in turn switch the SSR on. To turn the SSR off, the controlling power is removed, and the optical coupler cuts off the internal current.The 2982171 SSR series has features such as DC switching voltage ratings up to 600V and current ratings up to 10A. It has a very low on resistance of less than 0.1 ohms, and a remarkably long life of up to 100 million cycles. The series also provides good electrical noise immunity that eliminates the need for external snubber and transient suppression circuits.When choosing a SSR, it is important to ensure that the voltage, current, and power ratings are adequate for the load. It is also important to ensure that the SSR can withstand the temperature and humidity conditions of the environment in which the device is located. The mounting locations should also be checked to ensure that the SSR is adequately insulated.In summary, the 2982171 series SSR is a reliable, cost effective, and versatile solid state relay which is suited to general purpose applications. It features low on resistance, good noise immunity, and an exceptionally long life. Its main applications include HVAC, motor control, and other industrial control systems such as lighting, alarms and security systems, and pumps.

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