EL3012S(TA)

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Optoisolators have been used in a wide range of applications, from automotive applications, to HVAC to consumer electronics, due to their ability to electrically isolate a control system from the load, while providing an even better response than a standard relay or transistor. The EL3012S(TA) optoisolator is a TRIAC, SCR output type of device with special features and common advantages shared with other optoisolators.

The EL3012S(TA) optoisolator is a solid state TRIAC output optoisolator designed for AC and DC switching. It uses a 4-pin zero crossing detector to activate the TRIAC when an optically isolated input command signal is received. This optoisolator isolates an input control voltage range of 4-30 VDC from the TRIAC output. Its isolation voltage rating is 2,500Vrms and its output current can reach up to 1A.

A TRIAC is a three terminal device that turns current on and off on both halves of the AC cycle. A zero crossing detector is an electronic device designed to detect zero crossings (when the AC waveforms crosses zero) and trigger the TRIAC. That’s why the EL3012S(TA) optoisolator is often used as an AC phase control tool.

The EL3012S(TA) optoisolator is designed to provide maximum reliability due to its epoxy molding and internal contact reinforcements. It also helps reduce risks of arc flash intrusions through the use of insulation films. One of the advantages of this optoisolator is its high noise immunity of up to 8 kV/μs. The EL3012S(TA) optoisolator also has a low propagation delay time of 2.5 μs, making it ideal for applications where fast switching is important.

The EL3012S(TA) optoisolator is mainly used in the field of power control. It can be used in applications where the load is to be switched on or off based on a control signal. It is used in AC phase control, dimmers, temperature sensors, motor controls, and other applications that require isolation between the control and the load. This optoisolator finds use in motorized appliance accessories, HVAC systems, automotive systems, and other power control applications.

Due to its low cost and ease of implementation, the EL3012S(TA) optoisolator is the ideal choice for many applications. It is also one of the most common optoisolators due to its robust design and multiple features, making it a popular choice for many applications.

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