S11ME5

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Optoisolators are devices which employ the principle of light energy transfer and electrical isolation to move data over short distances. They are used in a variety of applications where electrical isolation or galvanic insulation is desirable. Triac, SCR (@silicon controlled rectifier) output optoisolators are used for controlling AC loads.

S11ME5 application field and working principle

The S11ME5 is an optoisolator designed to control a single phase AC load in a variety of applications. The device can handle voltages up to 240VAC, and can operate at frequencies up to 400 Hz. Since the device utilizes a zero-crossing detection and a triac output, it is suitable for a wide range of AC load control applications, such as motor control, dimming systems, lighting systems, and home automation.

The device has an internal circuit which consists of an infrared light-emitting diode (LED) and a zero-crossing detector. The LED emits an invisible beam of infrared light, which is modulated by an external input signal. The zero-crossing detector senses the presence of any zero-crossing points in the input signal, and triggers the triac output. When the triac output is triggered, the corresponding AC load is then switched on or off.

The two most important parameters of the S11ME5 are the Zero Crossing Threshold Voltage and the Zero Crossing Delay Time. The Zero Crossing Threshold Voltage is the voltage at which the triac output is triggered. The Zero Crossing Delay Time is the time required for the triac to switch from its off to its on state. These two parameters are adjustable, and they must be adjusted according to the type of AC load being controlled by the S11ME5.

The S11ME5 is a robust and reliable optoisolator which is suitable for a wide range of AC load control applications. It is robust enough to withstand harsh environments, and is also cost effective. The S11ME5 is ideal for use in industrial applications where electrical isolation is desired, due to its high level of isolation.

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